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   草地改良 在 畜牧与动物医学 分类中 的翻译结果: 查询用时:0.03秒
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  grassland improvement
Microbial community measurements varied widely according to both site and grassland type, and trends in the effect of grassland improvement differed between sites.
      
  pasture improvement
Before the investigation the soil was limed and fertilised in a manner consistent with established agricultural pasture improvement strategies.
      
Effects of pasture improvement and intensive cultivation on microbial biomass, enzyme activities, and composition and size of ea
      
Arachis pintoi, a wild perennial relative of the peanut, originated in Brazil, is of increasing importance to pasture improvement in the tropics.
      
This study revealed enough variation among populations to initiate a selection programme for pasture improvement in arid and semi-arid areas of Tunisia, where the two species are well adapted.
      
Other soil properties that have changed as a result of pasture improvement, e.g.
      
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  grassland amelioration
Effects of grassland amelioration on terrestrial ecosystem nutrients: a case study in Jianou Niukenglong Grassland Ecosystem Exp
      
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It indicated in this paper the main type, distribution, productiveness of grazed natural grassland and avenue to improve and use rationally it in Zhifang Valley, Ansai County. With reclaiming and over stocking, natural grassland distributed mainly on steep gully side, making up 28.8% of the total land area, and its yield capacity was generally 1.800—2.550 kg/ha (fresh weight). After closure against grazing for 2~3 years or interseeding Caragana korshinskii and Sophora viciifolia and so on, the yield capacity...

It indicated in this paper the main type, distribution, productiveness of grazed natural grassland and avenue to improve and use rationally it in Zhifang Valley, Ansai County. With reclaiming and over stocking, natural grassland distributed mainly on steep gully side, making up 28.8% of the total land area, and its yield capacity was generally 1.800—2.550 kg/ha (fresh weight). After closure against grazing for 2~3 years or interseeding Caragana korshinskii and Sophora viciifolia and so on, the yield capacity increased 1.9~2.1 times and the rate of low-grade herbage decreased to 7.9~11.1% from 40.9~76.9. Authors suggest that combining establishment of artificial grassland with transforming crop rotation system and animal production Could promote agriculture and animal husbandry in the loess hilly and valley region.

本文通过调查和试验资料,论述了安塞县水土流失严重的纸坊沟小流域天然草地(牧荒坡)类型、分布特点、质量评价、利用现状、现实和潜在生产力,以及草地在水土保持型生态农业中的作用和目前草地管理、建设中的问题;提出了该地区天然草地改良和人工草地建设上,切实可行的途径和措施,以及适宜种植的草、灌植物种及其合理配置,为该类型区草业和水土保持型生态农业建设提供了可靠的依据。

The eight grassland types and their horizontal distribution in Guyuan District Ningxia Autonomous Region were described in this peper. The natural and ecological characteristics of the each grassland type were also discussed, and the suitable improvement measures and utilization methods for the grassland were suggested in the end.

本文简要地描述了宁夏固原地区8个草地类的自然特点和经济特征,阐述了主要草地类的水平地带性分布规律,提出了不同地带内草地改良利用的方向和途径。

Resowing is one of many technological measures in rangeland improvement. In this paper, resowing theory and technique in terms of selection of species, sowing method, sowing time and sowing rate were discussed systematically and comprehensively on the basis of resowing practice in rangeland improvement.

草地补播是众多草地改良技术措施中具有特殊功用的一种。本文依据甘南数年来的补播实践,对实施草地补播的作用、选择补播草种所应遵循的原则、播期和播量的确定方法等理论和技术问题作了较为全面系统的论述。

 
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