Land degradation in cocoa farming

Which organizations- NGOs- should Nestle consider to address the problem of land degradation in cocoa farming? Which solutions should nestle implement by partnering with these organizations? (choose NGOs that directly work with local farmers) Which programs or initiatives should Nestle take a role?

What can Nestle do to improve efficiency in cocoa farming in order to reduce the effect of land degradation?
Disease resistant plants?
providing the farmers with fertilizer?
providing the farmers with high efficiency tools?
training farmers? (explain training programs in detail and relate with NGO’s programs)

Possible sources:
http://worldcocoafoundation.org/wp-content/files_mf/vos2003.pdf
http://www.thegef.org/gef/sites/thegef.org/files/gef_prj_docs/GEFProjectDocuments/Land%20Degradation/Cote%20d%27Ivoire%20-%20%285788%29%20-%20Assessment%20of%20Land%20Degradation%20Dynamic%20in%20Coffee%20C/04-30-14_MSP_PIF_and_PPG_Document_revised.pdf
http://www.nestle.com/csv/case-studies/AllCaseStudies/The-Cocoa-Plan