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Author : International Rice Research Institute
Publisher : IRRI
Page : 388 pages
File Size : 54,6 Mb
Release : 1988
Category : Green manure crops
ISBN : 8210379456XXX
Author : Anonim
Publisher : Int. Rice Res. Inst.
Page : 388 pages
File Size : 47,6 Mb
Release : 2024-06-25
Category : Electronic
ISBN : 9789712202322
Author : J.K. Ladha,M.B. Peoples
Publisher : Int. Rice Res. Inst.
Page : 300 pages
File Size : 48,5 Mb
Release : 1995-09-30
Category : Nature
ISBN : 9780792334132
Reprinted from Plant and Soil, v.174, nos.1-2 (1995), this volume is devoted to discussions on the role of biological nitrogen fixation (BNF) in agricultural sustainability. Papers presented on BNF in crop forage and tree legumes are augmented with discussion of integrated farming systems involving BNF, soil and N management, and recycling of legume residues. BNF by non-legumes is discussed and attempts to transform cereals into nodulating plants are critically reviewed. Also described are advances in the development of new methodologies to understand symbiotic interactions and to assess N-2 fixation in the field; means of enhancing BNF through plant and soil management; breeding and selection; problems encountered in exploiting BNF under farmers' field conditions; and promising approaches to improve BNF exploitation. Lacks a subject index. Annotation copyright by Book News, Inc., Portland, OR
Author : Rattan Lal,Peter R. Hobbs,Norman Uphoff
Publisher : CRC Press
Page : 450 pages
File Size : 48,5 Mb
Release : 2004-05-24
Category : Science
ISBN : 9781135531522
Addressing a topic of major importance to the maintenance of world food supplies, this reference identifies knowledge gaps, defines priorities, and formulates recommendations for the improvement of the rice-wheat farming system. The book reveals new systems of rice intensification and management and illustrates the application of no-till and conser
Author : R. K. Pandey
Publisher : Int. Rice Res. Inst.
Page : 186 pages
File Size : 42,7 Mb
Release : 1991
Category : Technology & Engineering
ISBN : 9789711041892
This book gives with clear pictures and short practical statements an outline of the whys and hows of integrating organic and chemical fertilizer use, emphazising the growing of green manure crops. About 50 legumes suited to a wide range of rice-growing environments are described so that farmers may choose the ones best for their own needs
Author : A. K. Dahama
Publisher : Unknown
Page : 312 pages
File Size : 44,7 Mb
Release : 1997
Category : Technology & Engineering
ISBN : STANFORD:36105022797356
Author : Yadvinder Singh
Publisher : Unknown
Page : 130 pages
File Size : 49,6 Mb
Release : 2010
Category : Green manure crops
ISBN : 8185992274
Author : Jagdish Kumar Ladha,Dennis P. Garrity
Publisher : Int. Rice Res. Inst.
Page : 204 pages
File Size : 54,7 Mb
Release : 1994
Category : Green manure crops
ISBN : 9789712200601
Selected papers from a symposium held as part of the 1992 International Rice Research Conference.
Author : Anil Mahajan,R. D. Gupta
Publisher : Springer Science & Business Media
Page : 277 pages
File Size : 54,6 Mb
Release : 2009-05-07
Category : Technology & Engineering
ISBN : 9781402098758
Agriculture is the main occupation in India and about 75% of its population depends directly or indirectly on agriculture for their livelihood. It is the dominant sector that contributes 18% of the gross domestic product. Thus, agriculture is the foundation of the Indian economy. The maximum share of Indian exports is also from the agriculture sector. As the population of the country is increasing trem- dously, approximately at the rate of 19 million every year over the existing popu- tion of more than 1 billion (approximately 1. 18 billion), the food grain production must necessarily be increased. This can be done by increasing crop production to match the population growth rate of 2. 2% per annum, which is expected to stabilize at 1. 53 billion around 2050. There is no doubt that the Green Revolution in India during the late 1960s brought self-sufficiency in food grain production, mainly through the increase in rice and wheat crop yields – the two main crops of the country which play an important role from food security point of view. However, the excessive use of fertilizers and pesticides, and the neglect of organic manures for these crops, has resulted in the deterioration of physical, chemical and biological health of the ri- and wheat-growing soils. Owing to the deterioration of the health of these soils, the productivity of the rice–wheat cropping system has now either got reduced or in some places has become constant for the last decade.
Author : Winfried Scheewe
Publisher : Rex Bookstore, Inc.
