A. are resistant to diseases B. are early-maturing C. feed from different soil layers D. attract different kinds of pests…
A. 0 kg of nitrogen, 10 kg of potash and 0 kg of phosphate B. 0 kg of phosphate, 10…
A. parched B. graded C. winnowed D. threshed Correct Answer: Option B B. graded
A. population increase B. reduction in soil fertility C. cost consideration D. rural-urban migration Correct Answer: Option B B. reduction…
A. soil fertility B. size of farmland C. yield of crops D. types of implement to use Correct Answer: Option…
A. Gunter's chain B. measuring tape C. ranging pole D. pick axe Correct Answer: Option D D. pick axe
A. ammonium nitrate B. lime C. urea D. single superphosphate Correct Answer: Option B B. lime
A. increasing the number of soil organisms B. inducing re-growth of pasture grasses C. increasing the amount of nutrients in…
A. burning of fuel such as coal and wood B. respiration by plants and animals C. photosynthesis in plants D.…
A. dolomite B. limestone C. quicklime D. urea Correct Answer: Option A A. dolomite