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Dhyani, B. P.
- Assessment of Spentwash Derived Biocompost for Chemical Fertilizers Substitution by Monitoring Soil Fertility and Crop Productivity of Potato (Solanum tuberosum L.) in Sandy Loam Soil
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Affiliations
1 Department of Soil Science, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut-250 110, IN
2 Department of Agronomy, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut-250 110, IN
1 Department of Soil Science, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut-250 110, IN
2 Department of Agronomy, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut-250 110, IN
Source
Nature Environment and Pollution Technology, Vol 15, No 2 (2016), Pagination: 465-470Abstract
A thrice replicated field experiment was conducted to study the effect of biocompost and inorganic fertilizers on yield and quality of potato. The experimental results revealed that, highest tuber yield was recorded in 100% NPK followed by 87.5% NPK with the least in control. Application effect of biocompost @ 12 t ha-1 was found to be similar to 50% NPK in respect of potato yield, while the application of inorganic fertilizers above 50% NPK showed superiority in terms of yield over all the doses of biocompost. Among the various treatments of inorganic fertilizers and biocompost, treatment where 100% RDF of NPK was applied proved to be superior to other treatments in terms of growth parameters, tuber yield and macronutrients content. However, micronutrient content in tuber was found higher in the treatments of biocompost application. By comparing the tuber yields obtained in the different treatments at harvesting, it was found that 50% inorganic NPK can be saved with the application of biocompost @ 12 t ha-1. Micronutrients content in soil was buffered to its initial value with the application of different doses of biocompost while declined in case of inorganic fertilization.Keywords
Biocompost, Spentwash, Chemical Fertilizers Substitution, Soil Fertility.Full Text
References
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- Kushwah, V.S., Singh, S.P. and Lal, S.S. 2006. Effect of manures and fertilizers on potato (Solanum tuberosum L.) productions. Potato J., 32(3/4): 157-158.
- Mutharaju, A., Ravi, M.V. and Siddaramappa, R. 2005. Effect of application of enriched pressmud on the changes in physicochemical properties of an alfisol. Mysore J. Agric. Sci., 39(2): 207-213.
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- Effect of Nitrogen Scheduling on Nitrogen Use Efficiency and Performance of Wheat (Triticum aestivum L.) in Light Textured Soil
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Authors
Affiliations
1 Department of Soil Science, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut (U.P.), IN
1 Department of Soil Science, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut (U.P.), IN
Source
An Asian Journal of Soil Science, Vol 11, No 1 (2016), Pagination: 78-81Abstract
A field experiment was conducted on wheat (Triticum aestivum L.) during Rabi season of 2005-06 at Crop Research Center of Sardar Vallabhbhai Patel University of Agriculture and Technology, Modipuram, Meerut. The experiment was aimed to evaluate the effect of different nitrogen scheduling and LCC based nitrogen scheduling in wheat. The experiment comprised of ten treatments was laid out in Randomized Block Design, with three replications. The major treatments were, control (where no nitrogen was applied ), 50 % N in basal+25 % N at CRI + 25 % at tillering stage, 25 % N in basal + 25 % N at CRI + 25 % N at tillering + 25 % N at jointing stage, 37.5 % N in basal + 25 % at CRI + 37.5 % N at tillering stage, 50 % N at CRI + 50 % N at tillering stage, 50 % N at CRI + 25 % N at tillering + 25 % N at jointing stage, 50 N in basal + 25% N at tillering + 25% N at jointing stage, 25% N in basal + 37.5% N at CRI + 37.5 % N at tillering, 25% N in basal + 50% N at CRI + 25% N at tillering stage, and nitrogen applied on LCC (Leaf colour chart) based. In different nitrogen scheduling treatments, LCC based nitrogen scheduling treatment was found most efficient than recommended and other nitrogen scheduling treatments in terms of increased wheat yield and nitrogen use efficiency. Application of 25% N in basal + 50% N at CRI + 25% N at tillering stage was also found superior than other treatments, increased these parameters, but it was inferior to the LCC based nitrogen scheduling treatment. AEN and REN also improved due to LCC based nitrogen application. LCC based nitrogen scheduling practice also reduces the over application of nitrogen which can be susceptible to different losses including leaching, ammonium volatilization and runoff.Keywords
Nitrogen Use Efficiency, LCC, Nitrogen Scheduling.
References
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- Craswell, E.T. and Vlek, P.L.G. (1982). Nitrogen management for submerged rice soils. In proceeding papers ii. Vertisols and rice soils of trophics. Transaction 12th cong. Int. Soil. Sci., 3 : 158-181.
- Ladha, J. K., Dawe, D., Pathak, H., Padre, A .T., Yadav, R. L., Singh, Bijay., Singh, Yadvander., Singh, P., Kundu, A. K., Sakal, R., Ragmi, Ram N., Gami, A. P., Bandari, S. K., Anin, A. N., Yadav, K. and Bhattarai, C.R. (2003). How extensive are yield declines in long term rice-wheat experiment in Asia. Field Crops Res., 81:159-180.
- Manjappa, K., Nagaraj-Katoraki and Kelaginamani, S.V. (2006). Leaf colour chart is a simple tool for integrated nitrogen management in rain-fed low land rice. Karnataka J. Agric. Sci., 19 (1): 84-89.
- Mishra, H.S. (2006).The hindu survey of Indian Agriculture. 47-48pp.
- Shukla, Arvind K., Ladha, Jagdish K., Singh, V.K., Diwivedi, B.S., Balasurbmaniam, Vethaiya, Gupta, Raj K., Sharma, S.K., Singh, Yogendra, Pathak, H., Pandey, P.S., Padre, Agnes T. and Yadav, R.L. (2004).Calibrating the leaf colour chart for nitrogen management in different genotype of rice and wheat in a systems perspective. Agron. J., 96 (6): 1606-1621.