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Research Article Open access CC BY 4.0

Effects of Organic and Inorganic Fertilizers on the Growth and Yield of Rice (Oryza sativa L.)

Bo Maw, Swe Swe Mar, Kyaw Ngwe, Thu Zar

Asian Soil Research Journal · pp. 9–19 · Published 2 Apr 2024

10.9734/asrj/2024/v8i2147

Abstract

To evaluate the effect of different levels of organic and inorganic fertilizers on the growth and yield of SinThuKha rice variety, the experiment was conducted with randomized complete block (RCB) design by three replications. The experiments were carried out in Water Utilization Research section, Department of Agricultural Research (DAR) at Yezin, Naypyitaw, Myanmar during dry and wet seasons, 2023.The organic sources used were poultry manure and cow dung manure. The treatments were T1 (Control ), T2 (100% RFF) (Recommended Rate of Fertilizer), T3 (6 t ha-1 Cow dung manure) (CM), T4 (6 t ha-1 Poultry Manure) (PM), T5 ( 25% RRF + 4.5 t ha-1 CM), T6 (25% RRF + 4.5 t ha-1 PM  ), T7 (50% RRF+ 3 t ha-1 CM), T8 (50% RRF + 3 t ha-1 PM), T9 (75% RRF+1.5 t ha-1 CM), T10 (75% RRF+1.5 t ha-1 PM). It was observed that the grain yields as well as the yield attributing parameters like number of tillers hill-1, panicle length, number of panicles hill-1, number of spikelets panicle-1, filled grain percent were significantly different among different treatments except 1000 grain weight. The maximum grain yield was resulted (796.10 g m2) in dry season and (666.35 g m2) in wet season at T8 treatment (50% RRF + 3 t ha-1 PM). Among the treatments the higher yield of T8 and T10 were observed in both seasons followed by T2, T7 and T9.

Cow dung manure poultry manure organic fertilizer

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