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Performance of Spices and Leguminous Crops in Agri-silvi- Horticultural Systems in Southern Region of Bangladesh

B L Nag
Regional Agricultural Research Station, BARI,Rahmatpur, Barisal.

A Rahman
Regional Agricultural Research Station, BARI,Rahmatpur, Barisal.

M A Rahman
Regional Agricultural Research Station, BARI,Rahmatpur, Barisal.

Abstract/ Executive Summary:

A study was conducted at the Regional Agricultural Research Station, Rahmatpur, Barisal to identify spices and leguminous crops to be grown in the coconut orchard for the utilization of coconut inter spaces. Spices (Onion, garlic. chilli, coriander, ginger, turmeric) and leguminous crop (cowpea, khesari, mungbean, lentil, field pea and ground nut) were grown in between 25-year aged coconut plantation in a randomized block design replicated thrice. The crops were fertilized with recommended manures and fertilizers. The results revealed that there was an improvement (3-6%) in nut yield over sole coconut. About 33-77% more coconut equivalent yields were recorded from spices intercropped fields. The coconut equivalent yield varied 15 to 34% according to crop production. The highest gross return was found from coconut+chilli, coconut+ grasspea and coconut+turmeric (Dimla) combination. This treatment combination also showed higher net return and benefit cost ratio. The result showed that chilli, grass pea and turmeric (Dimla) could be grown in Coconut orchard for higher combination benefit.

Keywords: Spices, Leguminous Crops, Agri-silvi-horticultural systems, Coconut

Location: Regional Agricultural Research Station, Rahmatpur, Barisal.

Start Date: 00-00-1997

End Date: 00-00-1999

Program Area: Farming System

Non-commodity: Performance

Objectives:

To evaluate various agri-silvi-horticultural systems for agro-climatic conditions of southern region of Bangladesh.

Methodology:

Three experiments were conducted at RARS, Rahmatpur, Barisal during 1997-99. The experiments were laid out in a randomized complete block design replicated thrice. In experiment, first spices like onion, garlic, coriander and chilli were grown. In the second experiment, shade tolerant spices such as turmeric and ginger were grown. Leguminous crop were grown in the third experiment. All the spices and leguminous crop were grown in 25-year aged coconut orchard. Coconut palms were spaced 8 m in rows and 8 m within rows. The unit plots size for the leguminous crops and spices were 5 x 5 m leaving 1.5 m on both sides of coconut rows. Onion, garlic were planted at 30 x 10 cm with basal fertilizer dose of 80-60-50 kg/ha NPK. Turmeric was planted on 15 April at a spacing of 10 x 20 cm in 220-280-200 kg/ha NPK and 10 t/ha cowdung prepared land. Leguminous crops were fertilized 20-40-20 kg/ha NPK. In case of groundnut the land was fertilized with 30-50-50 kg/ha NPK. Coconut palm was dressed with 1 kg urea, 1.2 TSP. 1 kg MP and 50 kg cowdung in two equal splits, before and after rainy season. Harvesting of coconut was done every month and recorded on the basis of nut/palm/yr. Coconut evident yield and economic analysis was done according to treatments.

Source of Information: Proceedings of a national workshop on Development of Agroforestry Research in Bangladesh held september 16-17 2001, OFRD, BARI, Gazipur, Bangladesh.

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results revealed that there was an improvement (3-6%) in nut yield over sole coconut. About 33-77% more coconut equivalent yields were recorded from spices intercropped fields. The coconut equivalent yield varied 15 to 34% according to crop production. The highest gross return was found from coconut+chilli, coconut+ grasspea and coconut+turmeric (Dimla) combination. This treatment combination also showed higher net return and benefit cost ratio. The result showed that chilli, grass pea and turmeric (Dimla) could be grown in Coconut orchard for higher combination benefit. That farmers might be motivated to grow spices like chilli, garlic, turmeric (Dimla), and leguminous crop grasspea and cowpea in coconut orchard for higher income and utilization of coconut tree spaces effectively.

Knowledge Management: Report/Proceedings