Question

when is multiple cropping possible

Answer 1

1. In agriculture, multiple cropping is the practice of growing two or more crops in the same piece of land during a single growing season. It is a form of polyculture. 

2.  It does this by balancing three key ecological processes: competition, on the one hand, and commensalism (one plant gaining benefits from the other) or mutualism (both plants benefitting each other) on the other. 

3. Typically, farmers will plant crops as close together as possible to utilise all the available land. 

4. When different crop species or varieties are grown together, the competition may be fierce; ‎trees grown in a maize field, for example, may shade out the crop. 

5. This can be compensated for by determining the optimal spacing and by exploiting various forms of commensalism or mutualism, for example where the tree may be a legume, providing nitrogen for the crop plant beneath. 

Hope this helps ! 
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Answer 2

In agriculture, multiple cropping is the practice of growing two or more crops in the same piece of land during a single growing season. It is a form of polyculture.It does this by balancing three key ecological processes: competition, on the one hand, and commensalism (one plant gaining benefits from the other) or mutualism (both plants benefitting each other) on the other.Typically, farmers will plant crops as close together as possible to utilise all the available land.When different crop species or varieties are grown together, the competition may be fierce; ‎trees grown in a maize field, for example, may shade out the crop.This can be compensated for by determining the optimal spacing and by exploiting various forms of commensalism or mutualism, for example where the tree may be a legume, providing nitrogen for the crop plant beneath