Designing a Fertility Program From a Soil Test Report
Contents
1. SMART Growing Intelligently Designing a Fertility Program From a Soil Test Report In this tutorial we will focus on crops whose nutritional requirements are expressed in units of amount area For example kg ha or Ib acre 1 Selecting the calculation method From the main menu of the program select Mix Fertilizers gt Amount Area gt Method 1 The calculation screen opens 2 Entering nutrient requirements uptake In order to calculate fertilizer rates first we must know the nutrient requirements uptake of the crop There are two options a Entering nutrient requirements uptake manually In the Target Values row enter the nutrient requirements uptake Please refer to page 46 in the user manual of SMART PRO Step 1 Entering Target Values for Nutrient Application Rates b Using nutrient requirements uptake of crops from database e From the menu bar of Method 1 select Target Values gt Open e Select the crop variety soil media type yield goal and the growth stage e Click Open The nutrient requirements of the crop will appear in the Target Values row 3 Adjusting the nutrient requirements using a soil test e Click the Adjust by Soil Tissue Analysis button e Select Soil Analysis gt OK The Soil Test Interpretation window opens e The nutrient requirements uptake as entered in the previous screen will appear in the Crop Consumption row e From the Interpretation drop down menu select the se2. ow closes and the new nutrient recommendations appear in the Target Values row of the calculation screen If you wish to make any changes in the recommended target values you can do them now Soy seo 60 76 a oo aa ro samj zont T T 4 Calculating Fertilizer Dose e Select the fertilizer sources you have available e Click the Calculate button Smart selects the best combination of fertilizers to reach the target values and their required doses E Urea Ibiacre E Mono Ammonium Phosphate MAP12 61 0 130 28 Ib acre Calcium Nitrate Ib acre Wie enii E Solubor Ibiacre Report F FE EDTA 13 34 31 Ib acre E Mn EDTA 13 13 72 Ib acre Costlacre application Fill Tanks Saving your fertilizer program To save the fertilizer program click the Fill Tanks button and select Save or Save as from the menu bar If the fertilizer application is by fertigation you can proceed with the recipe design Please refer to the user manual Summary of steps Select Mix Fertilizers gt Amount Area gt Method 1 Enter open target values Click the Adjust by Soil Tissue Analysis button gt Soil Analysis gt OK Select the set of interpretation methods from the Interpretation drop down menu oe SS a Make sure that the extraction methods that are indicated coincide with the extraction methods used by your laboratory Enter soil test results in the Result
3. s row Click the Open as Target Values button Select fertilizers Click the Calculate button 0 Check results and save program ee a ee
4. t of extraction analytical methods that corresponds with the extraction methods used by the laboratory that issued the soil test report e In the Extraction Methods row select for each element the method used by the laboratory to determine this element e In the Results row select the units and enter the soil test results from your soil analysis report or select Soil Test Results from the menu bar to open previously saved results seit Test Results Consumption Current Application Clear Interpretation Default X Nutrient Application Rules Application Rules Defa ult Extraction Method j Hot Water DTPA DTPA DTPA DTPA interpretation ae E N T Results Entraction Mothes ee a a Crop Consumption kama 100 00 19 35 86 60 49 00 1570 1200 1000 5 000 2 000 1300 2 Current plication Kata ooo ooo 0 00 0 00 0 00 0 00 0 000 0 000 0 000 0 000 0 000 Target Values Kot ooo seo 60 76 49 00 0 00 sao 4 10 5 00 zoo ooo 0 00 b 4 Open as Target Values e Smart Interprets the results and calculates a nutrient recommendation This recommendation appears in the Target Values row in the interpretation window Note that Smart Calculates a recommendation only for nutrients that have Crop Consumption data e Saving the results optional from the menu bar of the interpretation window select Soil Test Results gt Save e Click the Open as Target Values button The interpretation wind
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