Groundnut, also known as peanut, is a legume crop that is grown in a variety of soil types, but it prefers well-drained sandy loam soils. The crop needs a warm climate and rainfall of about 500-1250 mm.

India is the world's leading producer of groundnuts, accounting for about 20% of the world's production. The major groundnut-growing states in India are Gujarat, Andhra Pradesh, Tamil Nadu, Karnataka, Maharashtra, Madhya Pradesh, Rajasthan, Uttar Pradesh, Orissa, and Telangana.

The cultivation of groundnut involves several steps, including land preparation, sowing, irrigation, weeding, pest control, and harvesting. The crop is harvested by hand or machine, and the groundnuts are then dried and shelled.

Groundnut is a versatile crop that can be used to make a variety of products, including oil, butter, flour, and snacks. It is also a good source of protein and fiber.

A few of the many diseases and weeds that can affect cotton cultivation in India include aflaroot, rust, early leaf spot, late leaf spot, bud necrosis, peanut mottle, amaranthus, portulaca, celosia argentea, cyperus rotundus, and sorghum halepense. The best way to prevent these problems is to use good agricultural practices, such as crop rotation, weed control, and the use of resistant varieties.