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| #6540208 in Books | 2013-07-11 | 2013-07-11 | Original language:English | PDF # 1 | 8.66 x.25 x5.91l,.37 | File type: PDF | 108 pages||About the Author|Dr Ahmad Mehrabanassistance prof in crop ecology.Department of Agriculture, Zahedan Branch, Islamic Azad University, Zahedan, Iran.
Chemical fertilizers are expensive they disturb the equilibrium of agroecosystems and cause pollution to the environment. These problems may be avoided by the use of Organic fertilizers. Organic fertilizers are fertilizers derived from animal or vegetable matter. (e.g. compost, manure). Naturally occurring organic fertilizers include manure, slurry, worm castings, peat, seaweed, humic acid, and guano. Processed organic fertilizers include compost, bloodmeal, bone meal, h...
You can specify the type of files you want, for your device.The Basis of Organic Fertilizers | Ahmad Mehraban. A good, fresh read, highly recommended.
