Fertilizer use in african agriculture : lessons learned and good practice guidelines / Michael Morris... [et al.]

Fertilizer use in african agriculture : lessons learned and good practice guidelines / Michael Morris... [et al.] . - Washington : World Bank, cop. 2007 . - XIV, 144 p. 23 cm . - (Directions in delevopment., Agriculture and rural development)
0-8213-6880-8 Brochado978-0-8213-6880-0

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