CA Carbonic anhydrase
CA19 Press wedge granular fertilizer applicator
CA22 Plunger auger granular fertilizer applicator
CAAMS Chinese Academy of Agricultural Mechanization Sciences
CAAS 1) Canadian Association of African Studies (Ottawa)
2) Chinese Academy of Agricultural Sciences
CABI Centre for Agriculture and Biosciences International (UK)
CABO-DLO Centrum voor Agribiologisch Onderzoek (Centre for Agrobiological Research, The Netherlands)
CACMI Comite Africain pour la Coordination des Moyens d'Information (African Committee for the Coordination of Information Media, Ghana)
CaHa 1) Older fraction of humic acid bound to calcium
2) Calcium humates
CALA Complexe Agricole du Lac Alaotra (Agricultural Complex of Lake Alaotra, Madagascar)
CARD 1) Center for Agricultural Research and Development (Iowa, USA)
2) Communicators for Agricultural and Rural Development (Philippines)
3) Center for Agricultural Research and Development (Bhutan)
CARDI Caribbean Agricultural Research and Development Institute (Trinidad)
CARI Central Agricultural Research Institute (Sri Lanka)
CARIS Current Agricultural Research Information Systems (FAO)
CARRDI Cambodian Rice Research and Development Institute
CAST Council of Agricultural Science and Technology (Headquarters: Iowa, USA)
CATIE Centro Agronomico Tropical de Investigacion y Ense¤anza (Tropical Agricultural Centre for Research and Education, (Costa Rica)
CAZRI Central Arid Zone Research Institute (India)
CBD Convention on Biological Diversity
CC Chlorophyll content
CCIC Canadian Council for International Cooperation (Ottawa)
CCOD Current Contents on diskette
CCRIA Cooperative Central Research Institute of Agriculture
CDAET Centre for Development of Appropriate Agriculture Engineering Technology (Indonesia)
cDNA Complementary DNA
CDNA Complementary acid
CD-ROM Compact disk-read only memory
CE 1) Cross-ecosystems
2) Cross Ecosystems Research Program (IRRI)
CEAT College of Engineering and Agro-Industrial Technology (UPLB, Philippines)
CEC 1) Cation exchange capacity
2) Continuing Education Center (UPLB, Philippines)
CEDA Centre for Economic Development and Administration (Nepal)
CEDEGE Comision de Estudios Para el Desarrollo de la Cuenca de Rio Guayas (Ecuador)
CEDIA Centro de Investigaciones Arroceras (Rice Research Center, Dominican Republic)
CEDO Centre for Educational Development Overseas (UK)
CEM College of Economics and Management (UPLB, Philippines)
CENARGEN National Centre for Genetic Resources (Brazil)
CENRADERU Centre National de la Recherche Applique au Developpement Rural (National Research Center for Rural Development, Madagascar)
CENTA Centro Nacional de Tecnologia Agropecuaria (Mexico)
CEPLAC Commisao Executiva do Plano Recuperażao Economico-rural da Lavoura Cacaueria (Executive Commission for the Economic Recuperation of Cażao, Brazil)
CEPLAES Centro de Planificacion y Estudios Sociales (Ecuador)
CERES Crop estimation through resource and environment synthesis
CERI Centre for Educational Research and Innovation (OEEC, France)
CF Crude fiber
CFA Cercle France Afrique (France)
CFTC Commonwealth Fund for Technical Cooperation (also FCCT, UK)
CFTRI Central Food Technological Research Institute (India)
CFTU/CIIFAD Conservation Farming in the Tropical Uplands/Cornell International Institute for Food, Agriculture, and Development (USA)
CFU Colony-forming unit/s
CGFPI Consultative Group on Food Production and Investment in Developing Countries (United Nations, affiliated with IBRD)
CGIAR Consultative Group on International Agricultural Research (Headquarters: Washington, DC)
CGR Crop growth rate
CH4 Methane
CHE College of Human Ecology (UPLB, Philippines)
CHEMRAWN Chemical Research Applied to World Need (Headquarters: Washington, DC)
CHO Carbohydrates
CIADP Cagayan Integrated Agricultural Development Project (Philippines)
CIAP Cambodian-IRRI-Australian Project
