1. Why is it good to wash food grains before use?
2. Name the three natural methods of adding nutrients to the soil.
3. Why is it not as advisable to sow rice in winter season in our country?
4. What do you mean by nitrogen fixation?
5. What is the crop rotation considered a good agricultural practice?
Give me short answer
Answers
Answer:
1-It is always good to wash food grains before using so that the dust gets washed away and if there are any insects then they will float on top and we can remove it.
2-Field fallow, crop rotation and mixed cropping are three natural methods of replenishing the nutrients of the soil.
3-It is not advisable because rice is a kharif crop and requires a lot of moisture. Therefore, it would be inadvisable to grow in the rabi (winter) season. This is so because rice is a kharif crops and it requires more water for growth.
4-the chemical processes by which atmospheric nitrogen is assimilated into organic compounds, especially by certain microorganisms as part of the nitrogen cycle.
5-Crop rotation is considered a good agricultural practice because it helps the soil to regain it's fertility as new crops needs different nutrients than others , so it becomes easier to grow .
I hope it helps you