Foundations, claims that food growth can only come through high external input. Impacts on food production and challenges for food security international. This seeks to optimise the use of locally available. Pdf the implementation of low external input sustainable. Leisais about low external input and sustainable agriculture. As changes in time and environment, the carrying capacity of the land is not enough again. The strategies and techniques of low externalinput and sustainable agriculture leisa in the tropics are examined, on the basis of a compilation of 8 years of work by the information centre for low externalinput and sustainable agriculture. If you are reading older literature about the us government and its involvement with sustainable agriculture. Healthy plants are the foundation for all life, sustainable ecosystems and food security. A simple, working alternative to expensive, risky, harmful, chemical agriculture. Low external input sustainable agriculture leisa india yumpu.
Research and extension systems play major role in generation and dissemination of agricultural. Plant breeding strategies for organic and low external input farming. Beside, the sustainability of agriculture for resourcepoor fanner in the. The central aim of the book is to show development workers how they can assist smallscale farmers in making the best use of lowcost local resources to solve their agricultural problems. Magazine on low external input sustainable agriculture leisa. Pdf lowinput sustainable agriculture using ecological. Objectives of the case study this study provides the database for leisa by documenting existing cases of low external input agriculture. Impact on low external input agriculture ileia and low external inputs for sustainable agriculture leisa. Still, there are formidable barriers that would have to be surmounted if low. This program was formerly referred to as lisa, for low input sustainable agriculture, but some groups objected to the low input part of this title, hence the name switch. Low external input sustainable agriculture leisa india. This centre has, through its network of over 5000 members, collected the experiences of innovative farmers, field workers and supporting. Mitigation and adaptation potential of sustainable farming systems two of organic agricultures current priorities improving crop and animal productivity under low external input. Lowexternalinput and sustainable agriculture leisa is agriculture which makes optimal use of locally available natural and human resources such as soil, water, vegetation, local plants and animals, and human labour.
Deforestation and loss of topsoil become the major threat for a sustainable agriculture in the. Low external input sustainable agriculture leisa in. This text examines the strategies and techniques of lowexternalinput and sustainable agriculture leisa in the. This is true in many parts of africa in particular where, with some important exceptions, agricultural. Research and extension systems play major role in generation and dissemination of agricultural technologies aiming at enhancing the income of farmers.
Sustainable agriculture depends on replenishing the soil while minimizing the use or need of nonrenewable resources, such as natural gas or mineral ores. Stein holden professor norwegian university of life sciences. This session discusses approaches such as those offered by organic and low external input sustainable agriculture combined with carbon finance mechanisms can produce better results. In recent decades, sustainable farmers and researchers around the world have responded to the extractive industrial model with ecologybased approaches, variously called natural, organic, low input. Low external input sustainable agriculture leisa approaches to soil fertility management optimise soil conditions for plant growth principles timely availability of.
Carbon cycles and sinks network events, lectures by feasta members. Is low external input technology contributing to sustainable agricultural development. In his role as the theme leader for sustainable agriculture. This text examines the strategies and techniques of lowexternalinput and sustainable agriculture leisa in the tropics and analyzes the scientific principles behind them. The follow ing chapter in this book describes some of those farms. Several interpretations of sustainable agriculture feature the reduction of external inputs, such as low external input sustainable agriculture leisa. Low input sustainable agriculture using ecological management practices. The use of chemicals for high crop productivity and compensation for soil, water and.
The first part of the book provides background information about the need for sustainable agriculture, and draws attention to the central role played by farmers in achieving it. Low external input sustainable agriculture leisa is receiving increased attention, both as a sustainable alternative to green revolutionlike strategies making intensive use of external inputs, and as a strategy of sustainable agriculture in resourcepoor environments where no or very few external. This is the pathway to sustainable agricultureand food security, as well as agrarian prosperity. An introduction to low external input and sustainable agriculture coen reijntjes, bertus haverkort, ann watersbayer macmillan, 1992 agricultural innovation 250 pages. It reaches a large number of people through exchange of information on practical field experiences on low external input and sustainable agriculture. Journal of biology, agriculture and healthcare issn 22243208 paper issn 2225093x online vol.
