Developed agronomic practices for rice under sodic soil
In rice, application of green manure 8.3 t ha-1 + vermicompost 4.2 t ha-1 + biofertlizers (Azospirillum root dipping 1 kg/ha) recorded higher grain yield (4.8 t/ha) on par with recommended dose of inorganic fertilizers under sodic soil conditions.
In rice, SRI planting + rotary weeding + 187.5: 50: 50 kg/ha NPK + FYM (12.5 t/ha) + Azophosmet (Seed treatment 200 g/ha and Soil application 2 kg/ha) + PPFM (Foliar spray @ 1 ppm at PI and Heading) may be recommended for higher yield and returns under sodic soil conditions
Pre-sowing application of glyphosate @0.75 kg ai / ha at 15 days before crop establishment along with post emergence application of bensulfuron – methyl + pretilachlor @0.06 + 0.06 kg a.i /ha at 8-15 DAT recorded significantly higher grain yield in rice.
Pioneer attempt on growing rice through drip irrigation under sodic soil was done through Netafim Irrigation sponsored scheme. Results revealed that growing of TRY (R) 2 rice variety under drip irrigation produced higher growth and yield attributes, grain yield (3122 kg/ha) and water productivity(3.58 kg /ha /mm) followed by ADT 36. Between lateral spacing, 90 cm lateral spacing produced better results over 45 cm laterals.
Application of recommended dose of fertilizers (187.5:50:50 kg NPK ha-1) along with foliar spray of egg amino acid 1.0 % at tillering, panicle initiation and flowering stages recorded higher growth and yield parameters, grain yield and economic returns of rice under sodic soil ecosystem.
Recommended dose of nitrogen could be reduced to the tune of 25% (from 187.5 kg to 140.6 kg/ha) for daincha green manure incorporated rice in sodic soil ecosystem.
Developed agronomic practices for green gram under sodic soil
Seed treatment with cowpea sprout extract (2%) + foliar spray of Panchagavya (1%) was more effective in increasing seedling establishment and seed yield under sodic soil in blackgram and greengram
Green gram variety, Co(Gg) 8 sown at 35 kg ha-1 recorded higher productivity, net returns and BC ratio under rice fallow condition in sodic soil.
Pre emergence application of pendimethalin at 1.0 kg/ha on 3 DAS followed by early post emergence application of Imazethapyr at 50 g/ha on 15 DAS was found to be effective in controlling of Trianthema portulacastrum, higher grain yield and net profit of green gram in irrigated condition. Trianthema weed seed bank studied by sieving method and the results indicated that top layer of soil recorded more number of seeds (55.3 seeds/100 g of soil), followed by 45.3 seeds in 5-10 cm, 25.3 seeds in 10-15 cm and 12.7 seeds in 15-20 cm depths.
Developed agronomic practices for finger millet under sodic soil
Formation of ridges and furrows at 60 cm spacing and application of 150% nitrogen could be recommended for higher productivity of finger millet under sodic soil with saline water condition.
Developed micro- irrigation technologies for various field and vegetable crops under sodic environment
Raingun method of irrigation can be economically used for cluster beans with alkali water. Water use efficiency was higher with bhendi with raingun irrigation followed by bhendi with surface irrigation.
Among summer vegetables grown under drip irrigation, cucumber produced higher yield followed by cluster bean, vegetable cowpea and bhendi.
Developed Integrated Farming System models for wet land, garden land and dryland ecosystem in sodic soil environment.