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不同栽培方式对双季稻株两优4024与H优159产量形成及光合特性的影响

Agricultural Science & Technology(2015)

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Abstract
为探明杂交早稻组合株两优4024和晚稻组合 H优159作双季稻种植的适宜栽培方式,研究了抛秧和移栽2种栽培方式对其剑叶 SPAD 值、剑叶光合速率、产量及产量构成因素的影响。结果表明,抛栽方式有利于株两优4024和 H优159增产;抛栽水稻齐穗后剑叶具有较高的叶绿素含量和光合速率,且下降较缓慢是其高产的生理基础。
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