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Integrated Use of Poultry Manure and Chemical Fertilizers on the Yield of Rice

Fahmida Rahman
Senior Scientific Officer
Soil Science Division, BRRI Gazipur

A. T.M. Sakhawat hossain
Senior Scientific Officer
Soil Science Division, BRRI Gazipur

Pranesh Kumar Saha
Cheif Scientific Officer
Soil Science Division, BRRI Gazipur

Abstract/ Executive Summary:

The experiment was initiated in T. Aman 2007 and Boro 2007-08 at BRRI farm Gazipur to determine doses of poultry manure (PM) with chemical fertilizers on the basis of IPNS concept and to determine the level of PM addition with 50% STB dose. Eight treatments viz. T₁ = Absolute control, T₂= PM@ 1t/ha + IPNS based STB dose, T₃=PM@ 2t/ha + IPNS based STB dose, T₄=PM@3 t/ha + IPNS based STB dose, T₅=PM@1t/ha + 50% STB dose, T₆ = PM@2t/ha + 50% STB dose, T₇= PM@3t/ha + 50% STB dose and T8= 100% STB dose were tested following RCB design with 3 replications. In T. Aman, any rates of residual PM + 50% NPKS significantly gave the highest grain yield. The treatment of PM @3 t/ha +IPNS, and PM @ 2 t/ha + IPNS gave the similar grain yield. Application of PM had a positive influence on the yield of Boro rice. Poultry manure @ 2t/ha with adjusted IPNS based STB fertilizer and PM@ 3 t/ha + 50% STB produced the highest grain yield which was statistically similar to PM @ 2t/ha with adjusted IPNS based fertilizer. The highest net return was obtained in PM@ 3t/ha + 50% STB and the highest nutrient uptake (NPKS) by rice was noted in PM@ 3 t/ha + IPNS based STB. The balance for P and S was positive in the all fertilized plot. In conclusion PM@ 3 t/ha reduced the rate of 50% NPKS fertilizers and it has residual benefit for P and S in the next season rice production.

Keywords: Poultry manure, Rice, INM, IPNS

Location: BRRI farm, Gazipur

Start Date: 00-00-2007

End Date: 00-00-2008

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer

Objectives:

To determine doses of poultry manure (PM) with chemical fertilizers on the basis of IPNS concept
To determine the level of poultry manure (PM) addition with 50% STB dose.

Methodology:

The experiment was initiated in T. Aman 2007 and Boro 2007-08 at BRRI farm Gazipur in clay loam soil. The soil pH was 6.84, organic carbon (2.42%), total N (0.14%), available P 5.77 ppm, exchangeable K 0.14 meq/100g soil, available S 6.6 ppm and available Zn 2.8 ppm. Eight treatments viz. T₁ = Absolute control, T₂= PM@ 1t/ha + IPNS based STB dose, T₃=PM@2t/ha + IPNS based STB dose, T₄=PM@3 t/ha + IPNS based STB dose, T₅=PM@1t/ha + 50% STB dose, T₆ = PM@2t/ha + 50% STB dose, T₇= PM@3t/ha + 50% STB dose and T₈= 100% STB dose were tested in the experiment. The experiment was laid out in RCB design with 3 replications. The test varieties were BRRI dhan31 and BRRI dhan29 for T. Aman and Boro season, respectively. Thirty day decomposed (oven dry) basis PM one third of N and the whole amount of PKS were applied at final land preparation as per treatment requirement in Boro season. The remaining two-third N was applied in two equal installments at 25-30 days after transplanting and at 7 days before panicle initiation stage. In T. Aman season, the residual effect of PM was observed. The individual plot size was 4mx 4m. At maturity, grain yield was recorded from 5 m² areas at the center part of each plot and 16 hills were collected for straw yield. The grain yield was recorded at 14% moisture content and straw yield as oven dry basis. N content of the samples were determined by micro Kjeldahl distillation method. P and and K content of these samples were determined using standard laboratory procedure.

Source of Information: Proceedings of the BRRI Annual Internal Review, 2007-08

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Poultry manure @ 3 t/ha reduced the rate of 50% NPKS fertilizers. Moreover it has some beneficial carried over effect.

Knowledge Management: Report/Proceedings