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Weed biomass

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Cultural weed control<br />

<strong>Weed</strong> control in rice an excellent example<br />

Standing water: inhibits germination of weed seeds<br />

Transplanting: provides the crop with a head start<br />

Developments in S.E.Asia<br />

Limiting resources:<br />

• onfarm labour<br />

• water<br />

(land preparation175750 mm)<br />

→ shift towards direct seeded<br />

aerobic rice

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