Question

how does field fallow improve soil fertility​

Answer 1

Answer:

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

Answer:

FALLOWING - It is a ground or soil which has been left unplanted for a time duration.

• Fallowing soil is the method of sustainable land management which has been used by the farmers for centuries.
• It can be done in large commercial crop areas or small home gardens.

                 

Explanation: Improve soil fertility-

•   We can increase the nutrients in soil organic matter that can increase    Cation Exchange Complex(CEC).
• CEC will improve the nutrients and also water holding capacity .

• Main nutrients are to be added

1. Nitrogen
2. Phosphorus
3. Potassium

• To better growth of plants we have to improve the fertility of soil.