Page : 296 pages
File Size : 52,5 Mb
Release : 2000
Category : Organic farming
ISBN : 9712328953
Author : African Association for Biological Nitrogen Fixation. Conference
Publisher : IITA
Page : 512 pages
File Size : 41,5 Mb
Release : 1992-10-27
Category : Science
ISBN : 0471935603
Biological nitrogen fixation in tropical agrosystems: twenty years of biological nitrogen fixation research in Africa; Sustainable agriculture: definition and measurement; Biological nitrogen fixation systems in tropical ecosystems: an overview; A protocol for screening legumes as soil-improving crops; The sustenance of tropical agriculture with multipurpose azolla; Facteurs pedoclimatiques limitant la lixation biologique l'azole; Response of some tropical nitrogen-fixing woody legumes to drought and inoculation with mycorrhiza; Improvement to the Phaseolus/Rhizobium symbiosis, with particular reference to the Caribbean region; Effect of pest management systems on biological nitrogen fixation; Agronomic evaluation of a rock phosphate as a phosphorus source for Leucaena leucocephala grown on an utisol; Nodulation of soybean grown under field conditions and inoculated with Bradyrhizobium japonicum strains; Effect of fertilization and Rhizobium inoculation on the growth of Leucaena and Gliricidia on an alfisol in south-western Nigeria; Early growth and nodulation in Leucaena and Gliricidia and the effects or pruning on biomass productivity; Comparative stude on the growth and productivity of Sesbania and Leucaena in the Central Plateau region, Rwanda; Supernoculation and non-nodulation mutants of soybean; Genetically improved rhizobia and their use in agriculture; Sustainability of nitrogen-fixing cropping systems: Nodulation and nitrogen fixation and transfer in a cowpea/rice cropping system; The role of legumes in sustaiing soil productivity and controlling soil erosion; Fitting soil-improving legumes into inland valley rice-baes cropping systems in West Africa; Herbage yield and soil fertility restoration potential of some tropical forage legumes.
Author : Jane Potter Gates
Publisher : Unknown
Page : 84 pages
File Size : 42,5 Mb
Release : 1993
Category : Cover crops
ISBN : MINN:31951D010372604
Author : J.K. Ladha,T. George,C. Bohlool
Publisher : Springer Science & Business Media
Page : 212 pages
File Size : 44,9 Mb
Release : 2013-03-09
Category : Nature
ISBN : 9789401709101
Chemical fertilizers have had a significant impact on food production in the recent past, and are today an indispensable part of modern agriculture. On the other hand, the oil crisis of the 1970s and the current Middle East problems are constant reminders of the vulnerability of our fossil fuel dependent agriculture. There are vast areas of the developing world where N fertilizers are neither available nor affordable and, in most of these countries, balance of payment problems have resulted in the removal of N fertilizer subsidies. The external costs of environmental degradation and human health far exceed economic concerns. Input efficiency of N fertilizer is one of the lowest and, in turn, contributes substantially to environmental pollution. Nitrate in ground and surface waters and the threat to the stability of the ozone layer from gaseous oxides of nitrogen are major health and environmental concerns. The removal of large quantities of crop produce from the land also depletes soil of its native N reserves. Another concern is the decline in crop yields under continuous use of N fertilizers. These economic, environmental and production considerations dictate that biological alternatives which can augment, and in some cases replace, N fertilizers must be exploited. Long-term sustainability of agricultural systems must rely on the use and effective management of internal resources. The process of biological nitrogen fixation offers and economically attractive and ecologically sound means of reducing external nitrogen input and improving the quality and quantity of internal resources. In this book, we outline sustainability issues that dictate an increased use of biological nitrogen fixation and the constraints on its optimal use in agriculture.
Author : Avtar Singh Bimbraw
Publisher : CRC Press
Page : 524 pages
File Size : 53,6 Mb
Release : 2021-06-23
Category : Technology & Engineering
ISBN : 9781000429640
The book explains the various existing, emerging and environmentally viable technologies for the sustainable and profitable crop productivity. The book also focusses on climate change, hurricanes and tropical storms, natural resources management, crop diversification, crop resource management, cropping systems, farming system, management of land use resources, conservation agriculture, crop residue management, renewable energy, precision agriculture, integrated nutrient management, integrated pest management. Note: T&F does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.
Author : E. Somasundaram,D. Udhaya Nandhini,M. Meyyappan
Publisher : CRC Press
Page : 412 pages
File Size : 50,7 Mb
Release : 2021-12-16
Category : Technology & Engineering
ISBN : 9781000533699
Principles of Organic Farming is a practical oriented text about organic crop management that provides background information as well as details of ecology-improving practices. This book is meant to give the reader a holistic appreciation of the principles and importance of organic farming and to suggest ecologically sound practices that help to develop and maintain sustainable agriculture. This book is intended as a professional basic textbook for undergraduate level students and will specifically meet the requirement of the students of organic farming being taught in all the agricultural universities across the globe. In addition, the purpose of this work is to spread the basic concepts of organic farming in order to; guide the production systems towards a sustainable agriculture and ecologically safe, obtain harmless products of higher quality, contribute to food security, generating income through the access to markets and improve working conditions of farmers and their neighborhoods. Note: T&F does not sell or distribute the hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka. This title is co-published with NIPA.
