Please in an experiment using foliar Zinc fertilizer and rice I obtained soil from a depth of 20cm and placed 5kg of the soil in pots of 29cm in height, diameter 32.5 cm, radius 16.25 cm and labeled them.
Details of the Foliar Zinc Fertilizer
Application rate 1L = 1 mu
Zinc content of the fertilizer (liquid) = 170g/L
Density of the fertilizer = 1.4
So after converting 170g/L, the zinc content of the fertilizer is 121g/kg
Please how should I be calculating the fertilizer?
Below is my initial calculation
Fertilizer application rate 1L = 1 mu
but
1mu = 667 square meters
So
1L = 667 square meters
Diameter of pot 32.5 cm
Radius 16.25 cm
Area = 3.14 × 16.25 × 16.25 = 829 c m2.
＝0.0829㎡
Basin area 0.0829 / 667 square meters × 1000 milliliters = 0.12ml
= 0.12ml per pot.
According to my calculation, I am to spray 0.12ml per pot. Please kindly correct and advise.
I suggest that the application rate be based on the surface area and that you describe the technique, i.e., the compound, its concentration, any additives, whether sprayed to runoff, and if so how you prevented the runoff from reaching the soil..
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