您要查找的是不是：
- Key words: Guizhou Province; karst; arid hillside farmland; terracing; agricultural ecological environment. 范厚明，农艺师，贵州省毕节市德沟，毕节地区农业科学研究所，551700
- Since the opening of the agricultural ecological park, the number of tourists every day has surpassed 10 thousand. 农业生态园开园以来，每天的游客都人数过万。
- Maoming has plenty of tourist resources, with great potentials in seaside tourism, agricultural ecological tourism and industrial sightseeing. 茂名旅游资源丰富，海滨旅游、农业生态旅游和工业观光旅游的潜力大。
- We will consider all of the systems listed in our examination of agricultural ecology. 我们考虑把所有的系统列入我们农业生态学的研究范畴。
- agricultural ecological security 农业生态安全
- agricultural ecological environment 农业生态环境
- agricultural ecological civilization 农业生态文明
- agricultural ecological environments 农村生态环境
- agricultural ecological protection 农业生态保护
- agricultural ecological sections 农业生态区
- Protection of agricultural ecological environment 农业生态环境保护
- This regulations is suitable for different dryly agricultural ecology area of the big pellet thinly plants crop and watermelon .pumpkin and so on. 本规程适用于不同旱作农业生态区的大颗粒稀植粮食作物和西瓜、南瓜等经济作物。
- This regulations is suitable for different dryly agricultural ecology area of the big pellet thinly plants crop and watermelon. pumpkin and so on. 本规程适用于不同旱作农业生态区的大颗粒稀植粮食作物和西瓜、瓜等经济作物。
- Agricultural ecological envirortment 农业生态环境
- From unified angle of system with environment,the model,characteristic and the meaning and content of forewarning analysis are studied for agricultural ecologic economic system. 从系统与环境相统一的角度，研究了农业生态经济系统的模型、特征、预警分析的意义和内容；
- The establishment of ecological agriculture obviously improves agricultural ecological enviornment, measures barren hill and slope, greatly enhances silvan cover, so as to control water and soil loss. 生态农业建设使农业生态环境得到明显改善，荒山荒坡得到治理，森林覆盖率大幅度提高，水土流失有所控制。
- Then, the relation between geomorphology and natural hazard are discussed, suggested that the regions with steep slope, heavy rainfall, and loess are the weak agriculture ecological regions in Baoji. 继而论述了地貌与农业自然灾害的关系，指出坡度陡、降雨强度大和黄土分布相结合的部位是农业生态脆弱的地段。
- That state is classed as an agricultural area. 该州被划为农业区。
- National Aeronautics and Space Administration's main researches include agricultural biotechnology, sustainable management of natural resources, agricultural ecology, agricultural science. 资源描述:法国国家农业研究所主要的研究方向包括农业生物技术、自然资源的可持续发展管理、农业生态学、农业科学等方面。
- Manganese Element in Agricultural Ecological Environment 农业生态环境中的锰元素
