An introduction to low external input and sustainable agriculture coen reijntjes, bertus haverkort, ann watersbayer macmillan, 1992 agricultural innovation 250 pages. 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. It reaches a large number of people through exchange of information on practical field experiences on low external input and sustainable agriculture. Leisais about low external input and sustainable agriculture. Healthy plants are the foundation for all life, sustainable ecosystems and food security.
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. Still, there are formidable barriers that would have to be surmounted if low. 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. This centre has, through its network of over 5000 members, collected the experiences of innovative farmers, field workers and supporting. Low external input agricultural farming system for the. 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. Stein holden professor norwegian university of life sciences. Impacts on food production and challenges for food security.
This text examines the strategies and techniques of lowexternalinput and sustainable agriculture leisa in the tropics and analyzes the scientific principles behind them. Pdf the implementation of low external input sustainable agriculture leisa system can be one of possible answers to national and. 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. Research and extension systems play major role in generation and dissemination of agricultural technologies aiming at enhancing the income of farmers. An introduction to low external input and sustainable agriculture. As changes in time and environment, the carrying capacity of the land is not enough again. Is low external input technology contributing to sustainable agricultural development. With the intent of making good books and literature accessible touniversity students and rest of the public, we put up a book stall. If you are reading older literature about the us government and its involvement with sustainable agriculture. You will not find a recipe for it in any howto book. Objectives of the case study this study provides the database for leisa by documenting existing cases of low external input agriculture.
Functional biodiversity and pest management in organic farming. About us leisa india low external input sustainable. 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. Since the early days, they have carried out a similar activity like leisa. Journal of biology, agriculture and healthcare issn 22243208 paper issn 2225093x online vol.
This is true in many parts of africa in particular where, with some important exceptions, agricultural. Pdf lowinput sustainable agriculture using ecological. Repository on low external input and sustainable agriculture. Magazine on low external input sustainable agriculture leisa. Impact on low external input agriculture ileia and low external inputs for sustainable agriculture leisa. Alternative farming methods which used organic and low external input approaches. 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. The idea of low external input and sustainable agriculture leisa is not new for the communities in the central highlands irian jaya. Research and extension systems play major role in generation and dissemination of agricultural. Several interpretations of sustainable agriculture feature the reduction of external inputs, such as low external input sustainable agriculture leisa. 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. The use of chemicals for high crop productivity and compensation for soil, water and. Reijntjes, coen, haverkort, bertus, watersbayer, ann. Leisa india, is one such initiative that has evolved into a meaningful platform for sharing ecofarming alternatives.
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. The central concepts of this book are low external input and sustainable agriculture leisa and participatory technology development ptd in the tropics. If you need to print pages from this book, we recommend downloading it as a pdf. Pdf the implementation of low external input sustainable. Introduction for several years in some continents like in the asiapacific region. Sustainable agriculture depends on replenishing the soil while minimizing the use or need of nonrenewable resources, such as natural gas or mineral ores. 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. Repository on low external input and sustainable agriculture 1. 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. Foundations, claims that food growth can only come through high external input.
Low external input sustainable agriculture leisa approaches to soil fertility management optimise soil conditions for plant growth principles timely availability of. L ow external input technology leit is a prominent feature of many discussions about the role of agricultural technology in rural poverty reduction. A simple, working alternative to expensive, risky, harmful, chemical agriculture. The follow ing chapter in this book describes some of those farms. Carbon cycles and sinks network events, lectures by feasta members. A farm that is able to produce perpetually, yet has negative effects on environmental quality elsewhere is not sustainable agriculture. Low external input sustainable agriculture leisa in. Nammalvar attended a 4week training course conducted by the etc foundation, netherlands, on ecological agriculture. Thus, a more accurate term would be different input or low external input rather than low input. Deforestation and loss of topsoil become the major threat for a sustainable agriculture in the. Low input sustainable agriculture using ecological management practices. 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. 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 yumpu. 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. Plant breeding strategies for organic and low external input farming. Low external input sustainable agriculture leisa india. This seeks to optimise the use of locally available. L ow external input technology leit is a prominent feature of many discussions about the role of agricultural. 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.
Visit to get more information about this book, to buy it in print, or to download it as a free pdf. Magazine on low external input sustainable agriculture leisaindiadec20 free download as pdf file. The evaluation of leisa fieldexperiences in the philippines and in ghana. Ppt low external input sustainable agriculture leisa. Beside, the sustainability of agriculture for resourcepoor fanner in the. Impacts on food production and challenges for food security international. The jrc summer university low input farming systems. Chapter 1 introduces the concept of sustainable agriculture.
Low external input agricultural farming system for. Mitigation and adaptation potential of sustainable farming systems two of organic agricultures current priorities improving crop and animal productivity under low external input. Unfortunately, this book cant be printed from the openbook. 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.
Pdf lower external input farming methods as a more sustainable. Leisa india low external input sustainable agriculture. Deforestation and loss of topsoil become the major threat for a sustainable agriculture. 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. Making the case for organic farming and for a low external.
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