LTRA-12: Conservation agriculture for food security in Cambodia and the Philippines


Project Code:

Start Date:

End Date:

CRSP Phase:
Phase 4




Lead University:

Other Partners:
USDA-Natural Resources Conservation Service East National Tech Support Center, Royal University of Agriculture, Centre de Cooperation International en Recherche Agronomique pour le Developpement, University of the Philippines-Los Banos, Landcare Foundation of the Philippines

Principal Investigator(s):
Manuel R. Reyes

Co-Principal Investigator(s):
Susan Andrews, Charles Kome, Osei Yeboah, Adrian Bolliger, Stephane Boulakia, Stephane Chabierski, Hok Lyda, Kou Phally, San Sona, Chuong Sophal, Maria Helen Dayo, Victor Ella, Agustin Mercado


Degraded landscapes are expanding annually in Cambodia and the Philippines and decrease agricultural productivity, which in turn heightens food insecurity and exacerbates poverty. This project examines how conservation agriculture principles and practices of minimal soil disturbance, continual mulching, and crop rotations can be adapted for local conditions as the best practices to create sustainable, permanent cropping systems for annual crop production under wet tropical conditions.


1. Gender: to pinpoint gendered limitations and advantages that can promote adoption of CAPS and determine how CAPS will affect farm women and men's situations; 2. Economics: to identify field- and farm-level CAPS that will minimize smallholder costs and risks while maximizing benefits and adoption; 3. Technology knowledge network: to determine the effectiveness of SANREM-supported farmer groups in training knowledge leaders, in being a means of knowledge transmission, and in facilitating network connections leading to widespread adoption of CAPS; and 4. Soil quality and yield: to assess soil quality and measure crop yield and biomass from CAPS, and compare them with results from conventional plow-based systems.


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