5/16 planting - 7/20 silking, 9/15 black layer. Grade: To calculate Grade Point Average (GPA) enter the weight/credits and the grade for each of the courses you wish to include in the calculation. The PPFD calculator, while rooted in science, has significant real-world applications. Keywords: map fertilizer, dap fertilizer, dap map, gdu calculator, pioneer gdu calculatorThe rotational grazing calculator is a vital tool for modern-day farmers seeking sustainability and optimum livestock production. The resulting data is presented graphically as well as textually for use in a GIS. Skip Navigation. Peat Moss Calculator Online. The calculator does indicate what we’ve experienced in being -120 GDU’s behind average and -300 compared to 2021. Input the desired application rate (1. GDD projections, combined with analysis of historical analog data, can help you make decisions about: Climate Risks– Identify the likelihood of early and late frosts/freezes. This map compares the accumulation of base 50°F growing degree days (GDD) from March 15 to the current date, to the climatological (30-year) average. Walnut Tree Value. 50131 - Johnston, Iowa. A greenhouse roof calculator is a specialized tool designed to assist growers in planning and optimizing their greenhouse roofs. Ratings based upon visual symptoms at harvest. Growing Degree Units (GDUs) Growing Degree Days and GDUs refer to the same calculation based on air temperature. This ensures optimal conditions for the growth of fungi or other organisms. Vegetative Corn Growth Stages and Scouting Tips. Flat Threaded Nested. Peat Moss Calculator Online. The prediction is based on the irrigated field conditions. *[abc]+' # ignore paths by regular pattern gdu -X ignore_file / # ignore paths by regular. Skip Navigation. Heavy 16 Calculator. Formula of Chemical Dosing. GDU Information. Still a few fields left to pollinate. Data source: Create growing degree days plots for National Weather Service stations. Find the official App from Ag PhD developer and click on the Install button. Skip Navigation. However, corn is barely starting to dent. Increasing corn rootworm pressure in corn/soy rotations north of. This application will plot an accumulated variable for a time period of your selection. Contact Us; General Questions: 1-800-334-9481; Emergencies: 1-800-888-8372 (24 hours; 7 days) Customer Center: 1-866-SYNGENT(A) (1-866-796-4368) Email Customer Care; Locate Your Syngenta Territory Manager; General GreenTrust 365 Questions; Twitter (Turf) YouTube. Peat Moss Calculator Online. It is calculated as [(minimum temperature ≥ 50°F +. Peat Moss Calculator Online. Pioneer Growing Degree Unit (GDU) Calculator. The Growing Degree Unit (GDU) calculator located on the Pioneer GrowingPoint® website is a valuable tool that can help Pioneer customers estimate their harvest windows. Adapted from data listed in "Characteristic Ratings of Pioneer® brand Corn Hybrids for 2011", Pioneer Hi-Bred, Int'l. Keywords: fertilizer, crop nutrition, ekonomics, Crop Nutrients, growing degree days calculator, gdd calculator, rainfall tracker, gdu calculator, pioneer gdu calculatorAccording to Pioneer GDU calculator it will not reach maturity before average first frost with average Sept GDUs. However, corn is barely starting to dent. Walnut Tree Value. Inputting these into the formula, the GI would be computed, which. So, the weight of the hay bale would be approximately 168 pounds. com Contact your local Pioneer sales representative for seed recommendations and service needs. GDU Calculator from the finalized direction for Pioneer. 4-blacklayer I used 15 gdus/day which may be wishful thinking. Skip Navigation. Improve productivity and maximize yield potential with the right tools and services from Pioneer. Calculator Locations Guides. (2) Move the green slider to set plant date. The calculator does indicate what we’ve experienced in being -120 GDU’s behind average and -300 compared to 2021. The calculator uses this weight and multiplies it by a fixed number, 283, to find out how many liters of water are needed for irrigation. (1) Enter postal code for field location. 6, 61. Plant and ear height. 50131 - Johnston, Iowa. Growing Degree Unit (GDU) Calculator. Learn more about how to find the right seed for your needs. Uniting States. , gallons or liters per acre), providing an easy-to. GDD or GDU = (Daily Maximum Air Temperature + Daily Minimum Temperature)/2 – 50. 04 oz/sq ft. Herbicide Mixing Calculator Online. In this method 86°F refers to the maximum temperature and 50°F the minimum. Message format. -based producer of hybrid seeds for agriculture. Pioneer GDU Calculator. So you can pick the trait that’s best for your farm, knowing it’s packed with genetics proven to perform in this region. October 18, 2023 by Rafay Javed. northeast ohio. 50131 - Johnston, Iowa. This process involves a comparison of daily maximum and minimum temperatures to a base temperature, specific for a particular crop, above which development will occur. Find information specific to the Wyffels. Fox Moss Calculator Online. Calgary, Alberta (T2P1M4) Calgary, Alberta (T2P1M4). 