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- Picea asperata seedling stage 云杉苗期
- Rotation of picea asperata for pulpwood was tentatively determined as 25 year. 初步认为云杉纸浆材培育周期为25年。
- Advances in Genetic Improvement of Spruce in Abroad and Breeding Strategies of Picea asperata Mast. 国外云杉遗传改良现状和粗枝云杉育种策略。
- Effects of Shade and Exogenous Abscisic Acid (ABA) Application on the Drought Tolerance of Contrasting Populations of Picea Asperata Mast. 遮荫与外源脱落酸喷施对粗枝云杉(Picea asperata Mast.;)不同种群抗旱性的影响
- On the basis of a comprehensive analysis four different provenanceareas have been divided for woodpulp stands of Picea asperata. 经过综合分析,在四川省将粗枝云杉纸浆材种源林分划分为4个种源区。
- Picea asperata Mast. [医] 云杉
- Population Dynamic of Aphids and Predatory Natural Enemies in the Seedling Stage of Bupleurum Chinese Dc. 柴胡苗期蚜虫及捕食性天敌种群消长动态研究。
- Clomazone and its mixture can cause albinism at seedling stage of maize, but are safety to the following wheat. 广灭灵单剂及其混剂在玉米苗期可引起玉米白化现象,但对后茬小麦的生长较安全。
- NEA Couldpromote root growth of nc wheat, soybean and sugarbeet at seedling stage. 壮根素系列产品能明显促进水稻、小麦、大豆和甜菜苗期根系发育,促进作物产量提高。
- The safety of acylamino-herbicide propisochlor and metolachlor to adzuki bean in seedling stage was studied. 针对当前红小豆农业生产中大量应用的酰胺类除草剂异丙草胺、异丙甲草胺,研究其对红小豆苗期的安全性。
- Effects of seedling stage,genotypeand explant type on in vitro somatic organogenesis of cucumber were investigated. 研究了苗龄、基因型和外植体类型对黄瓜离体器官发生的影响。
- Eight single QTLs and five pairs of epistatic QTLs were detected for ABA sensitivity at seedling stage. 仅一个共同的QTL同时控制发芽阶段和苗期对ABA的敏感性。
- Phyllobius sp. of Picea asperata 云杉树叶象
- Natural forest of Picea asperata 云杉天然林
- The content was high in stem at seedling stage and pegging stage and in underground-organs at pod-filling stage. 全生育期叶片和茎中的硝酸盐含量随生育进程逐步降低,而籽仁和果壳中含量逐步增加;
- The flower bud differentiation was faster in seedling stage than that in vine growth stage. 不同生长阶段花芽分化速率不同,苗期较快,抽蔓期较慢;
- Cowpeas were seriously damaged by the pest in the new seedling stage and the later pod stage. 豇豆苗期前期及结荚后期受此虫为害较重,秋植豆受害较春夏植豆重。
- Its growth cycle is divided into five periods, emergence, seedling stage, bolting stage flo-rescence and silique mature period. 生育周期划分为出苗期,苗期,蕾苔期,开花期和角果成熟期。
- BEC (boron efficiency coefficients) of NW20 and NW933 were respectively 0.51 and 0.10 at seedling stage and 0.38 and 0 at seeding stage. 以同一生态型苗期地上部生物量或结实期种子产量缺硼处理与施硼处理之比为硼效率系数。 苗期NW20和NW933硼效率系数分别为0 51和0 10;
- The leaf NRA lowered with the passage of time, and the tendency among the genotypes at the seedling stage (20 d) was similar. 随着苗龄的增大,水稻幼苗(20d)叶片NRA降低,但基因型之间的差异仍保持着相似的趋势。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries