Conslusions and recommendations; Working papers.

This book covers the uses of tropical farming systems in tropics of mixed, strip, relay, sequential and multistorey cropping. It discusses the aspects of the tropical farming systems including their history and agronomy and the plant inter-relationship within them.

Fifteen papers discuss the various aspects of multiple cropping. Plant interactions, weed and pest management, the role of cereals and legumes, economics, research methods for multiple cropping and finally the future of multiple cropping

This book has been developed from a workshop on Technological change in agriculture and tropical deforestation organised by the Center for International Forestry Research and held in Costa Rica in March, 1999. It explores how intensification of agriculture affects tropical deforestation using case studies from different geographical regions, using different agricultural products and technologies and in differing demographic situations and market conditions. Guidance is also given on future agricultural research and extension efforts.

Cover crops slow erosion, improve soil, smother weeds, enhance nutrient and moisture availability, help control many pests and bring a host of other benefits to your farm. At the same time, they can reduce costs, increase profits and even create new sources of income. You¿ll reap dividends on your cover crop investments for years, since their benefits accumulate over the long term. This book will help you find which ones are right for you. Captures farmer and other research results from the past ten years. The authors verified the info. from the 2nd ed., added new results and updated farmer profiles and research data, and added 2 chap. Includes maps and charts, detailed narratives about individual cover crop species, and chap. about aspects of cover cropping.

Food security, one of the basic human rights, seems to be ever eluding the people of sub-Saharan Africa. With each occurrence of crop failure, agriculturalists around the world reawaken to the challenge of ensuring sta ble, adequate food production in the tropical African environments. The International Fertilizer Development Center (IFDC), with its mandate of alleviating food shortages through judicial use of fertilizers, formulated a program to study fertilizer use strategies for sub-Saharan Africa. With gener ous financial assistance from the International Fund for Agricultural Devel opment (IFAD), IFDC, in collaboration with the International Crop Re search Institute for the Semi-Arid Tropics (ICRISAT) and the International Institute for Tropical Agriculture (IIT A), initiated a research project aimed at assessing means to remedy soil nutrient deficiencies that constrain food production in the humid, subhumid, and semiarid tropics of Africa. The results of this project were summarized during a workshop held in Togo, March 25-28, 1985; the proceedings of that meetings are found in this vol ume. The project established collaboration with numerous national programs that were responsible for much of the data collection. The data presented in Chapters 6 and 9 include much of this information. We wish to acknowledge the contribution of the individual scientists, J.T. Ambe, F. Ganry, M. Gaoh, M. Issaka, J. Kiazolu, J. Kikafunde-Twine, K. Kpomblekou, F. Lompo, H.

Land And Soil Are Non-Renewable Natural Resources. The Nature Has Taken Thousands Of Years To Create An Inch Of Fertile Soil. Mismanagement Of This Precious Resource Is A Sin Against Nature And Will Play Havoc With The Fortunes Of The Country. Many Parts Of The Country Have Already Come To The Brink Of Devastation Through Injudicious Usages, Over Exploitation Of Natural Resources Resulting In Unsustainable Productivity Of Crops.Modern Concept Of Cropping System Is Based On The Principle Of Effective Utilization Of Soil Water, Nutrients And Light For Sustainable Crop Productivity. This Book Gives The Basic Principles And Broadly Accepted Definitions Terms Frequently Used In The Literature. A Short-Review Of The Cropping Systems Work Done In The Tropics, Particularly In India Is Presented.In This Revised Edition, Contents Of All The Chapters Have Been Revised To Give Orientation Towards Management Of Sustainable Crop Production Systems. A New Chapter On Farming System Is Also Added In Tune With The Latest Trends. Information Available On Perennial Crop-Based Cropping Systems, For Example High Density Multi Species Cropping Systems Involving Coconut And Arecanut Is Updated. The Various Management Aspects Of Sustainable Cropping Systems Are Discussed And The Research Methodology That Could Be Adopted Is Elucidated. Possible Future Lines Of Work Are Given In The Final Chapter.This Book Will Prove To Be Of Immense Value Not Only To The Research Workers But Also To The Teachers And Students And Above All Farmers And Individuals Who Are Desirous Of Improving Sustainable Crop Production Systems.