就全世界而言，农村妇女在马铃薯的保存、选种、种植、收获、储藏和销售方面发挥着至关重要的作用。
播种育苗主要技术包括种源选择、圃地整理、播种及圃地病虫害防治等；
而提高粮油单产则需采取：切实加强农作物优良品种的选育与推广；
1·So the important basis that the dissection structure of the poplar timber can be cultivated as the index, seed selection breeding and orientation of appraising the poplar material, quality.
因此杨树木材的解剖结构可以作为评价杨树材性、品质的指标和选种育种及定向培育的重要依据。
2·The paper discuss the seed selection, management and maintenance on the golf course, include irrigation, fertilization, insects and disease control, and weeds control which performed on golf course.
本文探讨了高尔夫球场选种与养护管理中一些问题，包括水肥管理、病虫害防治、杂草防除等。
3·It is mainly applied for separation of conductor and non-conductor minerals and classification of planting materials instead of screening operation as well as food processing and seed selection.
主要应用范围：主要用于导体矿物与非导体矿物的分选，也可以代替筛分作业，用于多种物料的分级，以及用于粮食加工和部分选种工作中。
1·The seed selection success of overlapping spike not only increases crop type, but also enriches the gene pool in barley.
它的选育成功，不仅增加了作物的类型，而且丰富了大麦的基因库。
2·Article 16 The State encourages and supports seed selection, breeding and propagation of fine varieties of aquatic species.
第十六条国家鼓励和支持水产优良品种的选育、培育和推广。
3·The invention provides tomato long stigma type high temperature sensitive male sterile line seed selection and a hybridized seed production method.
本发明提供了一种番茄长柱头型高温敏型雄性不育系选育及杂交制种方法。