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Time of Relaying Mukhikachu with Hybrid Maize

M. Nurul Islam
PSO
Agronomy Division, Gazipur

M.I.A. Sarker
SO
ARS Burirhat

Abstract/ Executive Summary:

The experiment was conducted at the BARI farm, Joydebpur, RARS Ishurdi, RARS Jamalpur and ARS Burirhat during November 2006 to October 2007 to find out suitable time of relaying mukhikachu with hybrid maize. Five dates of relaying mukhikachu with hybrid maize (100, 110,120,130 and 140 days after maize sowing) were compared with monoculture mukhikachu and monoculture hybrid maize. At all the locations, hybrid maize yield was the highest in sole crop but it was not reduced significantly due to relay cropping of mukhikachu. Yield of sole mukhikachu was the highest and it was identical to that of mukhikachu grown with hybrid maize at 100 days after hybrid maize sowing (DAMS). This treatment (T₁) gave the highest mean maize equivalent yield (23.65t/ha), gross return (Tk 304775/ha) and benefit cost ratio (5.97). The result revealed that relaycropping of mukhikachu with hybrid maize at 100 DAMS is economically profitable for Joydebpur, Burirhat, Ishurdi and Jamalpur regions.

Keywords: Relaying, Mukhikachu, Hybrid maize

Location: Joydebpur, RARS Ishurdi, RARS Jamalpur and ARS Burirhat

Start Date: 00-11-2006

End Date: 00-10-2007

Program Area: Farming System

Commodity: Maize, Aroids

Objectives:

To find out suitable time of relaying mukhikachu with hybrid maize.

Methodology:

The experiment was conducted at the BARI farm, Joydebpur, RARS Ishurdi, RARS Jamalpur and ARS Burirhat during November 2006 to October 2007. Treatment combinations were: T₁ = Relaying of mukhikachu with hybrid maize at 100 days after maize sowing (DAMS), T₂ = Relaying of mukhikachu with hybrid maize at 110 DAMS, T₃= Relaying of mukhikachu with hybrid maize at 120 DAMS, T₄ = Relaying of mukhikachu with hybrid maize at 130 DAMS, T₅ = Relaying of mukhikachu with hybrid maize at 140 DAMS, T₆ = Sole mukhikachu and T₇ = Sole hybrid maize. The experiment was laid out in a RCB design with 3 replications. The unit plot size was 4.5 m x 3 m. Seeds of hybrid maize (cv. Pacific 11) were sown on December 01, 2006 at Joydebpur, November 17, 2006 at Ishurdi, November 26, 2006 at Jamalpur and November 18, 2006 at Burirhat with 75 cm x 25 cm spacing. Sole mukhikachu (cv. Bilashi) was planted on March 11, 2007 at Jodebpur, February 27, 2007 at Ishurdi, March 06, 2007 at Jamalpur and March 29, 2006 at Burirhat with 75 cm x 45 cm spacing following double row system (20 cm within pair). Double row mukhikachu was relayed as per treatments in between two rows of maize maintaining 45 cm plant to plant distance. First relay mukhikachu and sole mukhikachu was planted on same day. At 3 m x 4.5 m sized plot, 75% mukhikachu can be relayed with 100% hybrid maize but at a large sized plot more than 99% mukhikachu can be accommodated.

Source of Information: Annual Report, Agronomy Division 2007-2008, BARI

Article Link (Online Journal):

Funding Source:

1. Asian Development Bank

Budget: 40,000/-

Total Budget (Tk.) : 40,000/-

Achievement/Findings:

The results revealed that relay cropping of mukhikachu with hybrid maize is superior to either sole hybrid maize or sole mukhikachu. Relay cropping of mukhikachu with hybrid maize at 100 days after maize sowing is economically profitable for Joydebpur, Burirhat, Ishurdi and Jamalpur region.

Knowledge Management: Report/Proceedings