vetch的例句大全

The technique of fertilization for high yielding of Chinese milk vetch seeds

紫云英种子高产施肥技术

In addition K-Cl ratio was less than 4 in the upper leaves in common vetch treatment, and in the rest it was more than 4.

除苕子处理上部叶钾氯比小于4，其余均大于4。

Effect of Oat Intercropped with Common Vetch on Aftercrop Yield

燕麦间作箭筈豌豆效应对后作产量的影响

Applying nitrogen fertilizer could enhance the fresh weight and dry weight of Chinese milk vetch, but it had negative effect on the formation of root nodule and the biological nitrogen fixation.

施用氮肥能促进紫云英干物质的积累和鲜草产量的提高，但对其根瘤的形成及生物固氮有负面影响。

Botanic characters of shining leaf purple flower vetch plants in different productive areas in Liangshan prefecture Studies on Water Demands and Botanic Characteristics of Alfalfa in the Suburb of Beijing

凉山不同产区光叶紫花苕植株植物学性状的分析研究京郊地区苜蓿需水规律与植物学特性的试验研究

Alfalfa leaf extract effeced the fresh weight of showy chloris, stolon-bearing bent grass, bahia grass, redroot amaranth and crown vetch, they were lighter than control ( P < 0.05).

提取物对受体植物的幼苗鲜重均有不同程度的影响，虎尾草、匍匐翦股颖、巴哈雀稗、反枝苋和多变小冠花幼苗鲜重明显降低，与对照差异达显著水平（P

Field studies were conducted in red soil hilly region to investigate the effects of winter legume crops, rapeseed crops and fallow in upland agricultural soils, and milk vetch and fallow in paddy field on nitrous oxide ( N 2O) emissions.

研究了红壤丘陵地区大田条件下旱地种植冬季豆科作物、油料作物、休闲，以及水稻田冬季休闲、种植紫云英绿肥后，土壤氧化亚氮（N2O）的排放。

Effect of N · P · K Balanced Fertilization on Yield of Chinese Milk Vetch

N·P·K平衡施肥对紫云英产量的影响

Incorporating Chinese Milk Vetch into soil can reduce the chemical N fertilizer application rate by 44%, and also diminish the environmental risk of N runoff.

利用豆科紫云英轮作还田，可降低44%的无机N肥用量，溶解性N浓度显著降低，是减小稻季N肥流失环境风险的有效途径。

The effect of additives including milk vetch, CaCO_3 and bentonite on the toxicities of copper and cadmium in soil extracts and their forms were emphatically discussed in the present paper.

本文着重讨论添加物紫云英、CaCO3、膨润土对土壤提取液中Cu、Cd的降毒效应及其金属形态的影响。

A study of the fertilizer efficiency of Milk-vetch ⅱ. the nitrogen fractions extracted with 0.5N neutral ( ph 7.0) sodium pyrophosphate solution

紫云英绿肥的肥效研究&Ⅱ.用0.5N中性（pH7.0）焦磷酸钠溶液提取的氮组分

The proper milk-vetch application rate was about 22,500 kg/ ha.

试验表明，紫云英的施用量以每公顷22500公斤左右为宜。

Study on Sources of Organic Nitrogen in Chinese Milk Vetch on Red Paddy Soil

红壤性水稻土紫云英有机氮素形成特征的研究

The elenium contents of rice and Milk-vetch were significantly increased by spraying exogenous selenium.

对水稻和紫云英分别喷施外源硒均能显著提高其含硒量。

the research on the effect of coupling of water and fertilizer on seedling biological characteristics of chinese milk vetch

水肥耦合对紫云英苗期生物学特性影响的研究

the research is mainly on the effect of coupling on seedling biological characteristics and quantitative analysis of growing development of chinese milk vetch.

本文研究水肥耦合对紫云英苗期生物学特性的影响，对水肥耦合影响紫云英的生长发育进行定量。

the produce present situation of chinese milk vetch in xinyang and the effect of using phosphate fertilizer to chinese milk vetch

信阳紫云英生产现状及施用磷肥效果试验

the effect of milk vetch used both as fertilizer and feed and application of pig's feces and urine to field on soil fertility and productivity of rice and pigs

紫云英肥饲兼用&猪粪尿还田对土壤肥力与水稻、生猪产量的影响

the experiment was conducted between may, 1998 and april 1999, with bare milk vetch ( common vetch in short) seeds as the subject seeds.

本次实验时间是1998年5月至1999年4月，实验用种为光叶紫苕（简称苕子）种子。

integrated technique to obtain the high yield of seed production for chinese milk vetch ( astragalus sinicus) study on high-yield technology of spring corn in the field of northern shaanxi plateau

紫云英新品种种子高产配套技术研究陕北沟谷地春玉米高产配套技术试验