The ICRISAT Center is located at 18°N, 78°E and 540 m elevation, Patancheru, Andhra Pradesh, India. It receives a mean
annual rainfall of 765 mm, 80% of which occurs during June-October. The experimental site was a fairly fiat area typical of the region (1-2% slope) with 0.40 to 0.45 m profile depth and a hard disintegrating 'murrum' below.