खरीफ फसलों की खेती के लिए पर्यावरणीय परिस्थितियों के किस समूह की आवश्यकता होती है?

Crops like watermelon, muskmelon, cucumber, and gourds belong to which crop category?

During which period are Zaid crops primarily cultivated in India?

Why do major Rabi crops such as wheat, gram, and mustard typically require irrigation?