Response of transplant aman rice varieties to planting spacing
Hosain, Shakil | Islam, Md Rakibul | Hossen, Kawsar
The experiment was conducted at the Field Laboratory of the Department of Agriculture, Noakhali Science and Technology University (NSTU), Sonapur, Noakhali, during July to December 2017 to study the effect of variety and spacing on yield performance of transplant aman rice. The experiment consisted of three varieties viz. Binadhan7, BRRI dhan56 and BRRI dhan71 and four spacings viz. 25 cm × 15 cm, 25 cm × 10 cm, 20 cm × 15 cm and 20 cm × 10 cm. The experiment was laid out in a randomized complete block design (RCBD) with three replications. In case of variety, the highest grain yield (4.502 t ha−1) was obtained from BRRI dhan71 and the lowest grain yield (4.313 t ha−1) was obtained from BINA dhan7. In case of spacing, the highest grain yield (4.701 t ha−1) was obtained from 20 cm × 10 cm spacing and the lowest grain yield (4.146 t ha−1) was obtained from 25 cm × 10 cm spacing. In case of interaction between variety and spacing, the highest grain yield (4.850 t ha−1) was obtained from the interaction of BRRI dhan71 at 20 cm × 10 cm spacing and the lowest grain yield (3.963 t ha−1) was from BINA dhan7 at 20 cm × 15 cm spacing. The study also found that among all three varieties and four spacings used in this experiment, grain yield were not significantly influenced by the interaction of variety and spacing.
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