There are two types of crops - kharif crops which are sown during the rainy season like rice, corn, and soybeans, and rabi crops which are grown during winter like wheat, peas, and mustard. The basic practices of crop production include preparing soil, sowing seeds, adding manure and fertilizers, irrigating, removing weeds, harvesting, and storing crops. Seeds are sown by hand or using a seed drill for even spacing in rows. Manure provides organic matter to soil while fertilizers are manufactured chemicals that do not provide humus. Water is supplied through irrigation using sources like rivers, wells, and pumps. Weeds are removed through pulling, troweling, or