A farmer was advised to apply 200kg of CAN/ha, while top dressing the beans crop. CAN contains 21%N. calculates the amount of CAN applied per hectare
0 Comments
A farmer was advised to apply 150kg of C.A.N to maize field . Calculate the amount of nitrogen applied per hectare if C.A.N contains 21%. NThe recommended rate of top dressing maize is 200kgN per hectare. If CAN contains 25% N, how many 50 kg bags of CAN should a farmer apply to 0.25ha of maize crop to achieve the above rate
A farmer was advised to apply 40kg/ha P2O5 in planting holes, 60kg/ha Nitrogen in top dressing and 60kg/ha K2O in a Maize field. The available fertilizers were Sulphate of ammonia 20% N, DSP 20% P2O5 and muriate of potash 50% K2O.Calculate how much Sulphate of ammonia and muriate of potash would be required in one hectare of land. (Show your working.)A farmer was advised to apply 100 kg/ha of a compound fertilizer 20-15-10. How much potassium Pentoxide will he apply in 0.5ha farm?âAfter soil testing a farmer was asked to apply fertilizers as follows:50 kg/ha Nitrogen as top dressing, 60 kg/ha P2O5 at planting, 60 kg/ha K2O for top dressinga) Calculate how much calcium ammonium nitrate (20%N) would be required per hectare?100 kg CAN. Contain 20 kg N 50 kg N contains x 50 CAN = 250 kg CAN
b) Calculate how much double super phosphate 40% P2O5 would be required per hectare.100kg DSP contain 40kg P2O5 60kg P2O5 contained in x 60 DSP = 150 kg DSP
c) Calculate how much muriate of Potash50% K2O would be required per hectare.100kg of KCl contain 50 kg of K2O
60Kg K2O contained in =120 kg of KCl How much of the fertilizer 20:20:0 would be applied in a plot that requires 30kg P2O5.20kg P2O5 = 100kg fertilizer 30kg P2O5 = ?
30 x 100 20 = 150kg
Give two reasons why it is important to determine soil pH before planting. Give two reasons why it is important to determine soil pH before planting.
Give two methods that can be used to determine the types of nutrients present in the soil.28/8/2023 Give two methods that can be used to determine the types of nutrients present in the soil.Give two methods that can be used to determine the types of nutrients present in the soil.
State four ways of modifying soil pHState four ways of modifying soil pH
Outline two ways in which soil pH influences soil fertility. Outline two ways in which soil pH influences soil fertility.
State two effects of soil pH on the growth of crops.State two effects of soil pH on the growth of crops.
âDifferent soils samples were tested and their PH values tabulated as shown below.
âDifferent soils samples were tested and their PH values tabulated as shown below.
i) Which soil sample had the highest acidity
S1 ii) How would pH value of the soil sample S8 be reduced? Application of sulphur Application of acidic fertilizers e.g. Sulphate of Ammonia ,ASN ,DAP, MAP iii) Which soil sample would be ideal for growing of maize? S4 iv) Give two effects of low soil pH on the activity of soil micro-organisms.
The diagram below shows a soil sampling method. (a) Identify the method illustrated above
Distinguish between soil sampling and soil testing. Distinguish between soil sampling and soil testing.
Outline the procedure to be followed in preparing soil sample collected for laboratory testing.28/8/2023 Outline the procedure to be followed in preparing soil sample collected for laboratory testing. Outline the procedure to be followed in preparing soil sample collected for laboratory testing.
What does soil pH stand for.What does soil pH stand for.
State two methods of testing soil pHState two methods of testing soil pH
State two methods of increasing soil pHState two methods of increasing soil pH
Calculate the number of 50kg Sulphate of Ammonia (SA) fertilizer bags that would be applied in one hectare of land that requires 60kg of Nitrogen per hectare. SA fertilizer contains 20% Nitrogen.i) Calculate the number of 50kg Sulphate of Ammonia (SA) fertilizer bags that would be applied in one hectare of land that requires 60kg of Nitrogen per hectare. SA fertilizer contains 20% Nitrogen. (Show your working) % of N in SA fertilizer = 20% ii) Why did the farmer need to apply Sulphate of Ammonia as a top dress?
Calculate the amount of Phosphorous Pentoxide (P2 05) contained in 300kg of compound fertilizer 25: 10:5
Calculate the amount of Phosphorous Pentoxide (P2 05) contained in 300kg of compound fertilizer 25: 10:5
Give two pieces of information that should accompany the soil sample. Give two pieces of information that should accompany the soil sample.
The diagram below illustrate methods of collecting soil sample from a fieldThe diagram below illustrate methods of collecting soil sample from a field a) Identify the methods illustrated by X and 1-10
Define soil testing.Define soil testing.
|
Archives
August 2023
Categories
All
LATEST POSTS |