Inga alley cropping:

  1. helps in nitrogen fixation of soil
  2. protects soil degradation
  3. is native to Central and South America

Which of the above statement is/are correct?

Answer: [D] 1, 2 and 3

Inga alley cropping is done by growing Inga trees between crops. Inga trees are native to Central and South America. It grows well on the acid soils of the tropical rainforest and former rainforest. They are leguminous and fix nitrogen into a form usable by plants.

This question is a part of GKToday's Integrated IAS General Studies Module