您要查找的是不是:
- forest planting technique 造林技术
- Analysis on forest plant diversity in the Three Gorges Reservoir Area. 三峡库区森林植物多样性分析。
- Plant Technique of Sand Thorn Energy Forest 沙棘能源林的营造技术
- Hu Mulberry sericulture, axillaries access date, three-dimensional orchard planting technique has been mastered by the masses. 胡桑养蚕、酸枣接大枣、果园立体种植技术已被群众所掌握。
- The two thousand kinds of rain forest plants contribute to the cure of cancer. 两千多种热带雨林植物对治癌有益。
- The present research included its biological characters, value in use, planting technique and tissue culture and so on, but the research on sitology, pharmacology, breeding and process was very poor. 近年来的研究多集中在土人参的生物学特性、利用价值、栽培技术以及组织培养等方面,但在营养学、药理学、育种学及加工利用方面等方面的研究较少,甚至还存在空白。
- Planting under a film, a new planting technique, is combined with drip irrigation, a water saving irrigation technique, to form a new method of developing and utilizing saline-alkali soil. 覆膜种植是一种新型的农业种植技术,而滴灌是一种农业节水灌溉技术,将覆膜种植技术与滴灌技术有机结合起来形成一种开发利用盐碱地的新方法。
- Cryptorrhynchus lapathi is an important trunk borer of poplar and nationwide object of forest plants quarantine. 杨干象是杨树重要的蛀干害虫,为全国性森林植物检疫对象。
- This article puts forward some new ideas about roof virescence in old buildings from such aspects as roof waterproof technique, planting technique, the choice of plant and roof medium, etc. 该文从屋顶防水技术、种植技术、种植植物与屋顶介质选择等方面对既有建筑的屋顶改造技术提出了一些新设想。
- Langill,W.M. and K.S.Maclean. 1976 Some essential nutrient elements in forest plants as related to species,plant parts, season and location.Plant and Soil 45:17-26. 张华洲1997惠荪实验林场三种林分枯枝落叶量及其养分含量之季节变动国立中兴大学森林学研究所硕士论文。
- Tontiwachwuthikul P., A.Meisen and C.J.Lim,Novel Pilot plant technique for sizing gas absorber with chemical reaction.The Canadian Journal Of Chemical Eng., vo. 67, pp. 602-607 (1989). 叶安晋、白曛绫,以氨水及乙醇胺去除二氧化碳温室气体之比较研究,第十四届空气污染控制技术研讨会论文专辑,国立交通大学,第347-352页(1997)。
- Forest plants of Yunnan were mainly originated from neozoic era, and some relic species were originated from the palaeogoic era to mesozoic era. 云南森林植物(系指木本植物)主要起源于新生代,少数古老种起源于古生代至中生代。
- Planting Techniques: utilization of environmental protection pesticides and fertilizers. 种植技术:利用环保农药、肥料等核心技术。
- The plant was growing at an angle. 植物呈一定角度生长。
- eco-economic forest planting mode 生态经济林模式
- The characteristics and planting techniques of the sugarcane variety, KWS2409 in Yili area, Xinjiang autonomous region were introduced. 摘要介绍了新疆伊犁地区甜菜新品种KWS2409的特征特性及栽培技术措施。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Study On Planting Technique Of Dioscorea Nipponica 穿龙薯蓣的栽培技术研究
- On the quality of forest plant quarantine staff 我国森林植物检疫队伍素质的现状与对策
- It is said that there are wolves in this forest. 据说这片森林里有狼。