1) effective tree heigth
有效林分高
2) high efficient forestry
高效林业
1.
The measures for controlling soil and water loss, rationally adjusting and utilizing surface water resources, constructing the eco-agriculture and high efficient forestry were discussed and defined in terms of such bottle-neck problems hindering the sustainable agricultural development in this county as severe soil and water loss, frequent drought or flooding, poor rural environmental.
针对中方县(湘西北的山区县)阻碍农业可持续发展的水土流失严重、旱涝灾害频繁、农村环境质量下降、森林生态功能减弱等主要生态环境问题,重点探讨了水土流失综合治理、地表水资源合理调蓄利用、生态农业和高效林业建设等方面的任务与措施。
2.
In practice, it should be organized in the form of social forestry and directed by the principle of the high efficient forestry, Besides, agro-forestry and ecological forestry could be applied to.
在实践操作中,应该以社会林业的组织形式组织,用高效林业的经营手段指导,混农林业的技术形式组装以及生态林业的经营观点去导向。
3) effective silviculture
高效造林
4) low-quality and benefit forest
低效林分
5) raising efficiency of nutrients
提高有效养分利用率
1.
The following aspects are expected in developing China's BB fertilizers: slow release BB fertilizer,organic-inorganic BB fertilizer,secondary and trace-elements BB fertilizer;raising efficiency of nutrients process improvement in better compatibility,whole-service application upon soi.
发展缓释BB肥、有机-无机BB肥、添加中微量元素BB肥,提高有效养分利用率;改进掺混工艺,解决BB肥原料的相容性及优化施用技术,推广测土配方套餐施肥;强化肥料企业与农业部门有机结合,做好农化服务,才能做大做强我国BB肥产业。
6) directional component of significant wave height
有效波高的方向分量
补充资料：土壤水分有效性
分子式：
CAS号：
性质：土壤中水分能被植物吸收利用的难易程度和数量多少的性质。土壤水分可分为无效水、有效水、速效水和迟(缓)效水。
CAS号：
性质：土壤中水分能被植物吸收利用的难易程度和数量多少的性质。土壤水分可分为无效水、有效水、速效水和迟(缓)效水。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条