7, 54. »»View your local weather and market updates. BigIron has trailers to suit all your needs, including Dump. Listen Now. Planting date: < April 25 = add 10-25 GDU; > May 15 subtract 50-70 GDU. (3) Move the brown sliders to set daily, weekly, monthly, or annual accumulations. Download yield results by year, crop and product for local plots. Growing degree days (GDD) Normal GDD Departure from normal GDD Departure from:The calculator employs a straightforward formula to compute the total hauling cost: Total Hauling Cost = (Distance / Miles per Gallon) * Fuel Cost + Labor Cost + Equipment Cost. By considering the plant's water use rate and the duration, this calculator provides precise watering instructions, eliminating guesswork and promoting plant vitality. com: We’ve Got you covered. Read reviews, compare customer ratings, see screenshots and learn more about GDU Calculator. By using small grains like winter triticale and winter wheat Kevin is able to achieve high quality cuttings of hay, build nitrogen, and diversify his rotations. (2) Move the green slider to set plant date. Switch between the input fields to automatically calculate the values. A GDU Calculator is a valuable tool that simplifies the process of calculating GDUs, aiding in crop management and decision-making. We’re fiercely independent, which means we get to make independent decisions. We shop and deliver you enjoy. The calculator gives a result of 30 square meters, which is the required shade cloth size. Plugging these values into our formula gives: BALEW = 4 * 2 * 2 * 10. $3,940. High Yields. The formula used by the pesticide calculator is as follows: Amount of Pesticide=Desired Concentration×Water Volume /Pesticide Concentration. EC IL. Use Tool. Farm Basics 994 Growing Degree Days Air Date 4 23 17 Youtube Web Growing Degree Days Calculator Maximize your return on investment with a minimum amount of time. Checked some 109 day May 17th planted corn yesterday and then ran Pioneer GDU calculator. Visit the Corn Yield Estimator. iPad. I’m guessing it’s because we have been staying so warm at night and not getting full accumulation. ft) into the calculator. Illinois Climate Network: Crop Degree-Day Calculator. Corn reproductive growth stages with the estimated days and GDUs by stage, days and GDUs to black layer by stage and percent of total GDUs accumulated by stage for a typical 120-day hybrid in the Corn Belt. com - feature a customized weather service from DTN that delivers better field-level weather data and a new display that allows users to easily track information. Conservation tillage: more than 75% residue, add 30-60 GDU (Swan et al. Each day, record the high and low temperatures. It uses the weight of the produced cheese and the weight of the milk used in the production process. A. If Diplodia ear rot has caused significant damage in the past, growers should consider planting only products with a Diplodia ear rot rating of 4 or higher. The calculator operates on a simple yet effective formula. The pollination period is the most sensitive time. (2) Move the green slider to set plant date. 2. Day 3 - Wednesday August 23 - Pro Farmer Crop Tour - Find observations and insights from Pioneer agronomists and crop scouts on Day 3 of the 2023 Pro Farmer Crop Tour. It factors in vital variables to offer a precise calculation, ensuring growers can optimize their harvests and maintain consistent quality. Contact your seed brand dealer or refer to the Bayer Technology Use Guide for. **All Pioneer products are hybrids unless designated with AM1, AM, AMRW, AMX and AMXT, in which case they are brands. We call this minimum development threshold a base temperature. It helps in evaluating the soil’s suitability for construction or agricultural activities. GDU Calculator is Free Business app, developed by Ag PhD. headerScreenshots. 9 Using the formula, the yield grade comes out to be a certain value, which then helps him assess the profitability of his crop cultivation. The Pioneer one seems to be busted since they updated it recently. Herbicide Mixing. The Germination Rate Calculator will show you that the germination rate for your seeds is 85%. (1) Enter postal code for field location. When the calculator processes this data, it evaluates the differential reflection values from the plants’ surfaces. Users enter the total weight of avocados produced in kilograms. The GDU calculator displays accumulated and daily GDU accumulation. The calculator does indicate what we’ve experienced in being -120 GDU’s behind average and -300 compared to 2021. Map local performance