Analytic hierarchic process approach article pdf available september 2018 with 77 reads how we measure reads. Dada department of agronomy, university of ibadan, nigeria abstract. Based on the results, the most promising soil conservation technologies for the savanna are agronomic measures, such as mulching and cover cropping, as well as conservation tillage which can contribute to enhanced soil resource management in nigeria. The major problems include habitat degradation through uncontrolled logging, agricultural projects, industrial plantations, highway and urban development, and exploitation for fuelwood, overhunting and poaching steps taken so far. Akwa ibom state in the southsouth region of nigeria. It was revealed that the weakness of conservation and sustainable management effort is due to poor governance and lack of knowledge and scarcity of research programs on species conservation. Conservation of soil and water resources is important for sustainability of agriculture and environment. Reference soil ofthe southern guinea savanna of south western nigeria. Conservation of soil resources iucn cascade development project information brief no. In turn, factors influencing the adoption of conservation agriculture.
Soil physical conditions in nigerian savannas and biomass. In addition to improving soil fertility, water harvesting, enhancing the soilwater retention capacity and reducing soil erosion are measures that could significantly improve agricultural productivity in rainfed marginal environments. The need to conserve soil resources for greater productivity and protect the environment from degradation is of utmost priority. Pdf farmers preference for soil and water conservation. Soils fundamental concepts the soil in perspective. It is precisely in this connection that the report soil conservation in nigeria. Resources and publications offering information on soil health are provided below. Use of vetiver grass for soil and water conservation in. Status and challenges of soil management in nigeria provision of adequate food supply to satisfy the needs of the whole population has always been one the pressing need of every countrys government. Conservation, morogoro, tanzania crispen marunda, researcher, forest hydrology section, division of forest research and development, forestry tasmania, 79 melville street, hobart, australia keith mbata the dry forests and woodlands of africa. Soil and water resources are under immense pressure due to ever increasing population thereby ensuing growing demand for food, fiber and shelter. Introduction the loss of soil from land surfaces by erosion is widespread globally and. Soil depth cm sand silt clay airdried soil gravel content 015 834 94 72 124 1530 745 95 160 120 3045 706 105 190 128.
Moench in southwest nigeria t agbede, s ojeniyi, f adekayode requires subscription pdf soil properties and yam performance in differently tilled soils in auchi area, edo state of nigeria. E2 1,2 department of geology, university of port harcourt, port harcourt, nigeria. Glossary of soil and water conservation terms pdf golf course. Thus, soil and water conservation practices are becoming increasingly important in the arid and semiarid. The nigerian journal of soil science publishes research works in all aspects of soil science. Erosion processes and soilconservation technology 4. Choice of soil management techniques as adaptation to. In nigeria only the sahel zone has this type of vegetation eg north. In order to keep the land productive, a good conservation program is imperative. The country was estimated to be losing an average of 24 kg nutrientsha per year 10 kg n. The contribution of soil and water conservation to. Use of vetiver grass for soil and water conservation in nigeria babalola, o s. Pimentel introduction a h e a l t h y and prudently managed environment is a major benefit to humans and other species. Asthis century nears its end, as demands for food and competition forland accelerate, the most importaut.
Cameroun highlands and the jos plateau in the middle belt of nigeria fdf, 1999. Population increase, unemployment, unsustainable agricultural practices, mining and quarrying, infrastructure, transportation and energy are the drivers of the degradation. The country has a total land area of 923,786 km2 with a population of about 180 million people, currently less than 10% of the total land area is classified as forest. Soil organic matter som fractions for 186 lucas 2009 soil samples grassland, forest. Nigerian vegetation pdf forest is vegetation that is dominated by tall, mostly evergreen trees and there is hardly. Farmers preference for soil and water conservation practices in nigeria. Soil texture soil texture is determined by the relative proportions of sand, silt, and clay in the soil. Impact of a growing population on natural resources. Soil conservation in nigeria soil and water conservation society. To curb erosive land degradation requires soil conservation measures that are cheap, replicable and. Bn 2546302 with over 15,000 plus of research topics and materials sorted by departments.