A farm that is able to produce perpetually, yet has negative effects on environmental quality elsewhere is not sustainable agriculture. The implementation of low external input sustainable agriculture leisa system can be one of possible answers to national and international issues such as 1 resilience for food and nutrition. Farmers handbook on basic agriculture preface a griculture is an important sector of indian economy as more than half of its population relies on agriculture as principle source of income. Functional biodiversity and pest management in organic farming. Contributed articles presented at an international workshop on networking for low external input and sustainable agriculture in silang, philippines, in march 1992, organized by international institute of. The central concepts of this book are low external input and sustainable agriculture leisa and participatory technology development ptd in the tropics. Unfortunately, this book cant be printed from the openbook. L ow external input technology leit is a prominent feature of many discussions about the role of agricultural technology in rural poverty reduction.
L ow external input technology leit is a prominent feature of many discussions about the role of agricultural. Wilma roem nl meeting making agricultural information available and accessible wageningen november 2008. Nammalvar attended a 4week training course conducted by the etc foundation, netherlands, on ecological agriculture. Reijntjes, coen, haverkort, bertus, watersbayer, ann. Repository on low external input and sustainable agriculture. In 1990, he founded a network called leisa low external input and sustainable agriculture to promote the concepts of ecological farming, specifically the importance of selfreliability and low external. The evaluation of leisa fieldexperiences in the philippines and in ghana.
Thus, a more accurate term would be different input or low external input rather than low input. Pdf the implementation of low external input sustainable agriculture leisa system can be one of possible answers to national and. Repository on low external input and sustainable agriculture 1. Low external input sustainable agriculture leisa is receiving increased attention, both as a sustainable alternative to green revolutionlike strategies making intensive use of external inputs, and as a strategy of sustainable agriculture in resourcepoor environments where no or very few external inputs are used. If you need to print pages from this book, we recommend downloading it as a pdf. Alternative farming methods which used organic and low external input approaches. Since the early days, they have carried out a similar activity like leisa.
Pdf lower external input farming methods as a more sustainable. About us leisa india low external input sustainable. The idea of low external input and sustainable agriculture leisa is not new for the communities in the central highlands irian jaya. Making the case for organic farming and for a low external. One of the most promising paradigms that has emerged for the benefit of scale resource poor farmers is low external input and sustainable agriculture leit which can enable such farmers. Introduction for several years in some continents like in the asiapacific region. Deforestation and loss of topsoil become the major threat for a sustainable agriculture. The jrc summer university low input farming systems. The term lowinput agriculture has been defined as a production activity that uses synthetic fertilizers or pesticides below rates commonly recommended by the extension service.
Low input sustainable agriculture had been proposed in the 1980s in order to reduce the production costs and biological degradation using ecological management practices in us pimentel et al. Low external input agricultural farming system for the. With the intent of making good books and literature accessible touniversity students and rest of the public, we put up a book stall. Magazine on low external input sustainable agriculture leisaindiadec20 free download as pdf file. Leisa india low external input sustainable agriculture. The strategies and techniques of low externalinput and sustainable agriculture leisa in the tropics are examined, on the basis of a compilation of 8 years of work by the information centre for low externalinput and sustainable agriculture ileia. There is a widespread conviction the leit is more accessible to resourcepoor households and can be the basis. Visit to get more information about this book, to buy it in print, or to download it as a free pdf. You will not find a recipe for it in any howto book.
27 177 586 1444 1503 1557 658 657 478 840 788 1270 597 603 313 1404 80 1531 743 461 350 490 206 1066 167 215 128 524 894 794 1402 1170 253 11 749 1437 76 1104