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Influence of Non-puddled Transplanting and Residues of Previous Mustard on Rice (oryza Sativa L.)

Mohammad Mobarak Hossain*
Rice Breeding Platform (Breeding for Favorable Environment), International Rice Research Institute, Dhaka 1213, Bangladesh

Mahfuza Begum
Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh

Md. Moshiur Rahman
Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh

Abul Hashem
Department of Primary Industries and Regional Development, Industry and Economic Development, 75 York Road, Northam 6401 WA

Richard W. Bell
Agricultural Sciences, Murdoch University, South St, Murdoch WA 6150, Australia

Enamul Haque
Agricultural Sciences, Murdoch University, South St, Murdoch WA 6150, Australia

Abstract/ Executive Summary:

On-farm research was conducted at Gouripur sub-district under Mymensingh district of Bangladesh during the boro (mid November-June) season in 2013-14 and 2014-15 to evaluate the performance of non-puddled rice cultivation with and without crop residue retention. The rice var. BRRI dhan28 was transplanted by two tillage practices viz., puddled conventional tillage (CT) and non-puddled strip tillage (ST) and at two levels of mustard residues, i.e., no residue (R0) and 50% residue (R50). The experiment was designed in a randomized complete block design with four replications. There were no significant yield differences between tillage practices and residue levels in 2013-14. But in the following year, ST yielded 9% more grain compared to CT leading to 22% higher BCR. Retention of 50% residue increased yield by 3% compared to no-residue, which contributed to 10% higher benefit-cost ratio (BCR). The ST combined with 50% residue retention yielded the highest grain yield (5.81 t ha-1 ) which contributed to produce the highest BCR (1.06).

Keywords: Crop residues, Non-puddled, Strip tillage, Yield

Location: Gouripur sub-district under Mymensingh district of Bangladesh

Start Date: 00-00-2013

End Date: 00-00-2015

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

The present study was conducted to examine the performance of rice using non-puddled transplanting system with the retention of mustard residues.

Methodology:

The experiment had conducted on a farmer's field of Durbachara, Gouripur, Mymensingh, Bangladesh (the latitude of 24.75° N and the longitude of 90.50° E) during the boro (mid November-June) season in 2013-14 and 2014-15. This experimental area belongs to the Old Brahmaputra Floodplain, which is characterized by dark grey non-calcareous alluvium soils belong to the Sonatala series. Soil characteristics are presented in Table 1. Climatic (rainfall and thermal condition) data were collected from the nearest weather station. The treatments were: (i) puddled soil condition following conventional tillage (CT) and (ii) non-puddled soil condition using strip tillage (ST) and; two levels of mustard residues viz., no-residue (R0) and 50% residue (R50). The treatments was laid out in randomized complete block design with four replications using unit plots of 9 m × 5 m. In tillage practice, CT consisted of two passes of primary rotary tillage by two wheeler tractor (2 WT) and exposure to the sun for two days followed by inundation of the whole plot and puddling by 2WT with two passes to complete land preparation. The ST was done by a Versatile Multi-crop Planter (Haque et al., 2016) in a single pass operation before flooding the field. Three days before ST, pre-plant glyphosate herbicide was applied @ 75 ml 10 L-1 water. After ST, the land had inundated with 3-5 cm standing water for one day before transplanting to allow the disturbed strip to soft enough to transplant seedlings(Islam et al., 2014). Thirty-five day-old seedlings of rice var. BRRI dhan28 were transplanted. Fertilizers have applied according to the recommendation of BRRI (2014). A spacing of 25 cm × 15 cm was maintained for both CT and ST with 2 or 3 seedlings hill-1 . The crops were harvested at maturity from 3 m × 3 m in each plot, and then data were recorded. Grain yield was adjusted to 14% moisture content. Data were subjected to two-way ANOVA using STAR software and means were separated by Duncan's Multiple Range Test (Gomez and Gomez, 1984).

Source of Information: Preprints (www.preprints.org) | NOT PEER-REVIEWED | Posted: 4 December 2020

Article Link (Online Journal): doi:10.20944/preprints202010.0357.v2

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Based on this two-year study, we can conclude that non-puddled rice transplanting with the retention of crop residues was a profitable alternative to existing conventional tillage operation and farmers are likely to be benefited by increased profit through adopting this practice.

Knowledge Management: Journal