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- According to the character of vegetations and geography, Songhua lake Nature Reserve was divided into five kinds of habitats, artificial larch tree, cutting blank, lakefront wetland, farmland region, crude redeposit broad leaf weed tree forest. 根据植被和地形地貌特点,作者将松花湖库区划分为五种生境,即人工落叶松林(A)、采伐迹地(B)、湖边湿地(C)、农田(D)和天然次生阔叶杂木林(E)。
- SYP-300 showed good herbicidal activity to broad leaf weeds at 100 g a. SYP-300在温室条件下100ga.
- Phenylurea herbicide belongs to an important class of contact herbicides that have been used for pre- and post-emergence control of annual grass, and many broad leaf weeds in many crops acting by inhibition of photosynthesis. 苯脲类除草剂作为一类重要的除草剂,广泛应用于不同农作物的芽前和苗后的一年生杂草,特别是一年生宽叶杂草。
- broad leaf weed 阔叶杂草
- Effects of two kinds of herbicides on control broad leaf weeds in lily field by soil treatment 除草剂土壤处理对百合地双子叶杂草防除效果
- 10% BK mixture was used to control broad leaf weeds, and the effective rate was 91.7%. 25% Bntazone solution was used to control Cyperus weeds, and the effective rate was 91.7%. 阔叶杂草的防治用 10%25BK合剂防效达 91.;7%25;莎草科杂草的防治用 2 5%25苯达松水剂;防效达 91
- The primary vegetation is broad leaf forest and it was denuded in the history. 当地的原始植被为常绿阔叶林和落叶阔叶林，但均遭到严重的破坏。
- Gay Broad leaves shone and swung in rhyme. 轻盈的宽叶子有节奏地闪烁摇摆。
- Broad leaves shone and swung gayly in rhyme. 树上的绿叶闪闪发光， 有节奏地快乐地摇摆着。
- Cryptocoryne undulata "broad leaves". 现在子孙已堆满堂。
- North American plantain having reddish leafstalks and broad leaves. 北美车前，叶柄带红色，叶宽。
- North Australian tree having white flowers and broad leaves. 澳大利亚北部的一种乔木,花白色,叶宽阔。
- She wove herself a bed with blades of grass, and hung it up under a broad leaf, to protect herself from the rain. 她用草叶为自己编了一张小床，把它挂在一起大牛蒡叶底下，她使得雨不致淋到她身上。
- Average annual evapotranspiration in the monsoon evergreen broad leaf forest is 948 2 mm, which amounts to 49 7% of annual precipitation. ( 4 )季风常绿阔叶林多年平均蒸散 948.;2 mm;占同期降水量的 49
- The mean seed number per pod was 2.94 seeds and 2.4 to 2.64 seeds in the narrow and broad leaf varieties (lines), respectively. 圆叶品系以三、二粒荚为主，平均荚粒数2.;40－2
- This species is recognized by the combination of broad leaf blades with hirsute sheaths and a glandular panicle of small spikelets. 本种是通过宽的叶片具具粗毛鞘和一种小的小穗的具腺的圆锥花序的结合的承认。
- The broad leaf Bupleurum chinense and the long leaf Bupleurum chinense were two excellent resources worthy of further research and use in Bupleurum chinense populations. 宽叶型和长叶型柴胡是值得深入研究利用的柴胡优良种质资源。
- In both of the mix broad leaf sample and single oak leaf sample in the oak stand, N, P, K, Ca and Mg released (except N in mix broad leaf sample) during decomposition process. 落叶分解过程中营养元素残留量变化,蒙古栎纯阔叶、蒙古栎林混合落叶分解过程中N、P、K、Ca和Mg等无机养分元素都随分解而释放(除蒙古栎林混合落叶中N元素)。
- The effect of Langdujing I herbicide at the level of 1500ml/hm2 was the best in controlling Euphorbia fisheriana and there was not the side effect on the broad leaf grass . 狼毒净1号除草剂在1500ml/hm2用药量时对狼毒的防除效果最好,并且对禾草和阔叶牧草没有副作用,在海北有一定推广价值;
- Although "Broad leaf deciduous forests in temperate zone" has good aggregation ability and comparability, as well as short patch distance, its natural cohesion ability is poor. “裸地/城镇”的斑块间距最大，相似性程度低，聚合性弱，异质性最高。
- 今日热词
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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
