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Excerpt from The Culture of Farm Crops: A Manual of the Science of Agriculture, and a Hand-Book of Practice for American FarmersNot a farmer of that day, nor a chemist, knew that bones furnished phosphoric acid to plants; or that guano provided in its ammonia the materials from which their gluten and other nitrogenous substances were derived. Indeed the renowned father of

Title : The Culture of Farm Crops: A Manual of the Science of Agriculture, and a Hand-Book of Practice for American Farmers (Classic Reprint)
Author : Henry Stewart
Language : en
Rating :
4.90 out of 5 stars
Type : PDF, ePub, Kindle
Uploaded : Apr 05, 2021

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