温室番茄植株养分和光合对水肥耦合的响应及其与产量关系

王虎兵,曹红霞,郝舒雪,潘小燕

Responses of Plant Nutrient and Photosynthesis in Greenhouse Tomato to Water-Fertilizer Coupling and Their Relationship with Yield

WANG HuBing,CAO HongXia,HAO ShuXue,PAN XiaoYan

表6 番茄叶绿素含量和净光合速率与叶片养分含量相关关系

Table 6 Correlation of chlorophyll content and net photosynthetic with leaf nutrient content of greenhouse tomato

指标 Index N P K 52 d 65 d 90 d 118 d 52 d 65 d 90 d 118 d 52 d 65 d 90 d 118 d 叶绿素含量 Chl 0.921** 0.683* 0.917** 0.879** 0.781** 0.832** 0.807** 0.742* 0.840** 0.773** 0.828** 0.835** 净光合速率 Pn 0.773** 0.716* 0.955** 0.776** 0.820** 0.813** 0.828** 0.473 0.886** 0.820** 0.861** 0.782**