Effects of Missing Elements (NPS) on Chemical Properties of Soil and Nutrient Uptake of Rice Var. BRRI dhan29
R. Talukder, M. A. Aziz, M. Biswas, M. A. Kashem
Journal of Experimental Agriculture International · pp. 1–6 · Published 16 Oct 2015
10.9734/AJEA/2016/20282Abstract
An experiment was conducted at the BRRI Regional Station, Habigonj, Bangladesh during December 2012 to May 2013 (dry season) to study the effect of missing elements (NPS) on the soil properties and nutrient uptake of rice var. BRRI dhan29. The experiment was laid out in a randomized complete block design with three replications. The experiment consisted of six treatments viz., N85P35K50S9, P38K50S9 (-N), N85K50S9 (-P), N85P38K50 (-S), K50S9 (-NP) in kg/ha, and N0P0K0S0 (control). Results indicated that elements N, P and S either missing alone or in combination with each other significantly affected the chemical properties, nutrient concentration and nutrient uptake of BRRI dhan29. Grain and straw yields were highest with N85P38K50S9(8.31, 9.71 t ha-1) and the lowest with K50S9 (-NP) (4.76, 5.30 t ha-1). Soil chemical properties changed such as available P and exchangeable K as compared to initial soil due to missing elements treatments and other remained similar. Nutrient contents and nutrients uptake were the highest in the treatment N85P38K50S9. The results revealed application of balanced fertilizer @ N85P38K50S9 was better (among the treatments) for obtaining higher grain and straw yield; and nutrient uptake of rice var. BRRI dhan29.
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