Diagnóstico y diseño participativo en sistemas agroforestales : Manual y guías de campo.
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Santafé de Bogotá : Corpoica,
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Agricultural research faces new challenges. Donald L. Plucknett
Biotech promise aiding korean farmers. Young Soo Hwang
Biotech succes today takes common sense. Dr. William Marshall
Brazilian agriculture benefits from climate and markets. Dr. Fernando Cardoso
China's future bright as policies boost crop productivity. Chen Fan
climatic change subject of debate. Dean Abrahamson
Drought of 1988 affects U.S. farming practices. James A. Beck
Future demand will increase use of phosphates. Harvey Auman
Global warming? debate heats up for agriculture. Norton D. Strommen
Leadership demands tough decisions. Billie B. Turner
Nitrogen needed for growth in third world. Terry Phillips
Phosphate rock usage outpacing production. Fred Blesi
Population growth and sustainable agriculture; an emerging agenda. Robert D. Havener
Society demanding agriculture meet environmental aims. A. J. Williams
Strategic issues facing world food policy makers. Dr. G. Edward Schuh
U.S. farm policies still key factor in global trade. Ewn M. Wilson
USSR food system seeking new ideas to promote growth. Vladlen Demyanenko
World potash demand continues to grow. Erik C. Ekedahl
Agricultural research faces new challenges. Donald L. Plucknett
Biotech promise aiding korean farmers. Young Soo Hwang
Biotech succes today takes common sense. Dr. William Marshall
Brazilian agriculture benefits from climate and markets. Dr. Fernando Cardoso
China's future bright as policies boost crop productivity. Chen Fan
climatic change subject of debate. Dean Abrahamson
Drought of 1988 affects U.S. farming practices. James A. Beck
Future demand will increase use of phosphates. Harvey Auman
Global warming? debate heats up for agriculture. Norton D. Strommen
Leadership demands tough decisions. Billie B. Turner
Nitrogen needed for growth in third world. Terry Phillips
Phosphate rock usage outpacing production. Fred Blesi
Population growth and sustainable agriculture; an emerging agenda. Robert D. Havener
Society demanding agriculture meet environmental aims. A. J. Williams
Strategic issues facing world food policy makers. Dr. G. Edward Schuh
U.S. farm policies still key factor in global trade. Ewn M. Wilson
USSR food system seeking new ideas to promote growth. Vladlen Demyanenko
World potash demand continues to grow. Erik C. Ekedahl
Palabras clave
Costos., Sistemas agroforestales, Transferencia de tecnología.