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| | With the Chinese faster developing economy, and under newly set-up marketing system conditions,Chinese agricultural production is left in an unexpected bad circumstances,mainty because of more risks and less profit in grain production. Haeving reviewed the background of Chinese agriculturw,It is found the key solution for the problem lies in sustainable agriculture,and the immediate solution for Shaanxi agriculture, in agriculture hazard reduction,It is concluded that based on the historical hazard data, we... | | 针对我国农业生产中出现的风险大、利润小,粮食生产严重滑坡的实际,提出解决的关键在于实施持续农业,当前的切入点在于减灾农业。而陕西跨世纪减灾农业的突破点在于,以分析研究历史灾害资料为基础,进一步探明其农业自然灾害致灾因子的变异背景、形成和变迁的时空分布规律,从中解析出人为活动的影响,使灾害减缓的人为活动不断增强,使灾害力。剧的人为活动得以减少和制止。实现农业的降本增收和持续发展。 | | 文摘来源 | | The water resources situation in China should be recognized generally,dialectically and historically,and its dual character should be understood.It is pointed out that water resources of China has been developed greatly,and that the over development of water resources in some places is the essential problem that hampers the sustainable development.The overall strategy for water resources of China should be:the sustainable development of water resources should aim to support the sustainable development of s... | | 要全面、辩证、历史地认识我国水资源情况 ,看到我国水资源情况的两面性 .指出我国水土资源已得到相当开发 ,存在的根本问题是水利发展模式属于粗放型 ,部分地区水土资源过度开发 ,制约了可持续发展 .我国水资源总体战略应当是 :以水资源的可持续发展支持我国社会经济的可持续发展 .为此 ,应从防洪减灾、农业用水、城市用水与工业用水及防污减灾、生态环境与水资源、水资源供需平衡、南水北调、西北地区水资源等八个方面实行战略性的转变 .最后指出 :改革水资源管理体制、投资机制和水价政策 ,是解决我国水资源问题的根本出路 . | | 文摘来源 | | Characters of drought were analyzed in Changwu dryland in the Loess Gully Region to establish the agricultural droughtfight and calamitydiminished technology on the base of traditional technology.The structure of land utilization should be rectified,droughtfight species and together with agricultural plow and crop rotation technology be applied,droughtfight and watersaving irrigation technology of watergathered in kiln cellar,drip irrigation microirrigation and so on be developed,thus scientific evid... | | 以黄土高原沟壑区的长武塬为研究对象,根据黄土高原沟壑区干旱频繁发生的特点,在发展传统农业抗旱技术的基础上,调整土地利用结构,应用抗旱品种及与之相配套农业耕作技术和轮作种植技术,发展窑窖集水,滴灌、渗灌、微灌等抗旱节水灌溉技术,建立现代抗旱减灾农业技术体系.为发展减灾农业提供科学依据. | | 文摘来源 | |   | | << 更多相关文摘 |
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