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Intercropping Grasspea with Chilli at Varying Plant Population

Bulbul Ahmed*
Plant Physiology Division, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh

Dilruba Shabnam
Plant Quarantine Center, Riverport, Narayangonj-1420, Bangladesh

Sabrina Shabnam
Department of Agricultural Chemistry, Hajee Mohammad Danesh Science and Technology University, Dinajpur-5200, Bangladesh

Md. Anwar Hossain
Department of Agricultural Extension, Hatibandha, Lalmomirhat-5530, Bangladesh

Md. Mushfiqul Islam
Geo-Potato Project, Agriculture Information Services, Khamarbari, Dhaka-1215, Bangladesh

Abstract/ Executive Summary:

An intercropping experiment was conducted to find out the suitable intercropping pattern for higher return from the same land. The intercropping combinations includes T1 = sole grasspea, T2 = sole chilli (50 cm x 40 cm), T3 = grasspea (100%) + 100% chilli (50 cm x 40 cm), T4 = grasspea (100%) + 60% chilli (50 cm x 60 cm), T5 = grasspea (100%) + 50% chilli (50 cm x 80 cm), and T6 = grasspea (100%) + 40% chilli (50 cm x 100 cm). The highest grasspea seed yield (1.82 t ha1) was obtained from T5 which was statistically similar to that of T1 treatment and significantly higher than those of T3 and T6. The highest pod yield (2.2 t ha-1) was recorded in T5 which was significantly different from other intercrops combinations. Among intercropping combinations studied, the highest gross return and net return was recorded in T5 [grasspea (100%) + 50% chilli (50 cm x 80 cm)]. Cost of production was also highest in this intercropping due to the involvement of more labour and seed cost. The lowest benefit cost ratio (BCR) among intercropping combinations was obtained from T6 [grasspea (100%) + 40% chilli (50 cm x 100 cm)]. This study suggest that grasspea (100%) + 50% chilli (50 cm x 80 cm) ratio might be the suitable intercropping pattern for getting higher economic return. It also might be concluded that intercropping would help for higher economic profit from the same land.

Keywords: Intercropping, Grasspea, BCR, Chill

Location: Farming System Research Division site, Kadamshohor, Godagari, On farm Research Division of Bangladesh Agricultural Research Institute, Lakshipur, Rajshahi, during rabi season of 2012-2013.

Start Date: 00-00-2012

End Date: 00-00-2013

Program Area: Crop-Soil-Water Management

Commodity: Intercropping

Objectives:

This experiment was conducted to find out the optimum plant population of grasspea for intercropping with chilli for higher productivity and return.

Methodology:

Experimental site The experiment was conducted at the at the Farming System Research Division site, Kadamshohor, Godagari, On farm Research Division of Bangladesh Agricultural Research Institute, Lakshipur, Rajshahi, during rabi season of 2012-2013. Planting materials BARI developed two crop varieties such as Grasspea (Lathyrus sativus L. var. BARI Khesari 2) and chilli (Capsicum frutescens L. var. BARI chilli 1) ware used as experimental material in this study.

Experimental treatments Six intercropping combinations were studied following a randomized complete block design with three replications. These were: T1 = sole grasspea, T2 = sole chilli (50 cm x 40 cm), T3 = grasspea (100%) + 100% chilli (50 cm x 40 cm), T4 = grasspea (100%) + 60% chilli (50 cm x 60 cm), T5 = grasspea (100%) + 50% chilli (50 cm x 80 cm) and T6 = grasspea (100%) + 40% chilli (50 cm x 100 cm).

Cultivation procedures The unit plot size was 4 m x 4 m. Grasspea and chilli seeds were sown on 15 November, 2010. Grasspea was planted with broadcast method and chilli was planted in line sowing method. Sole chilli were grown with 120-80-120-20-4-0.5 kg ha-1 of NPKSZnB in the form of urea, triple super phosphate, muriate of potash, gypsum, zinc sulphate and boric acid, respectively. In sole chilli, half of N and full amount of other fertilizer were applied as basal. In intercropping systems, the full amount of PKSZnB and 1/2 N were applied as basal. The remaining N was top dressed at 25, 50, 70 days after sowing (DAS) in three equal splits. A light irrigation was given after sowing for proper emergence. Intercultural operations were done as and when required. Yield components of grasspea and chilli were taken from randomly selected 5 plants from each plot. Yields of both the crops were taken from whole plot. Equivalent yields were computed using the formula of Bandyopadhaya (1984).

Data recording and statistical analysis Data on yield and yield components of both the crops were analyzed statistically and the means were adjudged using LSD. Cost benefit analysis was also done.

Source of Information: International Journal of Applied Research 4, 58-61 Online release 7 April 2018

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The intercropping system studies revealed that chilli is compatible with grasspea as combination of grasspea (100%) + 50% chilli (50 cm x 80 cm) ratio and can give higher economic return.

Knowledge Management: Journal