hard seed rate 硬实率
cone seed rate 球果出籽率
higher seed rate 播种量高
yellow seed rate 黄籽频率
seed rate control 播种量调节
increase seed rate 提高结实率
planting date and seed rate 播期播量
lever for regulating seed rate 播种量调节杆
seed lift rate 籽晶升降速率 ; 亚麻种籽
Results showed that the hard seed rate of A. cicer was high because of impermeability.
结果表明：该草种子硬实率高，造成硬实的主要原因是种皮的障碍作用。
At natural condition rate of stigma exsertion has the positive proportion with seed rate.
在自然条件下，柱头外露率与异交结实率成正相关。
The paper introduced the structure, basic principles and control patten of seed rate of the double hole.
介绍了复式型孔的结构、基本原理和控制排种量的方式。
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