Introduction This Special Issue of the Journal of International Soil and Water Conservation Research is dedicated to those pioneers in soil conservation,farmers,researchers and extentionists,who questioned tradition a...Introduction This Special Issue of the Journal of International Soil and Water Conservation Research is dedicated to those pioneers in soil conservation,farmers,researchers and extentionists,who questioned tradition and implemented new theories and new technologies in soil conservation.These pioneers recognized the often devastating impacts of agricultural land and soil degradation,and their observations of the impacts of intensive tillage and soil erosion led them to try new technologies such as zero till,no-till,direct seeding,stubble and residue mulching,and various other conservation tillage practices.Their successes are significant,because through these approaches,the pioneers laid the ecological foundation on which a more sustainable agriculture could be developed.展开更多
The adoption of no till was a major turning point in the transformation of agriculture in Argentina.This paper describes the process of adoption of no till,and the impacts of this on agricultural production.Whereas pr...The adoption of no till was a major turning point in the transformation of agriculture in Argentina.This paper describes the process of adoption of no till,and the impacts of this on agricultural production.Whereas previously,soil erosion was so extreme and pervasive as to threaten the economic viability and survival of the industry,today with the majority of production under no till,Argentina produces more than ever in the past.The paper also illustrates how,after first focusing on technology adoption(no-till),the system in Argentina has now broadened to include the concepts of Conservation Agriculture(CA)and Sustainable Land Management(SLM).These strategic moves have contributed to an agricultural industry in Argentina that is more economically and environmentally sustainable than that of the past.展开更多
No-till cropping systems provide an opportunity to protect the soil from erosion,while contemporaneously maintaining high yields and contributing to global food security.The historical aspects and the remarkable devel...No-till cropping systems provide an opportunity to protect the soil from erosion,while contemporaneously maintaining high yields and contributing to global food security.The historical aspects and the remarkable development of no-till systems on the Chequen Farm in Chile are reviewed.The adoption of no-till over the last 40 years has been a major turning point in reducing the devastating effects of soil erosion and a model for the evolution of sustainable crop production in highly erodible terrain in other parts of the world.The process of adoption of no-till systems in severely eroded foothills of Chile is described,as well as the environmental benefits and the sustainability of the system.The practical aspects of these developments are supported by scientific literature where appropriate,illustrating the value and coincident knowledge gained when combining analogue observations and information with scientific principles.展开更多
文摘Introduction This Special Issue of the Journal of International Soil and Water Conservation Research is dedicated to those pioneers in soil conservation,farmers,researchers and extentionists,who questioned tradition and implemented new theories and new technologies in soil conservation.These pioneers recognized the often devastating impacts of agricultural land and soil degradation,and their observations of the impacts of intensive tillage and soil erosion led them to try new technologies such as zero till,no-till,direct seeding,stubble and residue mulching,and various other conservation tillage practices.Their successes are significant,because through these approaches,the pioneers laid the ecological foundation on which a more sustainable agriculture could be developed.
文摘The adoption of no till was a major turning point in the transformation of agriculture in Argentina.This paper describes the process of adoption of no till,and the impacts of this on agricultural production.Whereas previously,soil erosion was so extreme and pervasive as to threaten the economic viability and survival of the industry,today with the majority of production under no till,Argentina produces more than ever in the past.The paper also illustrates how,after first focusing on technology adoption(no-till),the system in Argentina has now broadened to include the concepts of Conservation Agriculture(CA)and Sustainable Land Management(SLM).These strategic moves have contributed to an agricultural industry in Argentina that is more economically and environmentally sustainable than that of the past.
文摘No-till cropping systems provide an opportunity to protect the soil from erosion,while contemporaneously maintaining high yields and contributing to global food security.The historical aspects and the remarkable development of no-till systems on the Chequen Farm in Chile are reviewed.The adoption of no-till over the last 40 years has been a major turning point in reducing the devastating effects of soil erosion and a model for the evolution of sustainable crop production in highly erodible terrain in other parts of the world.The process of adoption of no-till systems in severely eroded foothills of Chile is described,as well as the environmental benefits and the sustainability of the system.The practical aspects of these developments are supported by scientific literature where appropriate,illustrating the value and coincident knowledge gained when combining analogue observations and information with scientific principles.
