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Effect of Planting Methods and Spacing on the Yifld of Four Local Varietie5 of Aus Rice (or Yza Sativa L.)

M. Eunus
Department of Agronomy, Bangladesh Agricultural University, Mymcnsingh.

M. A . Sadeque
Department of Agronomy, Bangladesh Agricultural University, Mymcnsingh.

Abstract/ Executive Summary:

Of the four varieties of aus rice under study, Dharia] gave the maximum grain yield followed by Kataktara, Harinrnuda and Marichbatl, However, their yield differences were not statistically significant. All tile varieties under study except Harinmuda sown broadcast resulted in significantly higher grain yield than that of the transplanted ones. Although the wide spacing (25.40 cmx22.86 em and 25.40 cmx20.32 cm) tended to produce increased number of ears/plant and also increased number of filled grains/ panicle, yet an overall increased grain yield was obtained with closer spacings (25.40 em X 15.24 em and 25.40 em x 10.16 ern).

Keywords: Effect, Planting method, Spacing, Yield

Location: Bangladesh Agricultural University, Mymensingh

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To investigate the performances of four local recommended varieties of aus rice using different plant spacing under direct sowing and transplanting methods.

Methodology:

The experiment was conducted at the Farm of the Bangladesh Agricultural University, Mymensingh . Four cultivars of aus rice, viz. Dharial Kataktar a Marich- batt znd Harinmuda, were grown under two methods f planting direct sowing and trans- planting with plant to plant spacing of 10.16, 15.24, 2Q.32 cm and 22.86 CIL. maintaining a constant row spacing of 25.40 cm. The experiment was laid out in a split- split-plot design with the method of planting in the main plots. varieties in the sub-plots and spacing in the sub plots.All arrangements were made at random. Each treatment was replicated three times. The net area or each unit plot was 11.16 sq. meter. The soil of the experimental plot was prepared in the usual way. Fertilizers were applied at the rate of 67.24 kg. N, 67.24 kg. pps and 35.82 kg. K₂0/hectare. Half dose of N and full doses of P ₂0₅and K₂0 were applied at the time of land preparation. The remaining half dose of N was top dressed after 40 days of the first application. The sources of NPK were urea, triple super phosphate and muriate of potash respectively The seeds were sown in the nursery for raising seedlings and in the main field on the same day. In the main fi Id, three seeds were planted in each hill by maintaining the required spacing, Following germination, the plants were thinned out keeping only one plant/hill. On the other hand, the 28-day old seedlings were transplanted in the main field putting only one seedlings at the required distances.

Source of Information: Bangladesh J. Agril. Sci. 2 (1) : 76•79: 1975

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

All tile varieties under study except Harinmuda sown broadcast resulted in significantly higher grain yield than that of the transplanted ones. Although the wide spacing (25.40 cmx22.86 em and 25.40 cmx20.32 cm) tended to produce increased number of ears/plant and also increased number of filled grains/ panicle, yet an overall increased grain yield was obtained with closer spacing (25.40 em X 15.24 em and 25.40 em x 10.16 ern),

Knowledge Management: Journal