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Effect of Combinations of Chemical Fertilizers and Poultry Manure on the Productivity of Crops in the Cauliflower-stem Amaranth-jute Pattern

M. Akkas Ali
Senior Scientific Officer,
On-Farm Researc Division, Agricultural Research Station, BARI, Pabna,

M.S.H. Molla
Scientific Officer
On-Farm Researc Division, Agricultural Research Station, BARI, Pabna

M. Robiul Alam
Scientific Officer
On-Farm Researc Division, Agricultural Research Station, BARI, Pabna

M.A. Momin
Principal Scientific Officer
On-Farm Researc Division, Agricultural Research Station, BARI, Pabna

M.A. Mannan
Senior Scientific Officer
Farm Division, BARI,Jovdebpur, Gazipur, Bangladesh.

Abstract/ Executive Summary:

Different combinations of chemical fertilizers and organic manure were applied for sustainable crop productivity in the cauliflower-stem amaranth -jute cropping pattern. The experiment was conducted at farmer's field in Multi location Testing (MLT) site of Pakshi, Pahna over three years. There were five combinations of chemical fertilizers (CF) and poultry manure (PM) along with absolute control arranged in a randomized complete block design. The results revealed that all three crops showed significant yield for fertilizer and poultry manure use. Higher yields were obtained with 50% CF + 50% PM followed by 75% CF + 25% PM treatments where cauliflower equivalent yield was increased by 85% and 78%, respectively, over control. This indicates a positive residual effect of poultry manure on the subsequent crops. From the economic points of view, the highest marginal benefit cost ratio (MBCR) was attained in I00% chemical fertilizer due to its lower variable cost followed by 75% CF + 25% PM treated plots. However, gross margin was higher in 50% CF + 50% PM combination for its higher total yield.

Keywords: Chemical fertilizer, Poultry manure, Productivity of Cauliflower- Stem amaranth- Jute

Location: Pakshi, Pabna

Start Date: 00-00-2003

End Date: 00-00-2006

Program Area: Farming System

Commodity: Jute, Amaranth, Cauliflower

Objectives:

To find out a suitable combinations of chemical fertilizers and organic manure for sustainable crop productivity in the cauliflower-stem amaranth-jute pattern, without affecting soil health.

Methodology:

The experiment was carried out at Multilocation Testing (MLT) site, Pakshi, Pabna during 2003-04 to 2005-06 covering nine crop seasons in the High Ganges River Floodplain soil (AEZ.-11 ). The experiment was laid out in a randomized complete block (RCB) design with four dispersed replications. Five different combinations with fertilizers and manure were employed against absolute control.Seedlings of cauliflower (var. White Contessa) were transplanted during 25 October to 5 November in line spacing maintaining 60 cm x 45 cm and harvested during 15-25 January in each year. Seeds of stem amaranth (var. BARI Data 1) were sown during 5-15 February in line with 30 cm spacing and continuous seeding at a seed rate of 2.25 kg/ha and harvested during 27 March to 7 April. Every year, the jute seeds (var. 0-9897 and LIV) were sown. Data on different parameters were collected following standard procedures and were statistically analyzed (Gomez and Gomez, 1984).Analysis of variance (ANOVA) and the comparison of treatment means by the least significant difference (LSD) were done by MStat statistical package. Cost and return analysis of different treatments were computed on the basis of prevailing market price of cauliflower, stem amaranth and jute (fiber and sticks).

Source of Information: Bangladesh J. Agril. Res. 34( I) : I13-121, March 2009

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results revealed that all three crops showed significant yield for fertilizer and poultry manure use. Higher yields were obtained with 50% CF + 50% PM followed by 75% CF + 25% PM treatments where cauliflower equivalent yield was increased by 85% and 78%, respectively, over control. This indicates a positive residual effect of poultry manure on the subsequent crops. From the economic points of view, the highest marginal benefit cost ratio (MBCR) was attained in I00% chemical fertilizer due to its lower variable cost followed by 75% CF + 25% PM treated plots. However, gross margin was higher in 50% CF+ 50% PM combination for its higher total yield. Considering crop productivity, economic return and soil fertility together, 75% CF + 25% PM treatment could be recommended for the cauliflower-stem amaranth-jute cropping pattern in Pabna and similar soils of AEZ-1 I for sustainable crop yield and soil health.

Knowledge Management: Journal