Excessive drainage of soil water can be checked by the addition of adequate quantities of

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The following equipment can be used for irrigation except

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A farmer applied NPK 15:11:8 at planting. What is the percentage of potassium in the fertilizer?

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Which of the following statements about bush burning is false?

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sources of nitrogen to the soil include the following except

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Which of the following crops should be planted on a piece of land that has been repeatedly cropped with maize?

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Which of the following statement is not true about waterlogged soils?

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The three most important physical factors that influence rock weathering are

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A reddish coloured soil indicates the presence of

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The following are types of sedimentary rocks except

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Which of the following biotic factors are usually used to control cassava mealbugs?

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The most important use of land for agriculture production is

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