Vol. 7, Issue 3 (2019)
Effect of integrated nitrogen management on macronutrient content in rice
Author(s): Wangkhem Herojit Meetei, RK Kumarjit Singh, N Surbala Devi and T Sanahanbi Devi
Abstract: Field experiments were conducted to study the effect of integrated nitrogen management on macro nutrient content in rice var. CAU-R1 (Tamphaphou) during the kharif seasons of 2015 and 2016. Urea, Vermicompost and Azolla were applied as nitrogen sources including one untreated control. Results revealed that application of integrated nitrogen management improved the N, P and K content of rice in both the years of study as well as pooled data. A declining trend of N, P and K content in rice with crop age was recorded which might be due to dilution effect, caused by higher dry matter production, low nutrient status of soil and fixation of applied nutrient. Statistically higher macronutrient concentration in rice was observed in soil treated with 75% RDN using Urea + 25% RDN using Vermicompost which is at par with 50% RDN using Urea + 50% RDN using Vermicompost, 100% RDN using chemical fertilizer Urea + 100% RDN using Vermicompost + 100% using Azolla and 100% RDN using chemical fertilizer Urea. This might be due to release of nutrients from organic sources thereby increasing soil availability along with inorganic source during the growing stage.
Pages: 5173-5176 | 388 Views 98 Downloads
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How to cite this article:
Wangkhem Herojit Meetei, RK Kumarjit Singh, N Surbala Devi, T Sanahanbi Devi. Effect of integrated nitrogen management on macronutrient content in rice. Int J Chem Stud 2019;7(3):5173-5176.
