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1)  Living contour hedge
等高线植物篱
2)  contour hedgerow
等高植物篱
1.
Mechanism and effect of different contour hedgerow types on runoff and sediment erosion in Three Gorges Reservoir Area;
三峡库区等高植物篱的控蚀效益及其机制
2.
Adopting contour hedgerow intercropping to control soil erosion in sloping croplands has an important impact on soil and water conservation.
等高植物篱技术是一种坡耕地上低投入、高收益的保护性耕作和持续利用技术。
3.
Contour hedgerow intercropping as a type of agroforestry system,in which double-row hedges are planted along contour line in slopelands spaced 4-8 m,has been promoted for erosion control,soil fertility amelioration,and soil water storage in tropical mountain areas.
等高植物篱模式就是在坡耕地上每隔4~8m的距离沿等高线将植物篱与作物种植带相间分布的一种农林复合经营模式,用于坡耕地的水土保持。
3)  Contour hedgerow intercropping system
等高固N植物篱
4)  contour living hedgerow technique
等高植物篱技术
1.
Another hand, it showed that Vetiveria zizanioides contour living hedgerow technique could play an important role in the eco-restoration and.
表明香根草植物篱技术在江西萍乡 10—11月反季节应用非常成功 ,证明了香根草等高植物篱技术防护公路边坡的有效性 ,也说明在极劣地利用香根草进行生态恢复 ,一年四季皆可取得成功。
5)  contour hedgerow system
等高固氮植物篱
6)  contour hedgerow strip
等高植物篱条带
1.
Under contour cropping +balanced fertilization,adding treatment with contour hedgerow strip reduced 3.
结果表明,在等高种植+平衡施肥+等高植物篱条带组合农艺措施条件下,玉米吸收氮素达到流失总量的99。
2.
Nitrogen(N)balance status between input and removal by corn and straw harvest, water and soil erosion were investigated in this experiment consisted of different cropping patterns, fertilization and contour hedgerow strip.
05%的径流小区实地观测,研究种植方式、施肥方式和等高植物篱条带3种农艺措施不同组合对云南红壤坡耕地氮素投入、带走平衡的影响。
补充资料:等高线


等高线
level lines

等高线[kvd 11.写;yP。朋:瓜H邢j,G代笼n函数的 点集 L*={:‘D:G(:,z。)二又=常数},0簇几O充分大时,等高线是Jo代协n曲线;当又~+的时,相应的等高线趋于点z。,而对于减小又,它离开:。;若m>1,则对于又的某些值,等高线有自交点并且分解成不交的简单闭曲线;对于充分小的又,等高线由m条Jo攻坛n曲线组成,且当又~0时这些曲线的每一条趋于D的边界曲线之一. 在具有单连通余集的有界闭集B上用多项式作函数逼近的问题中,对B的边界点与B的余集的等高线之间的距离的估计起着重要的作用(见〔41,ts】). 对于由类S={f:f(:)二:十…,f在沙}
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