Abstract
Detailed soil survey of some saline-alkali tracts on the right main canal areas of chambal river in Kota/Rajasthan/India was conducted and the experiments were laid on 3 sites having medium to heavy texture and different salinity regimes. The hybrid maize (Ganga-3) seeds were soaked for 24 hours in four concentration solutions (50, 100, 200 and 300 ppm) of Indole-acetic-acid (IAA) and sown in the experimental plots to study the effect on the yields and uptake of nutrients. The results indicated significant improvement in the grain and stalk yield and uptake of nitrogen, phosphorus, potash, calcium plus magnesium while significant decrease in the uptake of sodium with the use of IAA especially under saline conditions. Iron, however, also decreased which warrents attention when using this techanique. The study emphasize the use of appropriate hormonal concentration for achieving beneficial results.
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