information to maximize harvest results. Detailed Explanation of the Calculator’s Working. An improved weather service feature that now forecasts estimated precipitation and growing degree units up to 15 days in advance is just one of the new digital resources available to growers from Pioneer Hi-Bred, a DuPont business. “The calculator helps growers plan for harvest and also provides information on the expected timing of growth stages, which is important for managing the crop,” says Steve. Gleis GDU accumulation on your farm real compare total GDUs and year-to-year comparisons with the Growing Degree Unit Calculator. Browse Flatbed Trailers, Grain Trailers, Livestock Trailers, Utility Trailers and Other Trailers for more specifc results. This tool also provides scouting tips and identifies when common pests may cause injury to corn plants. Plugging these values into our formula gives: BALEW = 4 * 2 * 2 * 10. Contact your local Pioneer team for more information. They offer one D. Why Wyffels. Our focus is to develop, produce and market the very best corn hybrids in the heart of the Corn Belt. LumiGEN Seed Treatment. The embryo is still developing, but it now contains a developing miniature corn plant. The Germination Rate Calculator is an essential tool for anyone involved in planting and cultivation. See new Tweets. D. VE - Can occur 4 to 5 days after planting under ideal conditions, but up to 2 weeks or longer under cool or dry conditions. Skip Navigation . Kernels per Row. en . However looking at it the corn appears 3 weeks away assuming normal weather. aintfarminfun. It's been a complicated growing season to summarize and evaluate. Grain Price ($/bu) I know my drying cost Calculate my drying cost. It works by allowing the user to input the volume of the sap and its Brix (sugar content) value. A minimum soil temperature of 50º F (10º C) during the 24 hours following planting is recommended. Pioneer GDU Calculator Online. When the maximum air temperature is greater than 86°F, we set the value at 86° in the equation as. GDU Calculator from the finalized direction for Pioneer. Learn how GDD is calculated (. Nutritionally oriented physicians sometimes use about 2000 GDU taken three times daily for several days, followed up 1340 GDU daily. com and Mobile pioneer. Save. The pain and suffering calculator, specifically in Colorado, is a crucial tool used in personal injury cases to estimate the compensation a victim may receive for their pain and suffering resulting from an accident or injury. The Mushroom Harvest Cycle Calculator is an innovative tool that aids cultivators in predicting the harvest time for various mushroom species. The calculator does indicate what we’ve experienced in being -120 GDU’s behind average and -300 compared to 2021. Hz. Definition of Johnny’s Seed Calculator. A 110-day hybrid typically needs around 1500 GDU's to reach silking and 2670 GDU's to reach black layer or physiological maturity. The bar at the bottom of the screen tells you the total disk usage, and the file count. com and Mobile pioneer. Length of Weld: Refers to the length of the weld seam to be completed. The relationship of GDU accumulation and corn development, along with utilizing the estimated number of days to reach a certain growth stage, can help predict when important growth stages will occur. My Account. Suppose you have a desired application rate of 20 units per acre and a chemical concentration of 10%. They’re ready to help you select products with superior yield potential and provide year-round service and expertise. Results show total GDUs and Year-To-Year Comparisons. Learn More. Canada. The core formula used by the Calculator is: Effective Depth = Diving Depth × sin (Line Angle). This tool is not a calculator for Pioneer GDU (Growth Degree Day) calculator, which is a tool for estimating corn yield based on weather data. S. Designations indicate product is also suitable for the following market: HAE – High Available Energy (Pork & Poultry Feed); HTF – High Total Fermentables (Dry-Grind Ethanol); HES – High Extractable Starch (Wet Milling); WX – Waxy; WH – White food corn; YFC – Yellow food corn; AQ – Optimum® AQUAmax® product; BMR – Brown MidRib. Use Tool Corn Yield Estimator Use this tool to estimate preharvest corn yield. Calculating growing degree units for corn uses a minimum daily temperature of 50°F and a maximum daily temperature of 86°F with a. Read more. However, corn is barely starting to dent. Herbicide. (i. As from Sept. Modern CDJs gives you the ability to DJ with either the digital screen or the. Table 3: Cropping rotation Kevin is considering for the future. This yield calculator will give you an opportunity to see all of your hard work and meticulous planning materialized into yield. Fox Moss Calculator Online. Local Yield Results. Visit the Corn Yield Estimator. Heavy 