Root temperature/nutrient uptake UPTAKE (mg/tree) CELCIUS K Ca 6 59 111 12 219 313 18 216 309 24 264 286 30 80 205
POOR SOIL PREPARATION
Desired soil condition
HOW DO WE ARRIVE FROM ANALYSIS TO A CORRECTIVE PROGRAM?
Physical Soil Investigations are very Important
Scenario of patchy poor tree performance. Identified as nutritional problem. Hence precision soil sampling
VARIABLE APPLICATOR TO FIX UNEVEN SOIL CHEMICAL AVAILABILITY AND PH.
Scenario 2 where problem was identified as water logging in patches. See poor areas and below the wet areas and advised drainage
Complicated and very variable soil due to textural problems calls for sophisticated fertigation. Try to change to a system where the soil does not play a role anymore
Variable soil Balanced nutrient solutions Nutrients fed directly to root system INJECTING SYSTEM
Nutrient balance in the root zone is sometimes more important than the amount of applied fertilizer
Change tree performance by switching to hi-tech fertigation
1ha LANGKLOOF 1ha 31
1ha MB1000 LANGKLOOF Fruit Quality Soil Analysis Production, Vigour & Leaf Colour 1ha Leaf Analysis 32
1ha LANGKLOOF 1ha 70 80 90 !!! 30 33
Computerized Foliar program for autumn and new season • 2016 Foliar Nutrition Programme for • Pome Fruit • RJF Estates • • 08/03/2016 34
Summary TOTAL APPROACH IS THE ONLY SOLUTION TO MANAGING VARIABLE ORCHARDS !! THANK YOU FOR YOUR ATTENTION Tienie Du Preez TDPC tienie.dupreez1@outlook.com
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