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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。
- How can people make a living in this arid area? 这片不毛之地上的人们怎么谋生呢?
- Semi arid areas 半干旱地区
- Eke a bare existence from farming in an arid area. 在贫瘠的地区耕作以勉强度日
- 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。
- The next battle will be rehabilitating more arid areas of China. 下一场战役是恢复中国更干旱的地区。
- 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。
- 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。
- Northwest arid and semi - arid areas 西北干旱半干旱地区
- 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。
- As the atmosphere has warmed over the past century, droughts in arid areas have persisted longer, and massive bursts of precipitation have become more common. 因为大气在上个世纪已经开始变暖,所以干旱地区的旱灾也持续得更长久,集中的降雨量也更加常见。
- Fan-shaped lands are the main places of formation and evolution of oases in arid areas. 摘要扇形地是干旱区绿洲形成与演变的主要地方。
- Their ability to survive in arid areas unsuitable for farming became a premier benefit of these new breeds. 牛在不适于耕作的贫瘠土地上的生存能力是这个物种首要的优点。
- Cutting or digging shrubs,medicinal herbs or other sand-fixation plants on desert or semi-desert grasslands or in arid areas shall be prohibited. 禁止在荒漠草原、半荒漠草原和沙化地区砍挖灌木、药材及其他固沙植物。
- About 10 percent of them,mainly the arid areas in the Northwest and some areas in the Southwest,have not yet lifted themselves out of poverty. 有百分之十左右的农村地区还没有摆脱贫穷,主要是在西北干旱地区和西南的一部分地区。
- Semi arid region of Chinese Loess Plateau 黄土高原半干旱地区
- This becomes very obvious in arid areas like Xinjiang, where plant and animal life as well as human life is restricted to small oasis, which receive water. 这个概念在干旱地区(如新疆)非常明显,植物、动物以及人类的生活都被严格限制到了有水的绿洲上。
- Microwave signatures over carbonate sedimentary platforms in arid areas: Potential geological applications of passive microwave observations? 在干旱地区碳酸盐沉积台地上的微波信号:被动微波观测能否用于地质?
- The paper proposed a research method considering EWR of the river corridor as EWR of the natural oasis and thus developed an EWR model for arid areas. 提出了以河流廊道的生态需水作为天然绿洲生态需水的研究方法,以此建立了干旱区生态需水模型。
- About 10 percent of them, mainly the arid areas in the Northwest and some areas in the Southwest, have not yet lifted themselves out of poverty. 有百分之十左右的农村地区还没有摆脱贫穷,主要是在西北干旱地区和西南的一部分地区。