I need help with the following questions

Distinguish between staking and propping as a field management practice on crops

2.Explain five advantages of crop rotation

3. State four factors which influence the stage at which the crops are harvested

5. Give two functions of earthing up in crop production

6. Describe the factors which determine the stage of harvesting of crops

7. Give two ways in which inorganic much helps to conserve water

8. State four factors that determine the spacing of annual crops

9. Explain the importance of each of the following practices:(i) Hardening off

(ii) Pricking out

(iii) Gapping

10. Outline two factors that determine the stage of harvesting crops

11. (a) List four factors that determine harvesting sage of a crop

(b) Give four practices that can be used to control storage pests

12. List four benefits of pruning in crop production

13. (a) What is winnowing?

(b) Give one importance of the following practices: (i) Mulching(ii) Threshing

(c) Which factors are considered when carrying out a crop rotation program?

14. What is frelishing?

15. Briefly explain how each of the factors listed below will determine the stage at which a crop is harvested

(a) Intended use of the crop

(b) Market demand

16. What is roguering in crop production?

17. What is meant by the term "changing the cycle" in coffee growing?

18.

(c) At what stage of growth should the above practice be carried out in maize?

19. Mention four factors which determine the stage at which crops are harvested

20. State two limitation of using polythene sheets as mulching materials in a field of tomatoes

21. Give two management practices carried in a banana stool

23. State two functions of polythene sheet when used as mulch material

24. Give four crops requiring training