Soil Fertility Management a Century Ago in Farmers of Forty Centuries

Author: Heckman Joseph R.  

Publisher: MDPI

E-ISSN: 2071-1050|5|6|2796-2801

ISSN: 2071-1050

Source: Sustainability, Vol.5, Iss.6, 2013-06, pp. : 2796-2801

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Abstract