1998The system of irrigation whereby water is introduced as a sheet over farmland is referred to asSee more
1998If the percentage of nitrogen in ammonium sulphate fertilizer is 20%, calculate the amount of nitrogen in 500 kg of the fertilizer.See more
1998Which of the following groups of farm equipment use electricity as their source of power?See more
1998If cassava is planted at a spacing of 1m x 1m, what will be the plant population on 1 hectare of land?See more
1998The physiological changes that show up during disease attack on crop plants are referred to asSee more
1998The system of growing arable crops at the early stage of forest establishment is referred to asSee more