It is operated by the usda natural resources conservation service nrcs and provides access to the largest natural resource information system in the world. Iv soil conservation david sanders encyclopedia of life support systems eolss soil conservation david sanders world association of soil and water conservation, bristol, england,uk keywords. For soil testing, soil is taken from 15 different places. The bare ground between plants is covered with a layer of organic matter like straw. Nrcs has soil maps and data available online for more than 95 percent of the. For effective conservation of soil and water, we must treat and use the. View and download powerpoint presentations on on soil erosion and conservation ppt. Jul 18, 2004 terrific powerpoint template with sprouts and soil will be a great choice for presentations on agronomy, agricultural sciences, agriculture, agrology, farming, land treatment, tillage, exhaustion of the soil, soil aeration, soil analysis, soil conditions, applying fertilizers, fertilization, etc. Soil conservation definition of soil conservation by the. Soil is a product of the environment, constantly changing. Some of the methods that must be adopted for conserving soil are as follows. Eco allstar kids soil conservation ideas and projects for kids.
Water and air are found in the pore spaces of soils. Jason warren soil and water conservationmanagement extension specialist 273 ag hall stillwater, ok, 74078. Soil can be thought of as the skin of the land without it. Soil conservation soil conservation is a set of management strategies for prevention of soil being eroded from the earths surface or becoming chemically altered by overuse, acidification, stalinization, soil erosion or other chemical soil contamination to retain the fertility of soil. Soil quality is defined as the soils capacity to function. Soil conservation is important because if we run out of healthy soil, we would be unable to plant the crops that are necessary to feed all of the people and animals on earth. Steep slopes may essentially be brought under permanent forests and gentle slopes should be terraced and valley bottom should be put under suitable agricultural crops. Soil conservation is the protection of soil from erosion and other types of deterioration. Methods and materials in soil conservation a manual written and illustrated by john charman consultant to fao under the supervision of rod gallacher, technical officer soil conservation agll, fao. Terrific powerpoint template with sprouts and soil will be a great choice for presentations on agronomy, agricultural sciences, agriculture, agrology, farming, land treatment, tillage, exhaustion of the soil, soil aeration, soil analysis, soil conditions, applying. Oecd glossary of statistical terms soil conservation.
Roosevelt believed it was the federal governments duty to help the american people get through the bad times like the dust bowl. Soil erosion wreaks havoc on our environment, and soil conservation is the effort to prevent erosion and improve the quality of soil. Soils develop over time very slowly in dry desert areas and more quickly in wet tropical regions. It is an expensive method or reducing soil erosion since it requires moving soil to construct the leveled areas, protecting the steep areas between terraces and constant repair and maintenance.
Soil a complex mixture of mineral matter, organic matter and living organisms. The actual art of soil conservation is based on certain basic principles which include. Soil ph depends on the minerals, sediment, and organic matter found in the soil. Objectives nature of soil and water water conservation soil erosion protective measures 2. Soil conservation is a combination of all methods of management and land use that safeguard the soil against depletion or deterioration by natural or humaninduced factors.
In order to equip the community as well as mdt members with the basic knowledge about these mechanical measures, this manual for soil conservation works has been prepared. Soil erosion occurs if the soil is blown away by wind. Terracing gives the landmass a stepped appearance thus slowing the easy washing down of the soil. Soil ph is a measure of how acidic or basic the soil is.
Three methods of soil conservation include the prevention of soil erosion, reducing tillage and rotational grazing to prevent overgrazing. Find powerpoint presentations and slides using the power of, find free presentations research about on soil erosion and conservation ppt. Slashandburn and other unsustainable methods of subsistence farming are practiced in some. Broadly categorizing there are two methods of soil conservation. Constantinesco soil conservation consultant soil resources development and conservation service land and water development division food and agriculture organization of the united nations rome 1976 table of contents foreword part i soil erosion 1 introduction 1.
Use these handson activities to help your students understand. The text reflects the postgraduate course in soil conservation at silsoe college, as taught to students from over 40 different countries. Soil conservation encyclopedia of life support systems. In drier areas, you can combine it with waterharvesting methods to make more water available to the crop. If you see your soil eroding, protect it with grass or plants. In order to do this proper land utilisation coupled with agricultural practices should be adopted. Paul brown talks on why soil health is important to farming duration. Tech agricultural engineering college of agricultural engineering, tamil nadu agricultural university, kumulur, tiruchirapalli621712.
Soil and water conservation through vegetative measures introduction. Raper agricultural engineer and lead scientist usda ars, auburn, alabama j. Soil conservation soil conservation is a set of management strategies for prevention of soil being eroded from the earths surface or becoming chemically altered by overuse, acidification, salinization, soil erosion or other chemical soil contamination to retain the fertility of soil. For presentation at the 2006 agricultural equipment techonology conference.
Critical soil functions include the ability to support plant growth and productivity, nutrient cycling, and water partitioning. The problem of soil conservation is very complicated and is receiving attention of scientists and engineers. Soil conservation measures should aim at preventing or at least minimising the soils loss. Soil conservation is the best way to make sure that we have the land we need to live on or, in my case, live in. Iv soil conservation david sanders encyclopedia of life support systems eolss symptom of bad land use and management.
