EFFECTS OF FERTILIZERS ON GROWTH AND YIELD OF BORO RICE VARIETIES AT DEKAR HAOR IN SUNAMGANJ DISTRICT

M Salwa, MA Kashem and KS Begum
Journal of the Sylhet Agricultural University, Volume 7, Issue 2, 2020, Pages 71-77

Abstract:

An experiment was conducted from November 2018 through April 2019 at Noagaon village of South Sunamganj Upazila in Sunamganj District to observe the effects of fertilizers on the growth and yield of boro rice varieties. Two factors experiment was conducted using three rice varieties viz. V1=BRRI dhan28, V2=BRRI dhan29 and V3=BRRI dhan58; and two fertilizers levels viz. F1= N138P22.4K63.5S13.5Zn1.3kg ha-1 (FRG-2012) and F2=N57P12K12kg ha-1 (Farmers’ practice) where Randomized Complete Block Design (RCBD) was followed and replicated thrice. Growth and yield data were recorded. Results of the experiment showed that growth performance was higher in V1 followed by V2. The highest spikelets panicle-1 (253.23) and grains panicle-1 (162.57) were recorded from V2. F1 also gave a higher performance in no. of spikelets panicle-1 (189.81) and grains panicle-1 (132.74) over F2.  The highest 1000 grains weight (22.55 g) was observed in V2 and higher (22.28 g) found in F1. The highest grain yield of 7.66 t ha-1 was produced in V2, and the lowest yield (6.08 t ha-1) was produced in V. The higher yield of 7.18 t ha-1obtained from F1 over F2(6.23 t ha-1). V2 produced the 14 % higher grain yield (8.17 t ha-1) with the application of F1 over F2. The highest BCR (1.54) was found when V2 was treated with F1, and the lowest BCR (1.19) was observed inV1with F2. In comparison to initial soil nutrients status as well as the organic matter was increased in post-harvest soil when applied balanced fertilizers.

Keywords:

Variety, Haor, Balanced fertilizer, BCR, Nutrient status


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M Salwa, MA Kashem and KS Begum. 2020. EFFECTS OF FERTILIZERS ON GROWTH AND YIELD OF BORO RICE VARIETIES AT DEKAR HAOR IN SUNAMGANJ DISTRICT, Journal of the Sylhet Agricultural University 7(2): 71-77.