info:oai:icrisat:9198info:ofi/fmt:xml:xsd:bookTimlerCTimler, CMichalscheckMMichalscheck, MKlapwijkCKlapwijk, CMashingaidzeNMashingaidze, NOllenburgerMOllenburger, MFalconnierGFalconnier, GKuivanenKKuivanen, KDescheemaekerKDescheemaeker, KGrootJGroot, JMarch 2015Exploring options for sustainable intensification in different farming system types of four Africa RISING countriesproceeding