博文
- 集约持续是中国农业发展的主旋律
- 中国农业目前处在一个异常关键的转折关头，这一转折的成功与否无疑将对中华民族的未来产生深刻而长远的影响。中国的农业发展，面临着 4 个方面的矛盾：对农产品需求的日益增加与耕地面积不断减少的矛盾；资源相对不足与增加粮食单产的矛盾；增加单产与提高效益和可持续发展的矛盾；小规 ...
- 议员与牧人
- A cowboy named Bud was overseeing his herd in a remote mountainous pasture in California when suddenly a brand-new BMW advanced out of a dust cloud towards him. The driver, a young man in a Brioni suit, Gucci shoes, RayBan sunglasses and YSL t ...
- The New Delhi Declaration on Conservation Agriculture
- The 1,000 delegates, gathered in the IVth World Congress on Conservation Agriculture, held from 4 to 7 February 2009 in New Delhi, India, among them farmers, private sector enterprises, scientists, development organizations, donor organizations and ...
- 就system agronomy与Connor教授的通信
- --- On Wed, 12/3/08, LIANG Weili wrote: Dear David, Long time without writing you. Hope you and Ines are fine with everything. One question to ask you--I understand that farming/cropping systems agronomy is about the rationales and approa ...
- 就system agronomy与诺曼教授的通信
- Dear David, One question to ask you. I understand that farming/cropping systems agronomy is about the rationales and approaches in planning/designing on-farm or regional crop composition distribution, intercropping, crop rotation, sequential cropping ...
- “耕作”、“农作”与“学”—我的几点思考
- 1 、耕作学的名称，是从俄文ЗЕМЛЕДЛИ | Е翻译而来。ЗЕМЛЕДЛИ | Е意为农业、农活、耕作（农耕之耕而非耕地之耕），翻译成耕作学，从日出而作，日落而息的农耕文化角度理解似乎并无不妥，但在专业划分较细的农学界，容易被误解为土壤耕作；另外， ...
- 就分类问题与诺曼教授的讨论
- From: Weili Liang Sent: Thu 12/25/2008 8:43 PM To: Prof. David Norman 2; David Norman Subject: ? Dear David, Believe you and Shirley are enjoying the X'mas season. I am writing in case I would forget this issue, so please take it easy to reply me whenever you have time. I am wri ...
- 两个教授的故事
- 很久以前，听David Connor教授和Glyn Rimmington 博士 讲课，在讲到系统方法中研究尺度（scale）的重要性时， Glyn举了一个显微镜和望远镜的例子；而 David则讲了两个教授的故事，说明系统方法的重要性 。我对 两个教授的故事 印象非常深刻，每次讲系统方法的课，都要给学生们讲一次。 故事是这样的： 有一天傍 ...
本页有 1 篇博文因作者的隐私设置或未通过审核而隐藏
12
