A) complete fertilizers
B) incomplete fertilizers
C) manure
D) compost
Correct Answer: A
Solution :
Fertilizers providing N, P, K and all essential elements to plants are called complete fertilizers. The fertilizer which contain two or more nutrients in one compound is known as complex or compound fertilizers. Whereas the fertilizers which do not provide all the essential elements to plants are called incomplete fertilizer. Compost are organic residues or a mixture of organic residues and soil that have been piled moistened and allowed to undergo biological decomposition. Manures are semidecayed organic wastes which are added to the soil in order to increase its fertility, aeration and water holding capacity. They supply almost all the nutrient elements required by crops. Compost is a type of manure.
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