CIAE Central Institute of Agricultural Engineering (India)
CIARCO Centro de Investigaciones Agropecuarias Region Centro Occidental (Venezuela)
CIAT Centro Internacional de Agricultura Tropical (International Center for Tropical Agriculture, Colombia)
CIBC Commonwealth Institute of Biological Control (Trinidad)
CIC Cassava Information Centre (Colombia)
CICP Consortium for International Crop Protection (California, USA)
CID Consortium on International Development (Utah, USA)
CIDA Canadian International Development Agency
CIDAGRO Centro de Informacion y Documentacion Agropecuaria
CIE Commonwealth Institute of Entomology (Panama)
CIEI Center for International Environment Information (New York, USA)
CIET Centro Internacional de Ecologia Tropical (Venezuela)
CIFE Central Institute of Fisheries Education (India)
CIFOR Center for International Forestry Research (Indonesia)
CIFRI Central Inland Fisheries Research Institute (India)
CIIFAD Cornell International Institute for Food, Agriculture, and Development (New York, USA)
CIMDER Centro de Investigaciones Multidisciplinarias en Desarrollo Rural (Colombia)
CIMMYT Centro Internacional de Mejoramiento de Maiz y Trigo (International Maize and Wheat Improvement Center, Mexico)
CIO Comite Inter Organismes (CIRAD, INRA, and ORSTOM of France)
CIP 1) Cataloging-In-Publication
2) Centro Internacional de la Papa (International Potato Center, Peru)
CIRAD Centre de Cooperation International en Recherche Agronomique pour le Developpement (Center for International Cooperation in Development-oriented Agricultural Research, France)
CIRAD-CA Annual Crops Department of CIRAD
CIRED Centre International de Recherches sur l'Environnement et le Developpement (France)
CL4 Confinement level 4 greenhouses and grounds
CLG Chemiluminigram
CLK Chalkiness
CLRRI Cuu Long Delta Rice Research Institute (Vietnam)
CLSU Central Luzon State University (Philippines)
cm centimeter/s
cM centiMorgan/s
CM Commercial model
CMA/IIM Centre for Management in Agriculture/Indian Institute of Management
CMC Critical moisture content
CMS Cytoplasmic male sterility
CMU Chiang Mai University (Thailand)
C:N Carbon-to-nitrogen ratio
CNIA Centro Nacional de Investigaciones Agropecuarias (Peru, Argentina, Colombia, Dominica, San Salvador)
CNPAF Centro Nacional de Pesquisa--Arroz (Brazil)
CNRRI China National Rice Research Institute
CODATA Committee on Data for Science and Technology (ICSU, France)
CONICYT Commission Nacional de Investigacion Cientifica y Tecnologica (Chile)
COPR Centre for Overseas Pest Research (UK)
COSTED Committee on Science and Technology in Developing Countries (ICSU, France)
COTA Collectif d'Echanges pour la Technologie Appropriee (Belgium)
CP 1) Centrifugal pump
2) Crude protein
CP2 Watt-miser electric pump
CP3 Watt-miser centrifugal pump
CPRIME Consultative Program on Rice Mechanization (Philippines)
CREMNET Crop Resources Management Network (IRRI)
CRIFC Central Research Institute for Food Crops (Indonesia)
CRIN Caribbean Rice Improvement Network
CRRN Caribbean Rice Research Network
CRIG Cocoa Research Institute of Ghana
CRRI Central Rice Research Institute (India)
CRSP Collaborative Research Support Program (USAID)
CRURRS Central Rainfed and Upland Rice Research Station (India)
CS 1) Completely sterile
2) Computer services
3) Cropping system
CSEAS Center for Southeast Asian Studies (Headquarters: Philippines)
CSIR Council for Scientific and Industrial Research (Ghana, India, New Zealand, etc.)
CSIRO Commonwealth Scientific and Industrial Research Organization (Australia)
CSN Cropping Systems Network
CSRRI Central Soil Salinity Research Institute (India)
CSTD United Nations Center for Science and Technology for Development (USA)
CT Cold tolerance
CTAB Cetyltrimethylammonium bromide
CV 1) Coefficient of variation
2) Curriculum vitae
CW Caseworm
CWD Courseware Development
CY Crop year