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Search results with tag "Challenge of managing soil fertility depletion"
CHALLENGE OF MANAGING SOIL FERTILITY DEPLETION: A …
www.vri-online.org.ukInternational Journal of Rural Studies (IJRS) vol. 19 no. 2 Oct 2012 ISSN 1023–2001 www.vri-online.org.uk/ijrs Article 6 Page 3 of 5 Pyrathrins and growth hormones