查询词典 sainfoin

Grass that is adapted to Qinghai-Tibet Plateau are: caragana, sand sagebrush, lucerne, sweet clover, sudan grass, ryegrass, lyme grass, astragulus adsurgens, puccinellia tenuiflora, bromus inermis, agropyron elongatum, harmel, siberian wildrye , sainfoin, tall fescue , red fescue, cynodon dactylon, zoysia, clover, bluegrass, ryegrass etc..

适合我们青海高原种植的草有：柠条、沙蒿、紫花苜蓿、草木犀、苏丹草、黑麦草、披碱草、沙打旺、星星草、无芒雀麦、冰草、骆驼蓬、老芒麦、红豆草、高羊茅、紫羊茅、狗芽根、结缕草、三叶草、早熟禾、黑麦草等；适合种植的树木品种有：雪松、青海云杉、侧柏、祁连圆柏、速生杨、落叶杉、新疆杨、青海榆树、红柳、垂榆、刺槐、丁香、云杉、沙棘、枸杞等。

On the basis of long-term experiment, changes in soil organic C, N and dynamics of soil NO〓-N of cropping systems were investigated in gully area of the Loess Plateau by means of analysis of the 15-year soil samples, crop yield in following crop systems: 1 continuous winter wheat with unmanured , nitrogen, organic manure , phosphorus and organic manure , nitrogen and phosphorus , nitrogen, phosphorus and organic manure , 2 continuous alfalfa, 3 pea-winter wheat rotation, winter wheat-sainfoin rotation, and 4 bare fallow. A model was developed according to the organic C dynamics, and was tested by the long-term experiment.

本文以中国科学院长武试验站的长期试验（始于1985年）为依托，通过对典型处理8-15年的土壤养分、作物产量以及同期降水量等的系统分析，揭示了黄土旱塬区不同种植体系中土壤有机碳、氮的演变规律；阐明了长期施肥条件下土壤硝态氮的迁移积累机理；提出了目前水肥条件下黄土旱塬区冬小麦生产潜力及其提高途径。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。