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System Productivity of Potato-mungbean- T. Aman Crop Sequence Under Different Fertilizer Levels

M. Nurul Islam
PSO
Agronomy Division , Gazipur

B.L. Nag
SSO
RARS, Jessore

Abstract/ Executive Summary:

Potato-mungbean-T.aman cropping pattern experiment was initiated at the field of BARI Joydebpur, RARS Jessore and ARS Bogra during November 2006 to develop location wise fertilizer recommendation for the pattern. Twelve treatment combinations were designed considering two crop residue management (crop residue removed and crop residue incorporated) and six fertilizer levels, viz., High Yield Goal (HYG), Medium Yield Goal (MYG), Integrated Plant Nutrition System (IPNS), Soil Test Based (STB), Farmers Practicing Fertilizer (FPF), Control (CON). Higher tuber and foliage yields of potato were obtained from fertilizer dose of HYG, IPNS and STB at all the locations but seed and biomass yields of mungbean were higher in HYG, MYG, IPNS and STB fertilizer levels. On the other hand, the higher grain and straw yields of T.aman rice were recorded in HYG, IPNS and STB. As a first cycle, crop residue management had no pronounced effect on the performance of component crops of the pattern. Fertilizer dose of IPNS, HYG and STB produced higher rice equivalent yield at all the locations. Highest gross returns were also obtained from HYG, IPNS and STB. Profitability of the pattern in terms of BCR was the highest in STB at all the locations. From the results, it might be concluded that fertilizer level of STB with or without crop residue incorporation is suitable for the pattern irrespective of locations.

Keywords: System productivity, Potato-Mungbean-T. Aman, Sequence, Fertilizer levels

Location: Joydebpur, RARS Jessore and ARS Bogra

Start Date: 00-11-2006

End Date:

Program Area: Farming System

Commodity: Rice, Potato, Mungbean

Objectives:

To find out fertilizer requirement and its management practices for Potato-Mungbean- T.aman rice cropping pattern.

Methodology:

Trial on Potato-Mungbean- T. aman cropping pattern was initiated during November 2006 at the field of BARI, Joydebpur (AEZ -28), RARS, Jessore (AEZ 11) and ARS, Bogra (AEZ 4). Before starting the experiment initial soil samples at 0-20cm depth were collected from each site and analyzed. Treatment combinations were as follows: T₁= Crop residue removed + fertilizer dose for HYG T₂= Crop residue removed + fertilizer dose for MYG T₃= Crop residue removed + fertilizer dose based on IPNS T₄= Crop residue removed + fertilizer dose based on soil test value (STB) T₅= Crop residue removed + farmers practicing fertilizer dose (FPF) T₆= Crop residue removed + Control T₇= Crop residue incorporated + fertilizer dose for HYG T₈= Crop residue incorporated + fertilizer dose for high MYG T₉= Crop residue incorporated + fertilizer dose based on IPNS T₁₀= Crop residue incorporated + fertilizer dose based on soil test value (STB) T₁₁= Crop residue incorporated + farmers practicing fertilizer dose (FPF) T₁₂= Crop residue incorporated + Control The experiment was laid out in a RCB design with 3 replications. Yield and yield components were recorded and analyzed statistically.

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

Article Link (Online Journal):

Funding Source:

1. Asian Development Bank

Budget: 30,000/-

Total Budget (Tk.) : 30,000/-

Achievement/Findings:

IPNS, HYG and STB produced higher rice equivalent yield of the pattern. Profitability of the pattern in terms of BCR was higher in STB. From the results, it might be concluded that fertilizer level of STB with or without crop reside incorporation is suitable for the pattern in all the locations.

Knowledge Management: Report/Proceedings