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Factors Responsible for Yield Gaps in Rice and Wheat at Farmers’ Field in Four Districts in Bangladesh

Dr. M. A. Kashem
Professor
Department of Agricultural Extension Education, Bangladesh Agricultural University, Mymensingh-2202,Bangladesh

Abstract/ Executive Summary:

The gaps between potential and farmers’ yield is one of the great threats to obtain higher yield of different crops in Bangladesh. The main objective of the study was to identify the reasons/factors responsible for yield gaps in rice and wheat at farmers’ field. The present study was conducted in four intensive crop growing areas namely, Mymensingh and Sherpur districts for rice and Rangpur and Dinajpur districts for wheat. The empirical data for the study were collected in the year of 2010 and 2011. The findings reveal that in case of boro rice the overall mean yield gap of BRRI dhan28 was 12.41 percent and BRRI dhan29 was 18.31 percent where in aman rice the overall yield gap of BR 11 was the highest (20.89 percent) followed by BRRI dhan40 (17.89 percent), BRRI dhan41 (16.76 percent) and BINA dhan 7 (10.92 percent). The farmers’ practice gap in boro rice cultivation was the highest in case of gypsum (59 per cent) followed by MoP (45 percent) and TSP (33 percent) and in case of aman rice the highest gap was in gypsum (68 per cent) followed by TSP (59 per cent) and MoP 55 percent). In case of wheat cultivation the overall yield gap of Prodip was the highest (18.43 percent) followed by Sourav (18.15 percent) and Satabdi (17.45 percent). The practice gap in wheat was the highest in gypsum application (69 percent) followed by boron (67 percent), sowing time (40 percent) for wheat cultivation. The gaps in the application of MoP, TSP and irrigation were almost equal, 40 percent, 37 percent, and 36 percent respectively. The use of imbalanced dose of fertilizers, late sowing of crops, unavailability of good quality seeds, inadequate irrigation and pest management measures appeared as the major factors causing yield gap in rice and wheat production.

Keywords: Factors, Yield gaps, Rice, Wheat

Location: Mymensingh, Sherpur, Rangpur and Dinajpur districts

Start Date: 01-07-2010

End Date: 30-06-2012

Program Area: Socio-economic and Policy

Commodity: Rice, Wheat

Objectives:

To identify the reasons/factors responsible for yield gaps in rice and wheat at farmers’ field.

Methodology:

Source of Information: BAU Research proceedings, Vol.23, 2013, PP.40

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The findings reveal that in case of boro rice the overall mean yield gap of BRRI dhan28 was 12.41 percent and BRRI dhan29 was 18.31 percent where in aman rice the overall yield gap of BR 11 was the highest (20.89 percent) followed by BRRI dhan40 (17.89 percent), BRRI dhan41 (16.76 percent) and BINA dhan 7 (10.92 percent). The farmers’ practice gap in boro rice cultivation was the highest in case of gypsum (59 per cent) followed by MoP (45 percent) and TSP (33 percent) and in case of aman rice the highest gap was in gypsum (68 per cent) followed by TSP (59 per cent) and MoP 55 percent). In case of wheat cultivation the overall yield gap of Prodip was the highest (18.43 percent) followed by Sourav (18.15 percent) and Satabdi (17.45 percent). The practice gap in wheat was the highest in gypsum application (69 percent) followed by boron (67 percent), sowing time (40 percent) for wheat cultivation. The gaps in the application of MoP, TSP and irrigation were almost equal, 40 percent, 37 percent, and 36 percent respectively. The use of imbalanced dose of fertilizers, late sowing of crops, unavailability of good quality seeds, inadequate irrigation and pest management measures appeared as the major factors causing yield gap in rice and wheat production.

Knowledge Management: Report/Proceedings