Monday, 7 July 2014

Bibliography (Nehal)

What is the effect of nitrogen on agricultural production systems?


1. Jones, G. (2001, January 1). Healthyag - Alternative Agriculture - Agricultural Production Systems. Healthyag - Alternative Agriculture - Agricultural Production Systems. Retrieved July 4, 2014, from http://www.healthyag.com/alter_prod.html

2. NITROGEN: AN ESSENTIAL ELEMENT IN CROP PRODUCTION. (n.d.). NITROGEN: AN ESSENTIAL ELEMENT IN CROP PRODUCTION. Retrieved July 4, 2014, from http://www.nachurs.com/nitrogen.html

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