...陇东黄土高原 作物-家畜系统 饲草产量 轮作系统 [gap=1713]Keywords : Forage crops; dry matter yield; croplivestock farming system; Longdong loess plateau ...
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分析降水差异对陇东黄土高原玉米叶面积和单株干物质积累及产量的影响。
It studied the impact of precipitation difference to leaf area and single trunk dry matter accumulated and output of maize on loess plateau in east of Gansu province.
论述了陇东黄土高原沟壑区干旱草地的生境条件,草地生产能力、生产现状及存在的问题。
The paper discussed the habitat condition, grassland production ability, current production situation and existing problems of arid grassland in Loess Plateau of east Gansu Province.
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