Agriculture · Agroforestry
In an agroforestry system, the process of 'Nutrient Pumping' primarily involves which of the following mechanisms?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The artificial injection of liquid fertilizers into the subsoil through deep tree roots
- 2The transfer of groundwater to surface crops during peak summer months via capillary action
- 3The rapid decomposition of crop residues to form topsoil humus
- 4The absorption of nutrients from deep soil layers by deep-rooted trees and their deposition on topsoil via litterfall for shallow-rooted crops✓
Correct answer
The absorption of nutrients from deep soil layers by deep-rooted trees and their deposition on topsoil via litterfall for shallow-rooted crops
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