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Influence of Different Tillage Methods on the Performance of Chickpea Under T.aus-t.aman-fallow Cropping Pattern

A K Choudhury
Senior Scientific Officer
OFRD, BARI, Sylhet

Md. Asaduzzaman
Scientific Officer
OFRD, BARI, Sylhet

Abstract/ Executive Summary:

A field experiment was conducted at FSRD site Golapganj, Sylhet during rabi season 2001-03 to evaluate effect of tillage methods on two chickpea varieties in fallow period. Treatments included were (a) variety two: BARI Chola-2 and Annigeri in 2001-02 and one more variety BARI Chola-5 in 2002-03 and (b) tillage practice viz. conventional and deep. The variety Annigeri coupled with deep tillage produced the highest yield (1965 kg/ha). Deep tillage performed higher yield than that of conventional tillage. Tillage treatment did not show appreciable difference in soil moisture.

Keywords: Chickpea, Tillage methods, T.Aus-T.Aman-Fallow cropping pattern

Location: Golapganj, Sylhet

Start Date: 29-11-2001

End Date: 25-03-2003

Program Area: Farming System

Commodity: Chickpea

Objectives:

To evaluate the feasibility of growing chickpea in post rainy season fallow period
To investigate the effect of tillage methods on two chickpea genotypes.

Methodology:

A field experiment was conducted at FSRD site, Golapganj, Sylhet during rabi season of 2001-03. There were two treatment viz. methods of tillage and varieties of chickpea in the experiment. Methods of tillage were conventional and deep. Conventional tillage was done by country plough while deep tillage was done by spading. About 7-8 cm deep ploughing was maintained by country plough but in case of deep ploughing 18-20 cm depth was maintained. Two varieties of chickpea BARI Chola-2 and Annigeri in 2001-02 and one more variety BARI Chola-5 in 2002-03 were used in the experiment. The experiment was conducted using a RCB (control) design with four replications. Unit plot size was 4 m 3 m. Spacing was 40 cm 10 cm. Fertilizer at the rate of 20-40-20-20 kg/ha of N, P₂O₅, K₂O and S was applied .The seed was sown on 29 November, 2001. The crop was grown under rainfed condition. The rainfall occurred during October and November, 2001 was 308.9 mm and 21 mm, respectively, where 68.2 and 132.2 mm in November 2002 and during crop growing period (December-March) was 83 mm in 2001-02 and 243.2 mm in 2002-03. Pod borer was minimized by spraying of insecticides and also by hand picking. Soil moisture was monitored by 10 days interval throughout the crop growth period up to a depth of 45 cm with intervals of 15cm. The crop was harvested on 24-25 March, 2002 and last week of March, 2003.

Source of Information: Annual Research Report, 2002-03 published by OFRD, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Effect of tillage method Pods/plant and seed yields were significantly influenced by tillage method but maturity days, plant height and 100-seed weight were not significantly influenced. Deep tillage showed significantly higher yield due to higher no. of pod/plant. Effect of variety Plant height, pods/plant, 100-seed weight and seed yields were significantly affected by different variety. The BARI Chola-2 showed significantly higher plant height than Annigeri but pods/plant and 100-seed weights were significantly higher than BARI Chola-2. Significantly the highest seed yield was recorded from variety Annigeri due to higher pods/plant and 100-seed weight (Table 1). BARI Chola-5 included in 2002-03 but failed to show higher yield than BARI Chola-2 and Annigeri. Interaction between tillage method and variety Plant height, pods/plant, 100-seed weight and seed yields were significantly influenced by different tillage method and variety. Plant height was higher from M2V1 which was statistically at par to M2V2. The variety Annigeri with deep tillage showed higher pods/plant but statistically identical to same variety with conventional tillage. But 100-seed weights were the highest from deep tillage with variety Annigeri but at par to conventional tillage of same variety. The highest seed yield was recorded from deep tillage with Annigeri. The highest yield could be attributed to high number of pods/plant and higher 100-seed weight and this advantage were achieved through better utilization of soil moisture and nutrients. On an average, higher seed yield was obtained from deep tillage with Annigeri variety. BARI Chola-5 failed to show higher yield in either of tillage method. Two years result showed that deep tillage with Annigeri variety could be grown in Sylhet region.

Knowledge Management: Report/Proceedings