A) Hydroponics
B) Hygroponics
C) Sericulture
D) Inter-cropping
Correct Answer: A
Solution :
Hydroponics is a subset of hydroculture and is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial 'plants may be grown with their roots in the mineral nutrient solution only, or in an inert medium, such as perlite or gravel. Hydroponics is a subset of soilless culture.
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