Principles of Crop Production 作者:Acquaah, George 出版年:2004-7 页数:768 定价:$ 206.11 ISBN:9780131145566 豆瓣评分 目前无人评价 评价: 写笔记 写书评 加入购书单 分享到 + 加入购书单
Book Reviews: Principles of Agricultural Economics. Markets and Prices in Less Developed Countries.Book reviews Crop Nutrition and Fertilizer Use. 2nd translated by the authors into English, with population, demand supply, and trade for Edn. By John Archer. Pp. 265. Farming expert advice. The ...
News from the underground part 1: the principles of plant nutrition in organic and biodynamic farming In Part 1 of a 2 part feature, Andreas Welte explores the interrelation and interaction of soil, plant and sunlight, and their impact on plant nutrition and the resulting quality of produce fro...
Risks and opportunities of increasing yields in organic farming. A review Our review shows that, to be a driving force for increased food system sustainability, organic agriculture may needto reconsider certain fundamental principles... E R??S,A Mie,M Wivstad,... - 《Agronomy for Sustainable...
area where organic farming is still establishing itself and growing. I am deeply concerned about the outcome of this case as it could have long reaching effects on organic growers elsewhere in terms of precedent as well as on Azure Standard. Thank you for your time and for addressing this ...
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Plant diseases are a major constraint to productivity in rainfed agricultural systems. This chapter examines the nature of diseases in cropping systems, thresholds for management, major management tools, integrated disease management and the challenges f
Firstly, the production of textiles pollutes the environment heavily.Cotton-planting uses pesticides; sheep-farming and wool-cleaning contribute to global warming; synthetics-making(人造纤维生产)brings about harmful waste.Secondly, every stage of clothing production has a significant effect on the ...
member: Any part or organ of an organic body (not nec- essarily a limb). When on page 7 Bentham writes of a community as a 'fictitious body composed of the individuals who are. . . .as it were its members', this is a metaphor. method: On pages 2 and 4, and throughout ...
What I quickly learned is that permaculture isn’t just some zany form of organic farming. It’s truly all over the map, and it more or less incorporates any successful effort to improve upon the way we coexist with nature and each other. Permaculture may include far-reaching goals like su...