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Effect of weeds on rice yield

Effect of weeds on rice yield

Lavoura Arrozeira 27(278): 48-50

Plots of rice CICA-4 and EEA-404 sown on 21 Dec. were hand-weeded at different dates, or treated with a herbicide, or left unweeded. Yields were affected by bird attacks, but it was concluded that competition between weeds and rice had the greatest effect on yield from germination to about 75 days later, the most critical period being from 15 to 30 days from germination.

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