Starting in four tigray communities in 1996, family farmers, the institute for sustainable development isd, the bureau of agriculture and rural development of tigray board and mekelle university. Beside, the sustainability of agriculture for resourcepoor fanner in the. Is low external input technology contributing to sustainable agricultural development. However, demands for increased production put considerable. Leia means maximum utilization of local resource with less dependency on external input for. The first two articles of this dissertation describe field studies carried out to compare agronomic productivity and weed seed decay in a conventional 2year rotation and two lowexternalinput crop. Cropyield and economic comparisons of organic, lowinput, and conventional farming systems in californias sacramento valley volume 14 issue 3 sean clark, karen klonsky, peter. 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. Thus, a more accurate term would be different input or low external input rather than lowinput. Unfortunately, this book cant be printed from the openbook. A case study of hill farming in a developing country.
Penerapan sistem leisa low external input and sustainable. Pdf lowinput sustainable agriculture using ecological. The approach they are using, or looking into, is now called low input sustainable agricul ture lisa. Some features of this site may not work without it. An umbrella concept for sustainable agriculture in europe a new model for european agriculture sustainable agriculture means farming systems which are ecologically sound. Low external input sustainable agriculture leisa in. Low input sustainable agriculture using ecological management practices. Low external input supply agriculture leisa low input agriculture the term low input agriculture has been defined as a production activity that uses synthetic fertilizers or pesticides below rates commonly recommended by the extension service.
Agronomic productivity of conventional and lowexternal. L ow external input technology leit is a prominent feature of many discussions about the role of agricultural technology. Pdf lower external input farming methods as a more sustainable. The jrc summer university low input farming systems. The idea of low external input and sustainable agriculture leisa is not new for the communities in the central highlands irian jaya.
Repository on low external input and sustainable agriculture 1. Low external input agricultural farming system for the. Sustainable agriculture depends on replenishing the soil while minimizing the use or need of nonrenewable resources, such as natural gas or mineral ores. As changes in time and environment, the carrying capacity of the land is not enough again. Low external input technology leit is a prominent feature of many discussions about the role of agricultural technology in rural poverty reduction. There are farmers across the country who think so, or at least want to try. The evaluation of leisa fieldexperiences in the philippines and in ghana. Leisa india low external input sustainable agriculture.
Low external input agriculture leia is important for the sustainable agriculture design. Mitigation and adaptation potential of sustainable farming systems two of organic agricultures current priorities improving crop and animal. Objectives of the case study this study provides the database for leisa by documenting existing cases of low external input agriculture, use of indigenous technologies. The adoption of lowexternal input sustainable agriculture. High external input agriculture how is high external. Lowinput translates into organic, or something pretty close. All this can greatly contribute to make the system ecologically sustainable. Lowinput 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 supply agriculture leisa cultivation. A simple, working alternative to expensive, risky, harmful, chemical agriculture. Penerapan sistem leisa low external input and sustainable agriculture terhadap pertumbuhan dan produksi rumput raja pennisetum purpupoides pada pemotongan.
Green revolution chemical farming methods high external. The importance of integration in sustainable agricultural systems. Diversity in farming translates into polyculture mixed farming with genetically varied crops and animals, all raised synergistically. Healthy plants are the foundation for all life, sustainable ecosystems and food security. 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. Conventional agriculture has caused economic problems associated with over production of crops. Pdf the implementation of low external input sustainable agriculture leisa system can be one of possible answers to national and. Low external input sustainable agriculture listed as leisa. Sustainable agriculture and natural resource management sanrem knowledgebase. Organic agriculture a system aimed at producing food with minimal.
If you need to print pages from this book, we recommend downloading it as a pdf. High external input agriculture depends heavily on artificial chemical inputs such as fertilisers and pesticides, hybrid seed, mechanisation based on fossil fuels and often also irrigation where developing. Low external input sustainable agriculture how is 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. The leisa concept seeks to optimize the use of locally available resources by maximizing the complementary and synergistic effects of different components of the. This text examines the strategies and techniques of low externalinput and sustainable agriculture leisa in the tropics and analyzes the scientific principles behind them. The central aim of the book is to show development workers how they can assist smallscale farmers in making the best use of low cost local resources to solve their. There are farmers across the country who think so, or at least want to. One of the most promising paradigms that has emerged for the benefit of small scale resourcepoor farmers is low external input and sustainable agriculture. Organic agriculture as an opportunity for sustainable.
The use of chemicals for high crop productivity and compensation for soil, water and. Carbon cycles and sinks network events, lectures by feasta members. Pdf the implementation of low external input sustainable. The importance of integration in sustainable agricultural. Is it possible to farm profitably while conserving natural resources and pro tecting the environment. 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. Foundations, claims that food growth can only come through high external input farming, either on existing green revolution lands or on the highpotential areas that. Low external input sustainable agriculture leisa in selected countries of asia.
Farmers handbook on basic agriculture acknowledgement h igher demand for agricultural raw material is now anticipated and agriculture is not any more about producing farm products and selling them. Lowexternalinput and sustainable agriculture leisa is agriculture which makes optimal use of locally available natural and human resources such. Low external input and sustainable agriculture the idea of low external input and sustainable agriculture leisa is not new for the communities in the central highlands irian jaya. Low external input sustainable agriculture how is low external input sustainable agriculture. Cropyield and economic comparisons of organic, lowinput. Since the early days, they have carried out a similar activity like leisa. Introduction for several years in some continents like in the asiapacific region. Low external input sustainable agriculture smallholder. The ecological dynamics of low external input agriculture. Low external input supply agriculture leisa lowinput agriculture the term lowinput agriculture has been defined as a production activity that uses synthetic fertilizers or pesticides below rates. Leisais about low external input and sustainable agriculture. Lowinput sustainable agriculture is it possible to farm profitably while conserving natural resources and pro tecting the environment. Wilma roem nl meeting making agricultural information available and accessible wageningen november 2008. Put sa technologies under critical scientific assessment.
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