Answers

2015-07-23T22:25:49+05:30
Growing different types of crops on a same piece of land , so that the other plant can take nitrogen and help each other to grow further.

Example ⇒ Potatoe and Tomatoe.
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2015-07-24T17:14:48+05:30
Growning on the basis of climates
we grow different crops in different climates and repeat it same the every year suitablly by depending on the climate
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