The Effect of perennial and annual grasses mixture in plateau area
高原地区多年生与一年生禾本科牧草混播效果
According to law of community succession , using perennial herbs and shrubs that later successional species displace ragweeds is an ecological control method of weeds.
用演替中后期出现的有经济价值的多年生草本和灌木取代豚草种群，是一种生态防除豚草的有效方法。
Field trials showed that 25% pyrazosulfuron- mefenacet- ethyl EB 185￣370g/667m2 could control the annual weeds in rice fields such as barnyardgrass, difformed galingale and so on.
吡嘧泡腾片剂185￣370g/667m2能有效防除水稻移栽田稗草、异型莎草等一年生杂草,药后28d对稗草、异型莎草的株防效和鲜重防效均在90%以上。
0kg/hm 2,it affects a little for the growth of the potatoes and it can prevent and get rid of the annual weeds like Digitaria sanguinal, Setaria viridis, Echinochloa crusgali,Amaranthus retroflexus,Chenopdium album and so on.
0kg/hm2 范围内 ,对马铃薯的生长发育影响较小 ,可有效地防除马唐、狗尾草、稗草、反枝苋、藜等一年生杂草。
It had good prevention and elimination effect on annual weeds in corn field at the recommended dosage.
8%,对一年生杂草防效显著。
The comparison experiments on 16 annual forage crops were conducted at high-cold dam area in HeBei.
通过对燕麦、大麦、黑麦、箭豌豆等 1 6种一年生牧草、饲料作物在河北坝上高寒地区进行引种、综合评比试验 ,结果表明 ,抽穗期刈割时 ,青永久 0 0 1燕麦最好 ,其次是巴燕 6号燕麦 (两茬 )、冬牧 70黑麦 (两茬 )、青永久 473燕麦。
The Effect of perennial and annual grasses mixture in plateau area
高原地区多年生与一年生禾本科牧草混播效果
a genus of tufted perennial grasses of the family Gramineae.
禾本科一个多年丛生禾草属。
Annual broadleaf and grass weeds are major problems.
主要杂草是一年生阔叶杂草和禾本科杂草。
The annual ryegrass is one of Gramineae forages with high production and rich nutrition.
一年生黑麦草是一种高产、质的禾本科牧草,适应性广,很多国家都已经大面积栽培推广。
Germination Characteristics of Four Perennial Grasses(Poaceae) Seeds in Responses to Sodium Carbonate Stress
4种多年生禾本科牧草种子萌发对Na_2CO_3胁迫的响应
Studies on Drought Resistance Physiological Adaptability of 4 Rhizomatous Grasses;
4种根茎型禾本科牧草抗旱生理适应性的研究
Physiology Response of 12 Grasses to Low Temperature Stress
12个禾本科牧草对低温胁迫的生理响应
tufted or perennial or annual grasses having runners: finger grass; windmill grass.
一个禾本科植物属，有蔓，丛生或多年生或一年生；指状禾草；蔓延阿利昂花。
The Study of Gramineae Forage Germplasm Resources in Inner Mongolia;
内蒙古禾本科（Gramineae）牧草种质资源的研究
The Morphological and Physiological Responses of Leguminous and Gramineous Forage to Cobalt Level of Soil;
豆科与禾本科牧草对土壤钴水平的形态与生理响应
"Rice: Edible starchy cereal grain and the annual grass (Oryza sativa, family Poaceae, or Gramineae) that produces it."
水稻(栽培稻): 禾本科一年生禾草类植物和其生出的可食用、淀粉质的谷物。
" Rice： Edible starchy cereal grain and the annual grass (Oryza sativa, family Poaceae, or Gramineae) that produces it."
水稻(栽培稻):禾本科一年生禾草类植物和其生出的可食用、淀粉质的谷物。
Efficient Test of Weed Control of 108g/L Haloxyfop-p-methyl EC in a Peanut Field
高效氟吡甲禾灵108g/L乳油防除花生田1年生禾本科杂草药效试验
The Making of the Plant Growth-Promoting Rhizobacteria Bio-fertilizer and Effects on Highland Barly;
禾本科牧草根际促生菌肥（PGPR菌肥）研制及其促生效应研究
Effect of Harvest and Clipping Intensities on Physio-ecology and Nutrient Composition of Two Gramineous Grazing
收获期和刈割强度对两种禾本科牧草生理生态及营养价值的影响
a genus of grasses of the family Gramineae grown in America and Asia.
长于美洲和亚洲禾本科的一个禾草属。
Coupling Effects of Water and Fertilizer on Seed Yield and the Yield Performance of 6 Grasses Species;
水肥耦合对6种禾本科牧草种子产量和生产性能的效应
Screening Efficient Associative Nitrogen-fixing Bacteria on Three Gramineous Forages and Developing Microbe Inoculant;
三种禾本科牧草高效联合固氮菌的筛选和微生物接种剂的研制