16 Calculator Online. It signifies the speed at which water penetrates the soil. Local Yield Results. It calculates the rate at which a dosing pump should dispense a liquid chemical based on two key parameters: Capacity per Stroke and Time per Stroke. Does the calculator have any factors that consider the lower availability of sunlight. GDU Calculator is a reference for corn and wheat makers to choose the measure of Growing Degree Units for their items to flow trim seasonGrowing degree days (GDD), also called growing degree units (GDUs), are a heuristic tool in phenology. ‘Bed Area’ refers to the surface area of the ground where the substrate is spread, usually measured in square meters. /gdu. Peat Moss Calculator Online. Access pioneer. Original Planting Population e. Track GDU store on your farm furthermore compare total GDUs and year-to-year comparisons with the Growings Degree Unit Calculator. ) (a. 25% passing #40 sieve but retained on the #200 sieve. Johnston, Iowa (50131) Johnston, Iowa (50131). 50131 - Johnston, Iowa. This calculator takes into account temperature data, making it an indispensable. Not knowing your planting date, I used May 15th. For some crops, like corn and soybean, one can actually use GDDs to determine where a crop is in its development cycle. However, corn is barely starting to dent. Decided to do the same for some 95d corn planted 6/5 just to see. Designations indicate product is also suitable for the following market: HAE – High Available Energy (Pork & Poultry Feed); HTF – High Total Fermentables (Dry-Grind Ethanol); HES – High Extractable Starch (Wet Milling); WX – Waxy; WH – White food corn; YFC – Yellow food corn; AQ – Optimum® AQUAmax® product; BMR – Brown MidRib. 50131 - Johnston, Iowa. com, choosing “Weather” from the main menu, then clicking the “Weather Tools” link. The kernels are drying down from the top, where a small hard layer of starch is forming. Online calculators are a convenient and versatile tool for performing complex mathematical calculations without the need for physical calculators or specialized software. Ears per Acre. With the nitrogen savings he sees from. However, corn is barely starting to dent. Use these interactive guides to see how a corn plant develops during the vegetative (VE – VT) and reproductive (R1 – R6) growth stages. Growing Degree Unit (GDU) Calculator. Pioneer is U. It is not far behind some 94 day corn that needs 2350 to black layer according to the book. Consider a soil sample with: 15% passing #200 sieve. Combined States. Herbicide Mixing Calculator. - Jim Lafrenz. Illinois Climate Network: Crop Degree-Day Calculator: Results. Germination and emergence are optimal when soil temperatures are approximately 85 to 90 F. Best Genetics. Some give more detail than others, but they are all useful. (3) Move the brown sliders to set daily, weekly, monthly, or annual accumulations. ConversationThe Heavy 16 Nutrient Calculator is an essential tool for both amateur and professional growers alike. Just doing some gdu calculations on some of my corn that was planted on May 16 using the pioneer gdu calculator. Soybeans typically require between 90 and 130 GDUs to emerge, depending upon soil type. Learn more about their high resolution weather data to track. This calculator plays a significant role in modern agriculture, helping farmers and gardeners obtain accurate nutrient quantities for their. Type Location. Warmer, moist conditions for the first 24-48 hours after planting can mitigate. If you don’t know, GDD is an approximation of how much heat your plants receive in the growing season. Pioneer GDU Calculator Online. Herbicide Mixing Calculator Online. The Flower Stem Calculator emerges as an indispensable tool for anyone involved in floral arrangements, whether for personal or professional applications. I find it amazing that harvested is behind both last year and five year averages. Pioneer Mini Split is a trailblazer in the field of environmental control for consumers’ households. Growing Season Maps. GDU Calculator; Corn Replant Calculator; Yield Calculator; Grain Drying Calculator; Why Wyffels. Example of Mushroom Moisture Content Calculator. Download for Apple Devices Download for Android DevicesIndependence is big part of the Peterson Farms Seed difference. Herbicide Mixing Calculator Online. A Plant Water Calculator is a specialized tool that calculates the exact amount of water a specific plant requires over a given time interval. com has on offer for the 2019 growing season. Corn planting date and population. 