Soil conservation david sanders world association of soil and water conservation, bristol, england,uk keywords. Evaluation of farmers knowledge on soil conservation practices in lafia, nasarawa state, nigeria 1ilyas yakub and 2nasiru idris medugu 1,2department of geography, nasarawa state university, keffi, nigeria abstract. National forest management and conservation plan page ix forestry department executive summary the national forest management nd conservation plan forest plan is presented in a three parts. Agricultural productivity is highly sensitive to changes in the climate and also depends largely on the soil management practices and the various cropping systems. All these must be employed in the six ecological zones of nigeria, ranging. Soil erosion persists on agricultural lands in nigeria. Soil and water conservation practices in the savanna of. Past and present onstation and onfarm initiatives by junge et al. Soil conservation in nigeria soil and water conservation. Soil physical conditions in nigerian savannas and biomass production 365 the savannas of nigeria and agricultural production nigeria is located in the tropical zone between latitude 4o and 14on, and longitude 2oe, with a vast area having savanna vegetation figure 1. Use of vetiver grass for soil and water conservation in nigeria o.
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. The purpose of this paper is to identify the erosion sites in the study area, to analyze its soil nature and to assess the overall effects. Soil and water resources are being deteriorated due to different anthropogenic and natural factors. Status and challenges of soil management in nigeria.
This handbook has been written by experienced soil conservators drawing on their own and their colleagues practical experience, underpinned by the science undertaken on the subject for the last 50 years. Nigeria final report of the land degradation neutrality. Abstract the study of geotechnical index properties of soils in warri, delta state was carried out to determine the index properties of soil. Soil conservation is a set of management strategies for prevention of soil being eroded from the earths surface or becoming chemically altered by overuse, salinization acidification, or other chemical soil. Makumbib a contributing authors for tanzania case study. Scientific discussion is supported by appropriate data and more than 200 references. All life on earth obtains its food and other necessities from this environment. In nigeria, one of the reasons for the failure of agricultural plans is underestimating the importance of. Remigios is a doctoral student at the university of fort hare abstract.
Another important area of land management, namely riparian management, is not. Overall soil is being lost from land areas 10 to 40 times faster than the rate of soil renewal imperiling future human food security and environmental quality. Soil and water conservation 265 life on this planet, as the so il is an essential resource to suppor t plants for producing food, and to provide shelter to insects and animals. None of these soils was rated as class 1 with high productivity by the fao. Indigenous knowledge systems and the conservation of natural resources in the shangwe community in gokwe district, zimbabwe renias ngara ngara renias is a master of arts in music student at the university of fort hare remigios v.
Conservation is the planning and management of natural resources in order to secure their wise use and continuity of supply while maintaining and enhancing their quality, value and diversity. Many parts of africa are experiencing annual population growth rates between 2 and 4 %, degradation of the natural resource base, recurrent droughts and a growing dependence on food aid as well as the import of cereals to cover food deficits. To curb erosive land degradation requires soil conservation measures that are cheap, replicable and sustainable. The contribution of soil and water conservation to sustainable livelihoods in semiarid areas of subsaharan africa edited by charlotte boyd and cathryn turton with n. Nigeria environmental report the interior zones of lateritic soils are generally found in the guinea savanna, deeply corroded and grey or reddish in colour.
The challenge for environmental management david pimentel, x. This study is aimed at evaluating the level of farmers knowledge on soil conservation practices towards providing. 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. This study was therefore undertaken to investigate the accuracy of the fdalrproduced soil map of nigeria to ascertain its reliability for use being the first and only soil map of the country commissioned by the federal government of nigeria materials and methods. A worldrenowned soil scientist, lal received the prestigious world congress of soil science liebig applied soil science. These soil types vary in their potential for agricultural use. The geotechnical index properties of soil in warri, delta state, nigeria oghonyon rorome1 and ekeocha n. Nigerian vegetation pdf nigerian vegetation pdf download. Evaluation of forest resources conservation laws in nigeria abere s. The major soil types in nigeria, according to fao soil taxonomy legends are fluvisols, regosols, gleysols, acrisols, ferrasols, alisols, lixisols, cambisols, luvisols, nitosols, arenosols and vertisols. Soil survey manual ssm the newly updated soil survey manual issued march 2017, usda handbook no. According to fao 2001, nigeria is one of the countries with high declining soil fertility.
Soil physical conditions in nigerian savannas and biomass production 367 table 3. The researchers intend to create awareness and proffer. The manual serves as a guiding document for activities of the national cooperative soil survey ncss. The soil and water conservation society swcs is a nonprofit scientific and educational by mechanical soil disturbance caused by inappropriate excessive. Part i provides background information on forest policy and law, a description of forest lands and an overview of the forestry sector. Evaluation of farmers knowledge on soil conservation.