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Integrated Nutrient Management on the Performance of Mv Rice in a Bush Bean- T. Aus- T. Aman Cropping Pattern

Md. Abdul Mazid Miah
Principal Scientific Officer
Soil Science Division, BRRI

Abstract/ Executive Summary:

The study was conducted at BRRI farm Gazipur, in Boro 1999 to determine performance of MV rice in Bush bean- T. Aus- T. Aman cropping pattern. In T. Aus and T. Aman six treatments were as follows; T₁ = control, T₂ = FRG ’97, T₃ = Soil test base dose, T₄ = Recycled crop residue + IPNS chemical fertilizer doses for HYG, T_5a = (residual effect of cow dung + T_3a), T_5b = (100 % N + 50% PKS of T_5a) and T₆ = Local farmers practice (70-10-15 kg/ha NPK). T3 plot was divided into four sub-plots. The treatments for these sub-plots were T_3a = full fertilizer doses for HYG on soil test based; T3b = 100% N + 50% PKS of T3a, T3c = (100% NK + 50% PS of T3a) and T3d = (100% N of T3a + crop removal basis PKS. The tested cropping pattern was Bush bean- T. Aus (BR26) – T. Aman (BRRI dhan31/39). In T. Aus, the highest grain yield (2.89 t/ha) was obtained with T_5b where cowdung was applied during the preceding crop (Bush bean) followed by T_5a (2.81 t/ha). In T. Aman the highest grain yield (3.51 t/ha) was also obtained in T_5b treatment. From the result of economic analyses, it may conclude that 100% N + 50% PKS of full fertilizer doses for HYG on soil test based (T_3b) was the best fertilizer packages for Bush bean – T. Aus- T. Aman cropping pattern at BRRI, Gazipur and resembling experimental site.

Keywords: Cropping system, Bush bean, Cowdung, Integrated nutrient management

Location: BRRI farm, Gazipur

Start Date: 00-00-1999

End Date: 00-00-1999

Program Area: Farming System

Commodity: Bean, Rice

Objectives:

To determine performance of MV rice in Bush bean- T. Aus- T. Aman cropping pattern

Methodology:

The study was conducted at BRRI farm Gazipur, in Boro 1999. In T. Aus, six treatments were as follows; T₁ = control, T₂ = FRG ’97, T₃ = Soil test base dose (87-20-29-10 kg/ha NPKS, respectively), T₄ = Recycled crop residue + IPNS chemical fertilizer doses for HYG, T5a = (residual effect of cow dung + T_3a), T_5b = (100 % N + 50% PKS of T_5a) and T₆ = Local farmers practice (70-10-15 kg/ha NPK). In T. Aus, T₃ plot was divided into four sub-plots. The treatments for these sub-plots were T_3a = full fertilizer doses for HYG on soil test based (87-20-29-10 kg/ ha NPKS); T3b = 100% N + 50% PKS of T_3a, T_3c = (100% NK + 50% PS of T_3a) and T_3d = (100% N of T_3a + crop removal basis PKS. The tested cropping pattern was Bush bean- T. Aus (BR26) – T. Aman (BRRI dhan31/39). The fertilizer treatment for T. Aman were: T₁ = Control, T₂ = BARC fertilizer recommendations (AEZ basis) for medium yield goal (55-12-30-7-2 kg/ha NPKSZn, respectively); T3a = full doses of recommended fertilizer for HYG based on soil test (87-20-29-10 kg/ha NPKS, respectively); T_3b = (100% N + 50% PKS of T_3a); T3c = (100% NK + 50% PS of T_3a); T3d = (100% N of T_3a + PKS, crop removal basis), T₄ = Recycled crop residue + IPNS chemical fertilizer doses for HYG, T5a = (residual effect of cow dung + T_3a), T5b = (100 % N + 50% PKS of T_5a) and T₆ = Local farmers practice (70-10-15 kg/ha NPK). Urea was applied in three splits as 34% at basal, 33% at 25 DAT and rest 33% at 5-7 days before PI stage. At maturity the crop was harvested manually from 5 m² area at 15 cm above ground. However, 16 hills from each plot were harvested at ground level for straw yield data. Grain yield was recorded at 14% moisture content and straw yield as oven dry basis.

Source of Information: Proceedings of the BRRI Annual Internal Review for 2002-2003

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the result of economic analyses, it may conclude that 100% N + 50% PKS of full fertilizer doses for HYG on soil test based (T_3b) was the best fertilizer packages for Bush bean – T. Aus- T. Aman cropping pattern at BRRI, Gazipur and resembling experimental site.

Knowledge Management: Report/Proceedings, Booklet/Leaflet