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水稻旱床育秧高产的生态、生理、生化特性研究

水稻旱床育秧高产的生态、生理、生化特性研究

ISSN:1001-8581
1995年第7卷第1期
涂枕梅 李会兴

研究结果表明,旱床育秧在旱态条体下,秧苗根系发达,有抗逆、早发、早熟、高产的生长优势和生理生化基础,早稻理论产量分析,比水育秧增产8,9%~22.0%,同江西1991年7.89万公顷大面积试验示范、每公顷增产稻谷901.5公斤、增产16.4%的结果相吻合。

When they were raised on dry land, rice seedlings were well-developed in roots,resistant to stress,early in tillering maturity 1 and showed promlse for growth and higti-yieldness.According to theoretical analysis,this seedling-raising technique caused a yield in-cerease of 8.9~22.0 percent over the conventional one(i.e,raisling seedlings on irrigated land),as was demonstrated in 1994 when this technique was applied to about 79000 hectare of paddyfield, causing 900kg.ha-1 or 16.4 percent of average yield increase.

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ISSN:1001-8581
1995年第7卷第1期

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