查询词典 Trifolium

The planting experiment of Trifolium repens L.

三叶草的播种实验表明，适宜的播种时期：春播为4月下旬，秋播为9月上中旬。

It was concluded therefore that fertilization can be used to strengthen the competitive ability of perennial ryegrass and Trifolium repens with crofton weed, so crofton weed was restrained effectively.

因此可以建议，在土壤肥力较差时，可以通过施肥等措施来加强黑麦草和白三叶的竞争力，从而达到控制紫茎泽兰的作用。

The growth character of crofton weed in mixture transplanting with different green bristlegrass perennial ryegrass and Trifolium repens under different management conditions was studied.

以狗尾草、黑麦草、白三叶为材料研究了混栽其中的紫茎泽兰在不同肥力条件下的生长状况。

Trifolium repens was not worth advocating because of its lower yield though it contained high protein content.

籽粒苋产量高；俄罗斯饲料菜切根繁殖，繁殖力极强，不限地区，不择土壤，"一劳永逸"，可种植推广。

The experiments were carried out to study the efficiency of sod-culture and AMF infecting to early pear, the results indicated as follows: Experiment 1 Study on the effects of sod-culture on the environments of early pear orchard By field experiment, the effects of seeding Trifolium repen L.

本论文从生草栽培和菌根效应对早熟梨生长的影响入手，作了以下研究：试验1 生草对早熟梨果园微环境的影响通过田间试验研究了单独播种白三叶草、黑麦草和混播白三叶草与黑麦草对早熟梨园微生态环境的影响。

Amaranthus retroflexux L. and Trifolium repens L.. The result showed that three different extracts inhibited the germination rate of seeds and inhibited the growth of seeding and young root. The experiment showed that White clover existed obvious allelopathy and autotoxidity effect.

结果表明，地上部分水浸液、挥发物和根系分泌物显著抑制了反枝苋、苘麻和自身种子的发芽率，三部分提取物显著的抑制了苘麻、稗草和自身种子在萌发过程中芽长和根长的生长；试验表明白三叶草存在明显的化感作用且有一定的自毒作用。

The first part is to selection 16 plants,including kummerowia striata、Lotus corniculatus、Cajanus caja、Indigofera pseudotinctoria etc leguminous plants, and Cynodon dactylon、Vitex negundo etc other family plants. The second part is the experiment of compound combination:namely,A: Eragrostis curvula (60%)+ Lotus corniculatus(20%)+ Trifolium repens(20%)、B:Cynodon dactylon(60%)+ kummerowia striata(20%)+ Lotus corniculatus (20%)、C: Festuca arundinacea(40%)+ Festuca rubra (20%)+ Vitex negundo(15%)+ Lespedeza formosa(10%)+ Indigofera pseudotinctoria(15%)、D: Festuca arundinacea (40%)+ Festuca rubra (20%)+ Indigofera pseudotinctoria (15%)+ Rhus chinnensis (15%)+ Robinia pseudoacacia (10%).

本研究分两部分进行，第一部分为：防护植物筛选试验，包括鸡眼草、百脉根、木豆和马棘等豆科植物与狗牙根、荆条等其它科植物共16种；第二部分为四种人工混播组合：即，A弯叶画眉草(60%+百脉根(20%)+白三叶(20%)、B狗牙根(60%+鸡眼草(20%)+百脉根(20%)、C高羊茅(40%+紫羊茅(20%)+荆条(15%)+美丽胡枝子(10%)+马棘(15%)、D高羊茅(40%+紫羊茅(20%)+马棘(15%)+盐肤木(15%)+刺槐(10%)。

The stress resistance of common roof garden plants, e.g. Dahlia hybrida, Callistephus chinensis, Calendula officinalis and Chrysanthemum multicaule were determined by mensurating such index as chlorophyll content, electrolyte leakage, water content, Pro content, MDA content and dissoluble sugar content. The result indicates that Dahlia hybrida is the best, Callistephus chinensis next, Calendula officinalis and Chrysanthemum multicaule are weaker as to drought resistance;while in the experiment on coldness resistance, the ability to bear coldness ranks from the best to the worst is Poa annua, Festuca arundinacea and Trifolium.

对小丽花、矮翠菊、金盏菊与黄晶菊等常见城市绿化植物进行的抗逆性试验研究，测定了叶绿素含量、膜相对透性、相对含水量、脯氨酸含量、丙二醛含量、可溶性糖含量等指标，结果表明：在抗旱性试验中小丽花的耐受性最强，矮翠菊次之，金盏菊与黄晶菊的耐受性较弱：抗寒性试验中所选植物材料的耐受性次序分别是早熟禾强于高羊茅强于三叶草。

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The Fabaceae have a worldwide distribution and many are of economic importance, including peas, beans, lentils, and peanuts. Others are used for forage, e.g. clovers and Lucerne. There are also ornamental species such as lupins.

Fabaceae 具广泛的分布，并且许多具有重要的经济价值，如豌豆（豌豆 Pisum sativum ）、菜豆(菜豆属 Phaselous 和蚕豆属 Vicia)、小扁豆(兵豆属 Lens culinaris)以及花生(花生属 Arachis byopqea)，其余的用作牲畜饲料，如三叶草（三叶草属 Trifolium ）和紫花苜蓿(苜蓿属 Medicagosation)，还有一些是仅供观赏之用的，如羽扇豆(羽扇豆属 Lupinus)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。