Preventive and control measures adopted for the storage of grains includeStrict cleaningProper disjoiningFumigationAll of the above

The question relates to preventive and control measures for the storage of grains, which are crucial to maintaining quality and preventing spoilage or infestations.

Among the provided options:

1. Strict cleaning: Regular cleaning of storage facilities helps remove any remnants of previous crops, pests, and contaminants that might affect the grains.

2. Proper disjoining: This refers to maintaining appropriate spacing and segregation among stored grains to ensure good airflow and reduce the risk of moisture accumulation.

3. Fumigation: This is a process where chemicals are used to eradicate pests and preventing infestations, ensuring the grains remain safe for consumption and storage.

4. All of the above: Since all the mentioned methods are vital and complement each other in effective grain storage management.

Final Answer

Therefore, the correct answer is All of the above. Adopting a combination of these measures is essential for the effective storage of grains.