The largest stones should be placed at the bottom layer. Conservation agriculture can help overcome both by conserving soil and by storing water in the soil. Web soil survey wss provides soil data and information produced by the national cooperative soil survey. It aims to promote the integration of successful soil and water conservation. Soil conservation contour plowing soil conservation and sustainable agriculture 5. Terracing is one of the very good methods of soil conservation. Soil and water conservation is the basis of such a program, and also helps improve land impoverished by erosion and overusemakes it more productive so that it can support more people. Oct 15, 2015 soil conservation is a combination of all methods of management and land use that safeguard the soil against depletion or deterioration by natural or humaninduced factors. Soil conservation is the prevention of loss of the top most layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination. Soil conservation is a set of management strategies for prevention of soil being eroded from the earths surface or becoming chemically altered by overuse, acidification, salinization or other chemical soil contamination. It aims to promote the integration of successful soil and water conservation approaches and techniques into land use systems worldwide. Wocat, world overview of conservation approaches and technologies, launched in 1992, is a project of the world association of soil and water conservation waswc in collaboration with several institutions and coordinated by the university of bern, switzerland.
Design of soil and water conservation structures for smallholder agriculture training notes by prof. This act established catchment boards and enabled the appropriation of government and local body funds to assist with the construction of erosion control measures and. Ppt soils powerpoint presentation free to download id. Unesco eolss sample chapters land use, land cover and soil sciences vol. Soil conservation includes all those measures which help in protecting the soil from erosion and exhaustion. Soil conservation is fundamentally a matter of determining a. Soil conservation is the protection of soil from erosion and other types of deterioration, so as to maintain soil fertility and productivity. If erosion is severe, you can combine conservation agriculture with other techniques to control erosion. If you see something thats making the soil sick, do everything you can to make the soil healthy again. Soil erosion has been continuing over, such a large part of india for such a. What is soil conservation and what are various ways to.
Erosion caused in this case by an intense thunderstorm squall lifting the soil from the fields photo by arjen verkaik, skyart productions. Corn growing in a notillage system plot as part of the longterm sustainable agriculture demonstration project at beltsville, maryland. A terrace is a leveled section of a hilly cultivated area. Soil conservation soil conservation is a set of management strategies for prevention of soil being eroded from the earths surface or becoming chemically altered by overuse, acidification, salinization, soil erosion or other chemical soil. Dig a v shape pit in the ground which is 15 cm deep.
Take soil sample 2 to 3 cm thick from one side of it. Soil color depends on the minerals and organic matter that make up the soil. A free powerpoint ppt presentation displayed as a flash slide show on id. There are many ways to conserve soil, some are suited to those areas where farming is done, and some are according to the soil needs. Optimizes soil moisture, enhancing crop growth in dry periods or on droughty soils. Soil conservation and the end of the dust bowl out of the dust. Soil conservation and water conservation are achieved simultaneously and go handinhand. Ppt soils powerpoint presentation free to download. By watering and settling the soil, one can prevent soil erosion from the blowing away of soil by wind. Soil conservation practices are tools the farmer can use to prevent soil degradation and build organic matter. These activities will propose and executed by the gram panchayats. Soil and water conservation swc are activities that maintain or enhance the productive capacity of land in areas affected by or prone to soil erosion. Soil conservation in hilly areas soil management india.
The erosion of siwaliks has been studied by glover and hamilton 1935 and gorrie 1951 and various methods have been suggested for soil conservation. Crop rotation is a tool that enables farmers to increase soil organic matter content, soil structure and rooting depth. Conservation tillage eliminates or restricts tilling in traditional tilling, surface soil is inverted, plant residue buried bare soil. Soil conservation in hilly areas requires a wellplanned and rational land use programme combined with engineering and cultural measures. Soil erosion, use of chemical pesticides and herbicides, unsustainable agricultural practices, excessive farming, water pollution and land pollution are some of the aspects upsetting the natural functions of the soil. In order to keep the land productive, a good conservation program is imperative. Soil conservation is when you prevent soil erosion by planting new plants, taking care of plants, or keeping soil from being contaminated.
Soil conservation method is a set of management strategies for prevention of soil being eroded from the earths surface or becoming chemically altered by overuse, acidification, salinization or other chemical soil contamination. Affordable and search from millions of royalty free images, photos and vectors. The soil is piled upstream to be used later for the refill. Soil and water conservation through vegetative measures. Soil conservation and the end of the dust bowl the government began to offer relief to farmers through president franklin d.
Soil conservation fao soils portal food and agriculture. The result is a teaching text which will be of use in all countries where soil conservation is a major consideration in agricultural development. Following is the correct procedure to collect soil for soilsample. Soil quality can affect plant establishment and vigor, community composition, and colonization of invasive species. Soil conservation is the practice of protecting the soil against erosion or deterioration. One of the effective soil conservation ways in india is the drip irrigation system which provides water to the soil without the water runningoff. Insitu moisture conservation principle and practices. Owing to its unique structure, it prevents the rapid surface runoff of water.
Describe some methods of soil conservation social science. Terracing is the only practical method of soil conservation on steep land. The chief agents of soil erosion are water and wind. Design of soil and water conservation structures for. This material is provisionally made accessible in the present form in order to make the contents widely available in advance of eventual printing. Soil conservation is important because if we run out of healthy soil, we would be unable to plant the crops that are necessary.
Soil conservation and the end of the dust bowl out of. Eco allstar kids soil conservation ideas and projects. Ppt soil erosion and conservation powerpoint presentation. Mac kirby principal research scientist csiro land and water, canberra, australia.
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