Which of the following crops cannot be easily improved by cross-breeding?
Which of the following crops cannot be easily improved by cross-breeding? A. groundnut B. cowpea C. oil palm…
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The causal organism of damping-oil disease of okra is a
The causal organism of damping-oil disease of okra is a A. bacterium B. virus C. nematode D. aphid…
Which of the following crops does not require nursery?
Which of the following crops does not require nursery? A. rice B. tobacco C. tomato D. oil palm…
Which of the following is not a reason for the government to encourage the planting…
Which of the following is not a reason for the government to encourage the planting of trees A.…
Which of the following factors does not affect the distribution of pasture grasses?
Which of the following factors does not affect the distribution of pasture grasses? A. type of species B.…
If the ginning percentage of the samaru variety of cotton is 35, what will be…
If the ginning percentage of the samaru variety of cotton is 35, what will be the amount of…
Most crop plants do not survive in water-logged soils because
Most crop plants do not survive in water-logged soils because A. the dissolved nutrients are too diluted for…
Plant micro-nutrients include the following except
Plant micro-nutrients include the following except A. sulphur B. copper C. iron D. zinc E. chlorine Correct Answer:…
Which of the following factors does not bring about soil formation?
Which of the following factors does not bring about soil formation? A. climate B. time C. parent material…
Fertilizers that usually contain one nutrient which can be used directly by plants are commonly…
Fertilizers that usually contain one nutrient which can be used directly by plants are commonly called A. organic…