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- The relationship of competitive ability and productive performance between land race Monkhead and modern variety 8275 of spring wheat in semi arid area of Loess Plateau was invested using de Wit replacement series. 采用deWit替代系列法研究了黄土高原半干旱雨养农业区传统地方品种(和尚头)与现代品种(陇春8275)之间在混播条件下的竞争结局。
- Semi arid climate, poor vegetation cover and highly erodible loess can be regarded as the main natural factors responsible for the formation of hyperconcentrated flows in the Loess Plateau, China. 黄土高原半干旱的气候条件、稀疏的植被和疏松易蚀的黄土物质,是该地区高含沙水流形成的自然地理因素。
- Semi arid region of Chinese Loess Plateau 黄土高原半干旱地区
- Distribution and Accumultion of Nitrate-N profile after long-term Fertilization and Rotation on Arid loess Plateau 黄土旱塬长期轮作施肥土壤剖面硝态氮的分布与积累
- On an arid expanse of the Loess Plateau, farmer Ren Guibao trudges uphill with cornstalks he'll burn as fuel. 在黄土高原的干旱地区,农民任贵宝背着他用作燃料的秸杆爬上高坡。
- "The ancient, desolate loess plateau. “苍凉古老的黄土高原。
- Huaxia Culture takes root in the loess plateau. 华夏文化深深地扎根于黄土高原。
- Township iscan yuan gully region of Loess Plateau. 全乡属黄土高原残垣沟壑区。
- "The ancient, desolate loess plateau . “苍凉古老的黄土高原。
- Aeolian sand, distributed extensively around China?s arid and semi arid zones, is the main bearing body of wind erosion in China. 风成沙广泛分布于我国干旱与半干旱地区,是我国风蚀与风沙活动的主要载体。
- Yang W Z, Shao M A. Study on Soil Moisture in Loess Plateau. 杨文治,邵明安.;黄土高原土壤水分研究
- Water application furrow seeder for arid and semi arid region can carry on the watering operation as sowing and fertilizing with the objective of seedling prevention. 施水沟播机可在起垄施肥播种的同时进行施水作业,从而解决了干旱和半干旱地区的播种保苗问题。
- The benefit and prospect of farmland mulch on Loess Plateau. 黄土高原区农田覆盖效应与前景分析。
- There are several intermittent streams in the Loess Plateau. 在黄土高坡上有数条干涸的间歇河。
- Dideron Sylvie When the Loess Plateau will turn green again? (黄土高原何时再次披上绿装?)
- The situation of water resources deficiency is very scrious in the large areas o f the arid, semi arid even semihumid of Huabel Plain, endangering the agricultur al sustainable development. 华北平原广大的干旱、半干旱甚至半湿润区,水资源形势严峻,威胁农业持续发展。
- Study on thinning to Robinia pseudoacacia forest on the Loess Plateau. 黄土高原刺槐林间伐改造研究。
- As the Shang declined, the State of Zhou on the Loess Plateau in the west grew stronger and expanded eastwards. 在商朝日益衰落的时候,来自西部黄土高原的周国却日益强盛,势力不断向东扩张。
- Hilly-gullied Loess region is the most fragile and underdeveloped area of the Loess Plateau. 摘要黄土丘陵沟壑区是黄土高原生态环境极其脆弱,经济发展十分落后的地区。
- An arid plateau of southern Africa. 非洲南部的干旱高原