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Effect of Poultry Manure and Inorganic Fertilizer on the Productivity of Cotton.

Dr. Md. Kamrul Islam
Senior Scientific Officer(SSO)
Cotton Research, Training and Seed Multiplication Farm,Sreepur, Gazipur

Md. Akhteruzzaman
Additional Director(AD)
Cotton Development Board, Khamarbari, Farmgate,Dhaka-1215

Abstract/ Executive Summary:

To sustain the cotton productivity in Bangladesh, the use of organic sources of nutrient is necessary. Thus, it is important to know the effect of poultry manure, a potential organic source of plant nutrients, on cotton yield and yield contributing characters. The performance of six treatments viz. 1. without fertilizer, 2. recommended doses of inorganic fertilizer ( 104-45-138-22 kg/ha NPKS respectively), 3. 75% of recommended doses of inorganic fertilizer, 4. 75% of Treatment 2 + 2 t/ha poultry manure, 5. 75% of Treatment 2 + 4 t/ha poultry manure and 6. 75% of Treatment 2 + 6 t/ha poultry manure were investigated in RCB design with 3 replications at three cotton research farms in 2012-13 growing period. Results revealed that the application of poultry manure significantly increase the cotton yield and yield contributing characters. The highest seed cotton yield at Sreepur and Sadarpur farms were obtained from 2 t/ha poultry manure and at Jagadishpur farm from 4 t/ha poultry manure together with 75% recommended dose of NPKS fertilizers. With the increase of poultry manure rate the seed cotton yield decreases. The NPKS use efficiencies and benefit cost ratio varied from location to location for different treatments.

Keywords: Cotton, Soil fertility, Organic fertilizer, Inorganic fertilizer, Poultry manure

Location: Sreepur, Gazipur; Jagadishpur, Jessore; and Sadarpur, Dinajpur

Start Date: 00-00-2012

End Date: 00-00-2013

Program Area: Crop-Soil-Water Management

Commodity: Cotton

Objectives:

To determine the effect of poultry manure on seed cotton yield and yield contributing characters.

Methodology:

The experiment was conducted in the three research farms of Cotton Development Board located at Sreepur, Gazipur; Sadarpur, Dinajpur and Jagadishpur, Jessore in 2012-2013. The performance of two doses of inorganic fertilizers and 3 doses of combined inorganic and organic fertilizers were evaluated against control (without fertilizer) in randomized complete block design (RCBD) with three replications. Different treatments combination used in the experiment were: 1. control (without fertilizer), 2.recommended doses of inorganic fertilizer ( 104-45-138-22 kg/ha NPKS respectively), 3.75% of recommended doses of inorganic fertilizer, 4. 75% of Treatment 2 + 2 t/ha poultry manure, 5. 75% of Treatment 2 + 4 t/ha poultry manure, and 6. 75% of Treatment 2 + 6 t/ha poultry manure. The unit plot size was 4.5m × 4.5m and the plant spacing was 90cm × 45cm. Two or three seeds were sowing per hill. Though, after final thinning one seedling per hill was allowed to grow. Intercultural operations such as weeding, thinning, gap-filling, earthling-up, irrigations, insects and pest management were done in all plots uniformly. Cotton yield contributing characters such as plant height, number of vegetative and fruiting branches per plant, number of effective boll per plant, single boll weight were recorded from 10 randomly selected plants and seed cotton yield was recorded from each plot. Statistical analysis was done by Cropstat (2007).

Source of Information: Journal of Agroforestry and Environment, 7(1):31-36. 2013

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The main effect of treatment was found significant for vegetative branch, fruiting branch and plant height at harvest, boll number and seed cotton yield. While, the location effect was found significant on vegetative branch, fruiting branch and plant height at harvest, boll number, individual boll weight and seed cotton yield. The interaction effect of treatment × location was found significant for boll number and seed cotton yield. Our study suggested that inorganic fertilizer use can be replace with the use of poultry manure in cotton cultivation that simultaneously reduce the risk of environment pollution due to the indiscriminate disposal of poultry litter.

Knowledge Management: Journal