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CBSE Class 9 Answered

A farmer and a housewife may have never studied biology,yet both of them know some of its general p
Asked by mohdazfar | 24 Apr, 2008, 10:36: PM
answered-by-expert Expert Answer

they know lot many principlesof biology though inraw language as

photoperiodism so they know which plant is best to grow in which season

nutrient requirements in plants

hybridisation mutation n plant breeding

mixed cropping n crop rotation

 

Answered by | 08 May, 2008, 05:34: PM

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