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Selecting Appropriate Cotton Based Cropping Pattern for Increasing Cropping Intensity in Bangladesh

S. Kundu
Cotton Development Board, Regional Office, Jessore

K. Hassan*
Cotton Development Board, Regional Office, Jessore

S. M. J. B. Alam
Cotton Development Board, Regional Office, Jessore

M. F. Uddin
Cotton Development Board, Regional Office, Jessore

Abstract/ Executive Summary:

The experiment was conducted at Cotton Research, Training and Seed Multiplication Farm, Jagodishpur, Chowgacha, Jessore initiated June 19, 2015 for the cropping season 2015-16 to observe the performance of cotton based cropping system including total three crops in a year. The other crops were i) relay wheat – mungbean and ii) relay lentil – mungbean. Four cotton varieties CB-12, CB-13, CB-14 and CB Hybrid-1 were sowed in a RCBD design with three replications. Seed cotton yield was significantly different among the varieties. The highest seed cotton yield (2519.3 kg/ha) was obtained from CB Hybrid-1 and the lowest (2112.37 kg/ha) seed cotton was produced by CB-13. The highest BCR (1.31) was observed in cotton (CB Hybrid-1) –relay lentil –mungbean cropping pattern and the lowest BCR (1.10) was observed in Cotton (CB-13) – relay wheat –mungbean cropping pattern. The finding infers that cotton – relay lentil - mungbean cropping pattern might have the potentiality to increase cropping intensity in Bangladesh.

Keywords: Cropping pattern, Relay, Seed cotton

Location: Cotton Research, Training and Seed Multiplication Farm, Jagodishpur, Chowgacha, Jessore

Start Date: 20-06-2015

End Date:

Program Area: Farming System

Non-commodity: Cropping pattern

Objectives:

This research work is aimed at relay cropping wheat, lentil and mung bean with cotton for better productivity and efficient utilization of land for sustainable cotton cultivation in Bangladesh.

Methodology:

The experimental land was prepared by disc harrowing followed by mixing organic manure (cow dung) with soil during harrowing on 19 June 2015. The layout of the experiment was done as per statistical design. Ploughing was done followed by laddering in order to break clods as well as level the land. The experiment was conducted in Cotton Research, Training and Seed Multiplication Farm, Jagodishpur, Jessore in a randomized complete block design with three replications. There were 12 unit plots of each 10m X 10m. The treatments were T1: CB12, T2: CB-13, T3: CB-14 and T4: CB Hybrid-1. AS relay crop wheat variety was BARI-25, lentil was BARI-5 and mung bean was BARI-5. Cropping systems were used 1) cotton-relay wheat-mung bean and 2) cotton-relay lentil- mung bean. Sowing of seeds Cotton Cotton seeds were sown on 20 June, 2015 at the rate of 15 kg seed/ha. The seed was sown by hand, keeping a distance of 35 cm from plant to plant and row to row distance was 90 cm. All seeds were sown at the depth of 2 to 3 cm from the surface soil and covered manually with loose soil. Wheat and lentil At the 2nd harvesting stage of cotton, lentil seeds were sown on 03 December, 2015 at the rate of 45 kg/ha in between cotton rows with little irrigation. On the other hand wheat seeds were sown on 11 December, 2015 at the rate of 90 kg/ha in between cotton rows with little irrigation. Mung bean After harvesting of wheat and lentil, mung bean seeds were sown on 05 March, 2016 at the rate of 44 kg/ha with tillage and light irrigation. Irrigation Two irrigations were applied for cotton, first irrigation at 88 DAS and second at 123 DAS and twice for wheat at 20 and 40 DAS. Weeding Three weeding were done during the whole growing period of cotton, which was done at 24, 46 and 63 DAS accordingly and two weeding was done for wheat before irrigation and single weeding was done for lentil. Insect and pest control Integrated pest managements such as mechanical and chemical control measures were applied specially for cotton. Five sprays were applied when the pest levels exceeds the relevant threshold at regular weekly counts. The insecticides which are recommended for the use of cotton were used to suppress the pest below ETL level. The systemic insecticides were used for sucking pest and contact insecticides for chewing pests. Fungicides were used for cotton, wheat and lentil crop to prevent diseases. Harvesting Cotton Seed cotton picking was done three times, 1st on last week of November, 2nd on mid December 2015 and last picking on mid -January 2016. Wheat Wheat was harvested on 29 February, 2016. Lentil Lentil was harvested on mid February. Mung bean Mung bean was harvested on last week of May.

Source of Information: J. Environ. Sci. & Natural Resources, 11(1&2):37–41, 2018 ISSN 1999-7361

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Cotton (CB Hybrid-1) - relay lentil – mungbean showed the best performance regarding yield and BCR. CBHybrid-1 produced the highest seed cotton in the relay cropping system and the highest BCR was obtained from cotton (CB-hybrid-1) – relay lentil – mungbean cropping system. Including of three crops in cotton based cropping system is new. This cropping system should be commenced earlier and it may have the possibility to get two more crops in a year after harvesting seed cotton.

Knowledge Management: Journal