the national tree-planting festival 全国植树节 tree-planting date 植树日 the national compulsory tree-planting activities 全国义务植树活动 ..
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文章详细信息 关键词： 播期;;饲用玉米;;生长发育;;产量 [gap=1430]Keywords: Planting date;Forage maize;Growth and development;Field
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planting date experiments 播种试验
flexibility of planting date 灵活播种期
planting date and seed rate 播期播量
Intelligent decision refers to the optimization of planting scheme ,for example, the selection of crop variety, planting date and sowing depth reasonably.
智能决策主要指种植方案优选，如品种筛选、播期选择、播深确定等，它的核心是小麦玉米连作模型。 这部分也是用户在生产中关心的主要问题之一。
参考来源 - 智能化小麦玉米连作系统模拟及其在互联网上的实现The Effects of planting date, type of training and pollination times on seed yield and quality in carrots were studied in this paper.
本试验研究了胡萝卜老株采种中定植期、整枝方式及授粉时期三个因子对种子产量和质量的影响，并对主枝与侧枝、种盘外中内不同部位的种子产量和质量，以及种株生长发育进行了分析比较。
参考来源 - 定值期、整枝方式和授粉时期对胡萝卜种子产量及质量的影响Different planting date experiments of hybrid corn Gudin No. 1 were conductedfrom 1988 to 1989 in Guangzhou.
用玉米杂交桂顶1号，于1988～1989年在广州分期播种试验。
参考来源 - 广州地区玉米生产的农业气象条件分析·2,447,543篇论文数据，部分数据来源于NoteExpress
So adjusting rice-planting date and high temperature tolerant breeding to mitigate high temperature harm were recommended in this region.
因此，生产上应采取适当调整播期以避开花期高温高发期和培育抗高温品种等技术措施，以减轻和避免高温引起的危害。
Hu Mulberry sericulture, axillaries access date, three-dimensional orchard planting technique has been mastered by the masses.
胡桑养蚕、酸枣接大枣、果园立体种植技术已被群众所掌握。
Hebei is a major province of fruits production. The planting area and yield of pear, date, chestnut and peach in Hebei rank the top place in China.
河北省是果品生产大省，梨、枣、板栗、桃等多种果品的产量和面积居全国首位，是河北省传统优势出口产品。
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