dryland soil 中文意思是什麼
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Study on characteristics of soil moisture and its use efficiency in dryland wheat in the loess tableland
黃土臺塬旱地小麥土壤水分特徵及水分利用效率研究 -
Fluctuation of yield on high - yield field and desiccation of the soil on dryland
旱作高產田產量波動性和土壤乾燥化 -
The mission of the conservation and production research laboratory is to 1 ) develop improved water management methods and irrigation technology for sustaining or enhancing crop productivity, improving water use efficiency, reducing ground water use, and enhancing water and soil quality ; 2 ) develop management practices that optimize the use of water, soil, climatic, and nutrient resources for economically and environmentally sustainable crop and livestock production systems under dryland and limited - irrigation conditions ; 3 ) develop systems for utilizing renewable energy sources ( wind, solar, and biofuels ) for pumping irrigation, livestock, and farmstead water and generating electric power ; 4 ) develop regimens that reduce environmental risks posed by accumulations of feedlot wastes by reducing the phosphorus content, improving nutrient utilization, and applying manure to grasslands
描述:美國農業部保持與生產研究實驗室的主要任務是： 1 .開發水資源管理方案或灌溉技術，提高用水效率，減少地下水使用，改善土壤和水質； 2 .使水資源、土壤資源、氣候和養分資源達到最優化，以保證在乾旱和灌溉條件有限的地區種植業和畜牧業能可持續發展； 3 .開發可再生能源用於灌溉、畜牧飼養和發電； 4 .通過減少磷成分，降低飼養場廢棄物的環境風險，將其施用於牧草地，提高養分利用率。 -
Effects of different fertilizer application countermeasures on the soil nitrate nitrogen accumulation in dryland maize
不同施肥措施對旱地玉米土壤硝態氮累積的影響 -
Characteristics and regulation mechanism of moisture in dryland of latosolic red soil in fujian province
福建赤紅壤旱地土壤水分特性及調控 -
A large number of scientists have made a lot of carefully and thoroughly studying works and obtained many important results for widening absorbing ability of soil water, regulating suitability of roots to water stress, exploiting productive potential of dryland in the last several decades
摘要幾十年來，大量科學工作者為拓寬小麥根系對土壤水分的吸收能力和調控根系對乾旱的適應能力，挖掘乾旱地區的生產潛力，實現高產做了大量細致的研究工作，取得了許多重要研究成果。
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