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Integrated Use of Organic and Inorganic Fertilizers on the Growth and Yield of Boro Rice (cv. BRRI Dhan29)

Mehedi Hashan Sohel
Dept. of Soil Science, EXIM Bank Agricultural University Bangladesh, Chapainawabganj-6300, Bangladesh

Aniruddha Sarker
Dept. of Soil Science, EXIM Bank Agricultural University Bangladesh, Chapainawabganj-6300, Bangladesh

Md. Abdur Razzak
Agronomy and Farming Systems Division, Bangladesh Sugarcrop Research Institute, Ishurdi, Pabna, Bangladesh

Md. Abul Hashem
Dept. of Soil Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted to evaluate the integrated effect of cow dung, poultry manure and water hyacinth with chemical fertilizers on the growth and yield of Boro rice (cv. BRRI dhan29). The effect of different levels of organic fertilizers in combination with recommended doses of inorganic fertilizers were tested over growth parameters and yield of rice.Among the yield contributing characters studied plant height, effective tillers hill-1, panicle length and filled grains panicle-1were varied significantly by the different treatments. Most of the yield contributing characters influenced positively in treatment having quarter doses of cow dung, poultry manure and water hyacinth over recommended dose. The highest grain yield (5.58 t/ha)and straw yield (7.28 t/ha) were observed in that same treatment T6 (1/3 Cow dung + 1/3 Poultry Manure + 1/3 water hyacinth + Fertilizers) over other treatments. Thus,the application of cow dung, poultry manure and water hyacinth with chemical fertilizers had significant and positive effect on N, P, K and S contents of rice.

Keywords: Organic fertilizer, Cow dung, Poultry manure, Water hyacinth

Location: Field and the Analytical laboratory of Bangladesh Agricultural University, Mymensingh

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Rice, Organic fertilizer, Fertilizer

Objectives:

This study was designed to study the effect of integrated use of organic and inorganic fertilizers on yield and yield contributing characters of BRRI dhan29

Methodology:

The experiment was carried out at the Field and the Analytical laboratory of Bangladesh Agricultural University, Mymensingh.The experiment was laid out in a Randomized Complete Block Design (RCBD), where the experimental area was divided into 3 blocks representing the replications to reduce soil heterogeneity effects. Each block was divided into 7 unit plots with raised dyke treatments. Thus the total number of unit plot was 21. The unit plot size was 4m×2.5m=10 m².The treatment combinations used for the experiment were as follows-T1: Control (No fertilizer, no manure),T2: 100% recommended fertilizer dose,T3: Cowdung (5 t ha-1) + Fertilizers,T4: Poultry Manure (3 t ha^-1) + Fertilizers, T5: water hyacinth (5 t ha^-1) + FertilizersT6: 1/3 Cowdung + 1/3 Poultry Manure + 1/3 water hyacinth + Fertilizers,T7: Farmer’s Practice (Cowdung 4 t ha^-1+ Poultry Manure 3 t ha^-1+ water hyacinth 3 t ha^-¹ + Fertilizers). Data collection for physical properties: Five hills were randomly selected from each plot at maturity to record the yield contributing characters like plant height (cm), numbers of total tillers/hill, numbers of effective tillers/hill,panicle length (cm), numbers of spike/panicle, numbers of grains/panicle and 1000-grain weight (g).Chemical analysis of grain and straw samples: The estimation of total nitrogen was made by the semi-microKjeldahl method (Page et al., 1982). Phosphorus content of plant extract was determined colorimetrically by stannous chloride method (Olsen et al.,1954). Potassium was determined from the extract by using flame photometer.Sulphur was determined by turbidimetric method(Hunter, 1984). Statistical analysis: The data were analyzed statistically by F-test to examine the treatment effects and the mean differences were adjudged by Duncan’s Multiple Range Test (DMRT) (Gomez and Gomez, 1984)and ranking was indicated by letters.

Source of Information: J. Biosci. Agric. Res. 10(01): 857-865

Article Link (Online Journal): DOI: 10.18801/jbar.100116.104

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Plant height, effective tillers hill^-1, panicle length, number of filled grains panicle-1and 1000-grain weight were significantly influenced due to different treatments. It may be mentioned here that the combined application of organic and inorganic fertilizers showed the better performance in the yield components of rice. It was observed that cow dung, poultry manure and water hyacinth with chemical fertilizers gave better grain and straw yields than only chemical fertilizers. It also appeared that yields due to organic manure (cow dung, poultry manure and water hyacinth) were statistically superior to the yield obtained with the control treatment.

Knowledge Management: Journal