对不同株型粳稻品种的冠层特征与群体物质生产和产量的关系进行了研究。
Using japonica rice varieties with different plant types, studies were made on canopy properties in relation to dry matter production and yield.
因此，直立穗型水稻群体物质生产能力较强，生物产量较高，这是其最终经济产量较高的物质基础。
So the erect panicle type population has a bigger dry material production capacity and higher biological yield, these are the physical basis of high economic yield.
比叶重、叶绿素含量和群体光合速率等叶片性状与群体干物质生产密切相关。
The relationship of production of population dry matter was strong with the leaf characters such as ratio of leaf weight with leaf area, chlorophyll content and population photosynthetic rate.
高产和超高产品种的物质生产优势表现在生育中期和后期，其生育中期和后期群体生长率显著高于低产品种。
The production superiority of high-yield and super high-yield rice was exhibited during the middle and the late growth stage.
高产和超高产品种的物质生产优势表现在生育中期和后期，其生育中期和后期群体生长率显著高于低产品种。
The production superiority of high-yield and super high-yield rice was exhibited during the middle and the late growth stage.
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