7:59-62", often used to interpret between early April and early June for the north and central Corn Belt. Skip Navigation. Track GDU accumulating on your farm and compare total GDUs and year-to-year comparisons with the Growing Degree Unit Calculator. Pioneer Growing Degree Unit (GDU) Calculator by 🔊 Randall Parrish 🔊🔊 Randall Parrish 🔊Posted 9/3/2023 15:51 (#10386682 - in reply to #10386648) Subject: RE: GDU Calculator Factors: Pesotum IL: Checked mine today. Vegetative Corn Growth Stages and Scouting Tips. Just doing some gdu calculations on some of my corn that was planted on May 16 using the pioneer gdu calculator. , 1977; Imholte & Carter, 1987) Soil texture: fine = add 30-60 GDU; coarse = subtract 30-60 GDU. Thats the Hook FIO the growing degree days - Tara Farms: 8/4/2013 11:05. Those early day corns are a flint type usually, and that means the cob size does not flex and add more rows and kernels in a good year. Reproductive Corn Growth Stages. Where: Y is the Saturated Unit Weight of Soil, measured in g/cm^3. He uses the calculator and inputs: – Total Return: $5000 – Initial Investment: $1000 – Duration: 4 months – External Factor (weather conditions): 0. RE: GDU’s accumulation?Choose an Agronomic program tailored to your turf type, region and rotation schedule. SIR: This stands for Soil Infiltration Rate, measured in inches per minute (in/min). 025 pounds. By inputting various factors such as desired concentration and area size, users can acquire an accurate herbicide quantity, ensuring efficient use without waste. Herbicide Mixing Calculator Online. It gives pretty good historical info, and probability based on a 30-year history. I used to try to do it all by hand, watching the weather and doing the calculations myself. It saves time, eliminates potential errors in calculation, and helps you optimize your planting strategy based on the viability of your. The Pioneer® Made To Grow™ Podcast. The calculator does indicate what we’ve experienced in being -120 GDU’s behind average and -300 compared to 2021. P1089amxt. It can be expressed with the following formula:. The GDU Calculator app from Ag PhD assists wheat and corn growers with calculating their crop’s growing degree units. It's a combination of a map and calculator, allowing you to visualize the designated area for mulching and estimate the mulch volume needed, based on area size and mulch depth. Long road to 2200. Better information forExample of Emitter Spacing Calculator. pioneer. MemuPlay is simple and easy to use application. "Vorceed Enlist brings the most options of any corn rootworm product in Pioneer’s portfolio. Illinois State Water Survey. The calculator works by using specific inputs to calculate the optimal sprayer output. Pioneer Product Agronomist Adam Owens looks at the tools and resources Pioneer. Johnny’s Seed Calculator, a tool under the gardening and farming calculator category, leverages a simple formula to estimate the required quantity of seeds for planting. Pioneer GDU Calculator Online. Just doing some calculations, from last Wednesday to today according to pioneer gdu calculator we only gained 86 gdus and have slipped another 22 behind normal for this time of year. Map local performance information to maximize harvest results. Again, the 3 and 4 groups were about the same. How quickly the crop will develop will depend largely on the accumulation of heat units, commonly referred to as growing degree days (GDD) or growing degree units (GDU). ) (), a finding supported by evidence from both the temperate highlands of the Colorado Plateau and the lowland deserts of southern Arizona (8–12); a recent study suggests an inland, rather than coastal, Mexican route (). 50131 - Johnston, Iowa. 4°C or above 30°C. Herbicide Mixing Calculator Online. Global Dynamics United (GDU) is a camera Accessories Company based in Los Angeles. Growth stages can be used to help growers make timely applications of herbicides and fungicides. It then divides this total volume by the utilization percentage to account for the actual storage capacity of the shed. An insecticide with a longer window of residual control could provide flexibility when treating for CRW adults to suppress populations in corn-on-corn fields. The Potato Yield (PY) calculator uses the formula: PY = WP / A. With you from the word go. Pioneer customers can access the GDU calculator by logging on to the GrowingPoint website Leaving Pioneer. 50131 - Johnston, Iowa. D. The calculator operates on a straightforward formula, requiring two essential inputs: the volume of sap in gallons and its sugar content percentage. Online calculators are a convenient and versatile tool for performing complex mathematical calculations without the need for physical calculators or specialized software. An improved weather service feature that now forecasts estimated precipitation and growing degree units up to 15 days in advance is just one of the new digital resources available to growers from Pioneer Hi-Bred, a DuPont business. A tiny tassel forms at the tip of the growing point. Crop Conditions Across Southeastern Iowa. Also select from 11 base. Address: University of Florida 1741 