More than 450 million people were found chronically hungry and malnourished during the last decade. Although total food production increased nearly everywhere, it failed to match population growth in many parts of Africa, Asia, and Latin America. Only a small part of the productivity of natural terrestrial ecosystems it Used by man. The development of agriculture and industry has altered the structure and composition of selected systems so as to increase their yield of food, fibre, timber, irrigation, fertilizer use, plant and animal breeding, control of predators and pests and other management techniques. These management techniques. These systems are not wholly controlled by man. India’s dramatic successes in the Green Revolution of the 60s are because more and more land was irrigated. Range land management was improved through control of overgrazing in arid lands. However, in some countries agricultural land was being transformed into other uses, thus reducing productive potential. Soil degradation-erosion, salinization and alkalinization, and chemical degradation occurred in many part of the world and caused production losses. An attempt has been made to include the modern techniques of analysis which are mainly used in these days.
ABOUT THE AUTHOR R. Swarup
Dr. R. Swarup (b. 1928) had his education at government Agricultural College, Kanpur (now Chander Shekhar-Azad University of Agriculture and Technology, Kanpur) and Delhi School of Economics. After serving at prestigious institutions like the Allahabad Agricultural Institute, Indian Agricultural Research Institute. New Delhi, Mosul University in Iraq etc, he heads the Agro-Economics Research Centre for Western Himalayan Region since establishment in, 1973 at Himachal Pradesh University, shimla. He has contributed a number of research papers and co-authored books titled – Agricultural Development in Himachal Pradesh, Management of Social forestry in India, Production and Marketing of apples, and Horticultural Development in Hill Areas.
ABOUT THE AUTHOR S.N. Mishra
Professor S.N. Mishra (b. 1942), after serving at Magadh University, joined the Indian Institute of Public Administration in 1980 where currently he is Professor of Rural Studies. Apart from publishing nearly twently books on various facets of Rural Society, he has contributed more than hundred research papers to the various journals in India and abroad. A member of the Executive Committee of the Indian Public Administration Association, Prof. Mishra's areas of specialization are: Indian Political System, Applied Public Administration, Political Sociology, Constitutional Law, Democratice Decentralization, Development Administration and Local Self-Government.
ABOUT THE AUTHOR V.P. Jauhari
Dr. V.P. Jauhari (b. 1949) has his education from Allahabad University, Punjab University and London School of Economics (LSE) UK. Thought a serving bureaucrat has extensive work experience in the field of environmental management at State, National and International level, Till recently he headed the Ministry of Environment & Forests in Govt. of A.P. and State Pollution Control Board. He has also worked in the Ministry of Environment & forests in Govt. of A.P. and State Pollution control Board. He has also worked in the Ministry of Environment & Forests, GOI apart from working as head of intergovernmental body, sponsored by UNEP, called South Asia Co- operative Environment Programme (SACEP) at Colombo. He has worked as consultant to many UN bodies and has many publications to his credit. Currently he is heading Ministry of Agriculture in Govt. of A.P.
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