Preventive and control measures adopted for the storage of grains include

The major groups of activities for improving crop yields can be classified as:

Find out the correct sentence about manure:
$(i)$ Manure contains large quantities of organic matter and small quantities of nutrients.
$(ii)$ It increases the water holding capacity of sandy soil.
$(iii)$ It helps in draining out excess water from clayey soil.
$(iv)$ Its excessive use pollutes the environment because it is made of animal excretory waste.

In agricultural practices,higher input gives higher yield. Discuss how?

How do biotic and abiotic factors affect crop production?

What are the benefits of cattle farming?