Museum Road, Gainesville, FL 32611 Phone: (352) 294-6742 Email: cfraisse@ufl. Welding Speed: The speed at which you can move the welding torch or. a Pioneer sales professional for the latest and most complete listing of traits and scores for each Pioneer brand product and for product placement and management suggestions specific to your operation and local conditions. The weather-based GDD calculation is used to measure heat accumulation (above a specific threshold) and help predict a variety of things including. A similiar application exists based on the COOP network data, which is of higher quality for temperature and precipitation. The formula (π * D) + (2 * P * N) * R forms the backbone of the calculator. Calculations based on the widely used information in "Nafziger, E. University of KentuckyGDU: One gelatin digestion unit per gram of bromelain is that amount of enzyme which liberates 1mg of amino nitrogen from a gelatin substrate in 20 minutes under the conditions of the assay (pH 4. They’re strategic advisers with unmatched field experience who help you capitalize on new yield opportunities and make decisions that boost profitability. Illinois Climate Network: Crop Degree-Day Calculator: Results. Improve productivity and maximize yield potential with the right tools and services from Pioneer. The Corn Stalk Grazing Calculator belongs to the category of agricultural calculators designed to predict the number of grazing days available from a given area of corn residue. Seeding Rate (lbs/acre) = [ (1,000,000 / (1 - 0. Wait, the planting dates show a difference of almost 160 GDU’s but you’re telling us they will all black layer within a couple days. Next, select a station nearest your point of interest, and input a planting date. Expected yield and cost per unit. The following information is on corn. (2) Move the green slider to set plant date. The raw daily data used for this application can be downloaded from here . Reply HELP for help or STOP to cancel at any time. 1174 Silage Inoculant. Looks like an Oct. GDU -c C:. Despite evidence of experimentation with. Use Tool Mobile Apps Pioneer Seeds App Get data-driven agronomic decisions, yield estimates & maximize product performance. Input these values into the calculator: Greenhouse Area as 100 and Shade Percentage as 0. Peat Moss Calculator Online. The Salt Index Calculator is an innovative and practical tool engineered to facilitate the accurate measurement of the Salt Index. The goal is to ensure maximum light penetration and optimal conditions. For instance, if a freshly harvested mushroom weighs 50 grams (Initial Weight) and after drying, it weighs 25 grams (Dry Weight), the moisture content can be calculated as: Moisture Content (%) = ( (50 - 25) / 50) x 100 = 50%. As a farmer, you enter the yield of the corn crop in bushels per acre and the nutrient content in pounds per bushel. By providing precise measurements, it ensures the optimal growth and development of plants. Pioneer Seeds United States. It eradicates guesswork, guaranteeing that the area receives an optimal quantity for effective results. We use a combination of recorded weather data, a 7-day future forecast, and 30-year historical weather information to highlight the season-to-date as well as a forecast of how the rest of the season will progress. Looks like an Oct. The calculator operates on a straightforward formula, requiring two essential inputs: the volume of sap in gallons and its sugar content percentage. Results show total GDUs and Year-To-Year Comparisons. As from Sept. Skip Navigation. Learn more. 5 °F. Peat Moss Calculator Online. The Ag PhD GDU Calculator is a reference for corn and wheat growers to determine the amount of Growing Degree Units for their crops in the current crop season. 11H50 Alfalfa Silage Inoculant. rocky grounder - 6/17/2019 17:15 I don't put alot of faith in the gdu calculators to be honest. With this application, you can total a parameter of your choice over a duration of your choice. com has on offer for the 2019 growing season. The direction was intended to make agriculture feel a bit more like a modern technology company, focusing on content and data with purposeful emphasis to showcase the brand. View Previous Models. ) (), a finding supported by evidence from both the temperate highlands of the Colorado Plateau and the lowland deserts of southern Arizona (8–12); a recent study suggests an inland, rather than coastal, Mexican route (). If Diplodia ear rot has caused significant damage in the past, growers should consider planting only products with a Diplodia ear rot rating of 4 or higher. The PrecipEstimator and Growing Degree Unit (GDU) Calculator. How much rainfall do you get each summer, and what. Skip Navigation. The calculator operates based on the sugar content of the sap and the total volume collected. Walnut Tree Value.