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Effect of Unpuddled Transplanting on the Growth and Yield of Dry Season Rice (oryza Sativa L.) in High BARInd Tract

AKM Saiful Islam
Senior Scientific Officer
Bangladesh Rice Research Institute, Gazipur, Bangladesh;

M. M. Hossain
Bangladesh Agricultural University, Mymensingh, Bangladesh

M. A. Saleque
Bangladesh Rice Research Institute, Gazipur, Bangladesh;

Abstract/ Executive Summary:

Conservation tillage technology not only protects natural resources but also provides some economic leverage. The present investigation evaluated two puddle tillages (i) conventional tillage (CT) and (ii) single pass wet tillage (SPWT) and two unpuddled tillages (iii) strip tillage(ST) and (iv) bed planting (BP) to establish rice in the High Barind Tract, Godagari, Rajshahi during aus 2010 and boro 2011 season. The CT option incurred higher cost compared to other tillage treatments due to more fuel and labour used in land preparation. Minimum tillage (SPWT, ST and BP) saved about 30-54% fuel consumption and 40-49% labour requirement compared to CT in land preparation. Labour did not face much difficulty to transplant seedling in unpuddled fields. However, unpuddled establishment required more labor for weeding compared to puddle one. Bed planting in aus gave significantly lower grain yield than other establishment methods. However, in boro season, all the tested tillage methods produced similar yield. In both seasons, CT showed the highest input costs due to more number of tillage passes and fuel requirement in land preparation. As a consequence, SPWT, ST and BP appeared to be more profitable than CT both in aus and boro rice.

Keywords: Strip tillage, Bed planting, Fuel consumption, Yield, Cost

Location: farmer’s field at Godagari of Rajshahi district

Start Date: 00-00-2010

End Date: 00-00-2011

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To examine the effect of unpuddled transplanting on growth and yield of rice in High Barind Tract.

Methodology:

The experiment was conducted in the farmer’s field at Godagari of Rajshahi district during aus (May-August) 2010 and boro (December-May) 2011 season. In the High Barind Tract (HBT) grey terrace soils are predominant. These soils are mostly silty clay surface horizons. Climatic (rainfall and thermal condition) data were collected from the nearest weather station. The treatments were: in puddled condition (i) conventional puddling (CT) (ii) single pass wet tillage (SPWT); and in unpuddled condition (iii) strip tillage (ST) and (iv) bed planting (BP). The treatments were arranged in a randomized complete block (RCB) design with three replications. In land preparation, CT consisted of 2 passes primary tillage by 2 WT and exposed to sun for two days followed by inundating whole plot and puddling by 2WT with 2 passes to complete land preparation. In SPWT, one pass tillage by 2 WT after inundating the field. ST and BP were done by Versatile Multi-crop Planter (VMP) in single pass operation before inundating the field. Land was inundated one day before transplanting operation for making the land soft to transplant seedling in ST and BP. In BP, the width of bed and furrow were 35 and 20 cm, respectively.

Source of Information: The Agriculturists 12(2): 91-97 (2014) ISSN 2304-7321 (Online), ISSN 1729-5211 (Print), A Scientific Journal of Krishi Foundation

Article Link (Online Journal): http://banglajol.info/index.php/AGRIC/article/view/21736/14942

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Tillage intensity can be reduced to establish transplanted rice without sacrificing yield. Single pass wet tillage could be promoted in the traditional puddled rice cultivation areas in High Barind Tract. Transplanting rice in unpuddled strip and bed was also promising in aus and boro seasons for conducting the research work.

Knowledge Management: Journal