निम्नलिखित में से किसने विश्व के कृषि प्रदेशों का पहला व्यापक वर्गीकरण प्रस्तुत किया था?

Which timeframe marks the post-monsoon sowing period for Rabi crops like Wheat and Mustard in India?

In the Indian cropping system, the sowing of Kharif crops coincides with which meteorological event?

Which of the following is the defining feature of mixed farming?