Biology 2004 JAMB Past Questions - Question 41: A farm practice that results in the loss of soil fertility is

Correct Answer

D

Explanation

D - This'is the tillage of a piece of soil on yearly basisresulting in the continuous depletion of minerals until the soil is barren.Shifting cultivation is the practise of cultivating several crops on a pieceof land for two to four years and thereafterthe land is abandoned with nointention of returning to the land. Mixed farming is the rearing of live stocksalong crop production. The animal droppings are used to enrich the soil whilethe by-products of crops are used as livestock feed. Bushfallowing or land rotation is a modified form of shifting cultivation in whicha farmer clears and cultivates a piece of land until the soil is depleted. Thenthe farmer allows it to fallow to regain it's fertility. The farmer returns to cultivate it again