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Rai, Avinash
- Effect of Integrated Nutrient Management on Nutrients Uptake and Productivity of Onion
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1 Department of Soil Science & Agricultural Chemistry, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi-221 005, U.P., IN
2 Department of Agricultural Chemistry & Soil Science, Udai Pratap Autonomous College, Varanasi-22002, U.P., IN
1 Department of Soil Science & Agricultural Chemistry, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi-221 005, U.P., IN
2 Department of Agricultural Chemistry & Soil Science, Udai Pratap Autonomous College, Varanasi-22002, U.P., IN
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Nature Environment and Pollution Technology, Vol 15, No 2 (2016), Pagination: 573-577Abstract
A field experiment was conducted during Rabi season (2009) to find out the effect of integrated application of organic manures (FYM and vermicompost), inorganic fertilizers and biofertilizers (PSB and Azotobacter) on growth, yield and nutrient uptake by onion (Allium cepa L.). There were six treatments comprised of varied levels of FYM, vermicompost, chemical fertilizers, PSB and Azotobacter. The experiment was laid out under randomized block design (RBD) and the treatments were triplicated during the experiment. Significantly higher yield of onion (74.85 q ha-1) was observed in the plots received 50% N through vermicompost +25% N through urea + PSB + Azotobacter (T6) as compared to other treatments. Similar significant effect was observed on nutrient content (N, P, K and S) and nutrient uptake (N, P, K and S). On the basis of results obtained it can be concluded that the integrated use of organic manures (vermicompost and FYM) along with chemical fertilizers and biofertilizers (PSB and Azotobacter) can substitute the nitrogen requirement of plant to the extent of 25% and increased the yield, content and uptake of N, P, K and S by onion significantly over the sole use of chemical fertilizers.Keywords
Integrated Nutrient Management, Vermicompost, Onion (Allium cepa L.), Farmyard Manure, Azotobacter.References
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