A spade is mainly used for

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Which of the following sources of farm power generates highest amount of energy?

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A good drought bull should not have

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Irrigation water is passed underneath the soil through

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Which of the following farming practices encourages soil degradation?

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A fertilizer bag had the following inscription 27:10:10. This means that it contained

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The plant nutrient essential for the formation of tubers is

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Although clayey soils are rich in nutrients, they are not good for most agricultural crop production because they

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Soil erosion caused by water can be controlled by

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The two main elements of climate which affect soil formation are

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Which of the following processes does not lead to the physical disintegration of rocks?

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The largest kola-nut producing vegetation zone in West Africa is the

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