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Validation of Recent Developed Intercropping Technologies at Farm Levels of Different Regions of Bangladesh (jhenaidah)

M. Akhteruzzaman
PSO
Agronomy Division, Gazipur

F. Ahmed
SSO
Agronomy Division, Gazipur

Abstract/ Executive Summary:

The experiment was conducted at farmers’ field of Potahati village under Jhenaidah sadar Upazila of Jhenaidah district during rabi season of 2008-09 to evaluate the potentiality of BARI developed intercrop technologies. Yield of hybrid maize was not reduced significantly but considerable yield of companion crops were realized in intercrop situation. Among intercrop technologies, potato + hybrid maize relay cropping was the best in terms of maize equivalent yield (29.44 t/ha) followed by hybrid maize paired row + 8 rows spinach (21.19 t/ha). Similar trend was observed in case of gross return and gross margin. The results revealed that all the intercrop technologies are suitable for farmers’ field. Among those potato + hybrid maize relay cropping ranks first and hybrid maize paired row + 8 row spinach ranks second.

Keywords: Validation, Intercropping technologies, Farm levels

Location: Jhenaidah

Start Date: 00-00-2008

End Date: 00-00-2009

Program Area: Knowledge Management

Non-commodity: Potato, Adoption of technology

Objectives:

To evaluate the potentiality of the intercrop technologies.

Methodology:

The experiment was conducted at farmers’ field of Potahati village under Jhenaidah Sadar Upazila of Jhenaidah district during rabi season of 2008-09. Five developed intercrop technologies were evaluated against sole hybrid maize. Treatments were as follows: Potato (75cm x20 cm) + hybrid maize (75 cm x 25 cm) relay cropping Hybrid maize normal row (75 cm x 25 cm) + 3 rows spinach (15 cm apart solid line) Hybrid maize paired row (37.5/150/37.5 x 25 cm) + 8 rows spinach (15 cm apart solid line) Hybrid maize normal row (75 cm x 25 cm) + 2 rows bushbean (30 cm x 10 cm) Hybrid maize paired row (37.5/150/37.5 x 25 cm) +4 rows bushbean (30 cm x 10 cm) Sole maize (75 cm x 25 cm) The experiment was laid out in a randomized complete block design (RCBD) with four replications. The unit plot size was 4.5 m x 3.0 m. Hybrid maize (var. Pacific 11) and potato (var. cardinal), spinach (local) and bushbean (var. BARI Jharsheem 1) were used in the intercropping experiment. Potato, maize, spinach and bushbean were sown on November 15, 2008. But relaying of hybrid maize in between potato rows was done at 30 days after potato sowing. Fertilizer dose for hybrid maize (260-55-40-4-1 kg/ha NPKSZn) were applied in the intercrop technologies. The full amount of P K S Zn and 1/3 N were applied as basal in the form of triple super phosphate, muriate of potash, zinc sulphate and urea, respectively. The remaining N was top dressed in two equal splits at 30 and 60 days after maize sowing (DAMS).

Source of Information: Annual Report, Agronomy Division 2008-2009

Article Link (Online Journal):

Funding Source:

1. Asian Development Bank

Budget: 15,000/-

Total Budget (Tk.) : 15,000/-

Achievement/Findings:

The results revealed that all the intercrop technologies are suitable for farmers’ field. Among different intercrop technologies, potato + hybrid maize relay cropping ranked first and hybrid maize paired row + 8 row spinach ranked second.

Knowledge Management: Report/Proceedings