purity of seed meaning in English

种子纯度

For cross corn seed , the purity of seed increase 1 % , the crop output will increase 10 %
对杂交的玉米种子来说，种子纯度提高1 ，作物产量可提高10 。
Image processing is more and more important in the way of agricultural application vigor and purity of seed is very important target for the seller and user
种子的纯度与活力对种子的销售者和使用者来说都是非常重要的指标。
In the recent years , because of vigour and purity of seed , it is universal that output decreased and sterilized . economic loss is enormous
近年来全国各地因种子纯度和活力等造成作物减产，绝收的情况时有发生，经济损失巨大。
The common method , such as protein electrophoresis , tetrazole staining burgeon experiment and farm experiment can measure vigour and purity of seed , but it can not be satisfied for actual request of seed producing in the way of speed and precision of data processing and result analyse
蛋白电泳、四唑染色、发芽率实验和田间实验等常规方法虽能测定种子纯度和活力，但在数据处理的速度、精度和结果分析等方面远远不能满足种子生产的实际需要。