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1·The spring-sowing time has set in.

春播季节到来了。《新英汉大辞典》

2·Effect of sowing time on n, P, K and the nutrient accumulation of sweet corn seed.

不同播期对甜玉米籽粒n, p, K及可溶性糖的积累的影响研究。

3·Installing a light in every line, the indicator is often in the off state at normal sowing time;

每行安装一个指示灯，正常播种时，指示灯处于常灭状态；

4·Influence of variety, density and sowing time on radish yield was studied utilizing orthogonal test.

采用正交试验设计，研究萝卜不同品种、密度、播期对产量的影响。

5·The best sowing time of Haloxylon ammodendron in the east of Helan Mountain in Ningxia autonomy is studied.

目的：研究确定宁夏贺兰山东麓梭梭育苗的适宜播种期。

6·The relationship of soil temperature, soil humidity, sowing time and occurrence of maize head smut were studied.

主要研究土壤温度、湿度及播种期与玉米丝黑穗病发生的关系。

7·The study of influence of sowing humidity, irrigation and sowing time on the growth and yield of cotton was carried out in this paper.

通过播墒、灌水次数、播期对棉花的生长发育和产量的影响进行研究。

8·The knowledge model for suitable sowing time is based on the synchronization between the maize growing process and the suitable season.

依据玉米生长发育进程与最佳季节同步原理，建立了玉米适宜播期确定知识模型。

9·The growing density of red bean is influenced with various factors such as fertility of soil, annual climate condition and sowing time.

红小豆的密度与土壤肥力的高低、年际气候条件和播期等因素有关。

10·When sowing time was later, the nutrition growth period was prolonged, the leaf area index was increased, and budding stage was prolonged.

晚播可延长营养生长的时间，增大叶面积指数、延迟现蕾、集中结铃作用明显。