Drought-tolerant crops:
Pearl millet
Sorghum
Cowpea
Chickpea and pigeonpea
Finger millet
The following are vegetables, trees, vines and herbs you might want to consider as insurance against drought conditions and which will ensure you will still obtain some sort of crop.
Vegetables: amaranth, garlic, onions, purslane, spinach, sweet potatoes, asparagus, black eyed beans (or cow
peas), chickpeas, peanuts, leeks, melons, okra, pumpkins, tomatoes, parsnips, carrots and rhubarb.
Fruits: apricots, date plams, avocado, carob, mulberries, figs, grapes, peaches, pomegranates, olives, goji berries and prickly pear
Several melon varieties are recommended for hot, dry summers: Missouri Gold; Top Mark; Sweet Passion; Kansas; Edisto 47; Crimson Sweet watermelon; and Strawberry watermelon. Those are all heat- and drought-tolerant varieties suggested by Southern Exposure Seed Exchange.
Besides all those melons and beans, he included okra (Gold Coast, Stewart Zeebest, Beck’s Big Buck); eggplant (Listada de Gandia, Black Beauty, Ping Tung Long); peppers (Carolina Wonder, Charleston Belle, Aji Dulce); cucumbers (Little Leaf H-19, Ashley, Suyo Long); squash (Moschata, Tromboncino, Waltham Butternut); and pumpkin (Seminole).
Medium Water Requirement:
Potatoes
Barley
Buckwheat
Wheat
Oats
Rye
Soybeans
Custardapple
pomegranate
guava
Fertilizer Tree:
Faidherbia albida (syn. Acacia albida Delile)
Gliricidia
Sesbania sesban
Tephrosia candida
Gliricidia sepium
Please read these articles:
The potential for organic farming in the drylands of India
ag.arizona.edu/oals/ALN/aln58/sh … l#benefits
Agronomic Measures in Dryland Agriculture: An Overview
indiawaterportal.org/node/6979
Dryland Farming and Watershed Management
angrau.net/StudyMaterial/Agr … GRO102.pdf
Dryland Agriculture
indiaagronet.com/indiaagrone … ulture.htm