Question

how does field fallow improve soil fertility​

Answer 1

Answer:

Independent of nutrients increases in soil organic matter will increase CEC (cation exchange complex) and improve nutrient and water holding capacity of the soil. To leave a field fallow will allow one year in fertility improvement due to natural weathering and no crop removal.

Answer 2

Fallow' periods were traditionally used by farmers to maintain the natural productivity of their land. The benefits of leaving land fallow for extended periods include rebalancing soil nutrients, re-establishing soil biota, breaking crop pest and disease cycles, and providing a haven for wildlife.

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