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- fencing sandy land 封育沙地
- The results showed that with the improvement of the environment, the ramet number on fenced sandy lands decreased, while the leaf length, leaf length/width ratio, and the longest ear length increased. 结果表明:随着环境条件的改善,狗尾草的分蘖株数逐渐减少,而围栏内狗尾草叶长、叶片长宽比和最大穗长增大;
- Characteristics of the soil seed bank at the fenced sandy meadow in Horqin Sandy Land 科尔沁沙地围封沙质草甸土壤种子库特征的研究
- Study on Population Stability of Picea mongolica on Sandy Land. 沙地云杉种群稳定性研究
- Study on eco-agricultural model in coastal sandy land. 滨海砂地生态农业模式研究
- Pioneer Tree Species for Forestation in Sandy Land--Hippophae rhamnoides L. 沙地造林的先锋树种-沙棘。
- Natural regeneration of Pinus sylvestris var. Mongolica plantation on sandy land. 樟子松人工固沙林天然更新特征。
- Studies on the Water Transport Characters in SPAC System of Mu Us Sandy Land in Ningxia. 宁夏毛乌素沙地SPAC系统中水分运移特征的研究。
- Investigation on Helianthus tuberosus L. Growing in Sandy Land of the Eastern China. 我国东部沙地菊芋生长的调查研究。
- The unstable factors in the sandy land agricultural development in Yucheng and countermeasures. 禹城沙地农业发展中不稳定因素及其防治
- Spectral data of sandy land are changed with vegetation coverage,vegetation ty... 沙化土地光谱数据表现出随植被覆盖、植被类型、土壤、地类等的变化规律。
- Evaluation result shows that desertification in Mu Us Sandy Land is very serious. 对毛乌素沙地评价结果表明,毛乌素沙地荒漠化十分严重。
- Sandy desertification is the main ecological problem the Otindag Sandy Land at present. 沙漠化是浑善达克沙地面临的主要环境问题。
- There are 1106 species of high vegetation in Maowusu sandy land and they belong to 98 families and 420 genuses. 摘要毛乌素沙地的高等植物共有1106种,分属于98科420属。
- Soil erosion by wind is one of the main natural disasters on the sandy land in West Jilin Province. 摘要风蚀危害是吉林省西部沙地的主要自然灾害之一。
- Note:Data in the table are the figures of the Third National Desertification and Sandy Land Monitoring (2004). 注:本表为第三次全国荒漠化和沙化监测(2004年)资料。
- Natural regeneration ability of woodland-steppe in Kerqin Sandy land were very strong. There were 60 000 elm seedlings/hm~2 in elm woodland-steppe. 科尔沁沙地天然榆树疏林草原的自然更新能力较强,每年可以产生大量的榆树幼苗,疏林地内每个小居群内的幼苗数以1株~10株最多,每公顷疏林地有幼苗6万多株,折合6株/m2,为榆树疏林草原植被的恢复提供了可能。
- Her fencing is very consummating. 她的剑术非常精湛。
- The test showed that the brush cutter had better trafficability on the sandy land and could meet the requirements for harvesting the shrubs. 试验表明,该割灌机在沙地有较好的通过性能,能满足灌木收割的需要;
- In the Horqin sandland, the soil seed bank and the seedling bank in fenced sandy meadow were studied by using methods of sampling quadrats and germinating. 摘要采用野外定点取样和萌发实验相结合的方法,研究了科尔沁沙地围封沙质草甸土壤种子库和幼苗库的特征。
