• Effect of different sowing methods on the yield and yield components of rice

  •   | 
  • 01/04/2016

Md. Shamim Ahmad completed his BSc thesis at the Department of Fisheries at the University of Rajshahi, Bangladesh.


The performance of rice is related to cultivation practices like the method selected to transplant rice seedlings. In the context of climate change, resource effective rice production is essential. Line transplanting can reduce the cultivation costs, pests and insects as well as increase rice yields.

The objective of this trial was to assess the performance of rice cultivated from different transplantation methods and to identify the most suitable practice to achieve yield increase.

A trial was conducted in the upazillas[1] Baraigram (Natore district), Paba (Rajshahi district) and Patnitala (Naogaon district), Bangladesh. Trial plots were established on farms participating in SAF-BIN project. Two treatments (T1: line planting; T2: random planting) were arranged in a randomized complete block design with three replications. The variety BRRIDhan56, a short duration drought tolerant/escaping rice variety, was used. Into individual plots (6m x 4m) rice seedlings (21- 25 days) were transplanted at a density of 3-4 seedlings/hill. Fertilization (180kg/ha urea, 75kg/ha TSP[2], 90kg/ha MOP[3], 60kg/ha gypsum) and pest management were conducted as necessary. Data on growth duration (days), fertile tillers/hill, thousand grain weight (TGW) and yield (from 10m²) (t/ha) was collected and analyzed.  

Results show that there was no influence of location or treatment on the average number of fertile tillers/hill (Baraigram: 11.7; Paba: 11.4; Patnitala: 11.1; T1: 11.8; T2: 11). Treatment had no significant influence on TGW (T1: 23.2g; T2: 23.18) but location did (Baraigram: 22.9g; Paba: 23.1g; Patnitala: 23.6g). Irrespective of location, line planting produced higher grain yields than random planting (T1: 4.65t/ha; T2: 4.45t/ha). Treatment had no significant effect on growth duration in all locations (Baraigram: 111.38 days; Paba: 107.7; Patnitala: 108.23).

This trial has shown the advantage of line transplanting and created awareness of the benefits of planting fewer seedlings to reduce cultivation costs. Line transplanting must be scaled up among rice growing farmers.

[1] a geographical region in Bangladesh used for administrative purposes, sub-units of districts. (Wikipedia, 2015: access date 19/10/2015.

[2] Triple superphosphate, phosphorus (P) source

[3] mureate of potash, potassium (K) source