1,721,021 research outputs found
Managing rangelands: promoting native shrub species: Bassia prostrata (L.): A resilient drought and salt tolerant shrub use for rangeland improvement and for provision of quality fodder for livestock
No full textArid and semi-arid rangelands face increasing climate variability and grazing pressure as the world’s demand for food increases. ICARDA is introducing drought tolerant species as a crucial means of assisting rangeland rehabilitation efforts, helping to conserve rapidly-depleting water resources and maintain grazing at sustainable levels. The result: a win-win situation for rural communities and the environment
Utilization of Marginal Water and Lands in the Zerafshan Rever Basin as Part of a Climate Change Adaptation Strategy
No full textThis paper considers how marginal mineralized waters and salt affected soils can contribute to land remediation and create additional nutrition values for livestock and agropastoral communities through cultivation of arid/semiarid salt loving plants (halophytes) under water scarcity conditions. The mobility of toxic pollutants is highly facilitated by both chemical properties of soils and the aridity of the climate. Plants under such environments face multiple stresses caused by high temperatures, water and soil salinity, heavy metals, high PH and long-term water-shortage. There are limited numbers of native species along Zeravshan River Basin able to establish themselves in these soils and produce palatable biomass. Being irrigated with low quality drainage and thermal artesian water, species of the genera Artemisia, Climacoptera, Alhagi, Glycyrrhiza and Kochia exhibited clear distribution patterns and their abundance ar1d yield of green biomass varied significantly along salinity and aridity climatic gradients. The limits of mineralization of the marginal water optimum for crops growth and green biomass accumulation were found to be varied in the range of 2000-8200 mg 1·1. The soil salinity at the root zone was about 45 dS m·1 and salinity level of the ground water was 8.0-16.5 dS m·1, inappropriate for the imitation of traditional agricultural crops. A monitoring system for controlling interaction of chemical content of non-conventional irrigation water and salt affected soils through plants above-ground biomass over several sites in downstream area of Zeravshan river flow was established. Alternative use of marginal water and lands play a significant role in further development of climate change adaptation strategy leading to produce autumn-winter forage and improve the feeding system for livestock, thus diversifying animal products and incomes of local agropastoral communities by ensuring sustainable ecosystem function and resilience
Promoting Sustainable Renewable Water and Bio-energy Production on Marginal Lands in Central Asia
No full textPromoting sustainable renewable energy production on marginal lands of Central Asia on marginal lands of Central Asia, presentation delivered during the 14th CAC Steering Committee Meeting in Uzbekistan
Promotion of high yield forage crops in shortfarming rotation system under sprinkler irrigation on marginal lands (Kazakhstan)
No full textIn southern-western part of Kazakhstan like in other Central Asian countries, intensive irrigation leads to soil erosion, loss of organic matter, salinization and waterlogging. The awareness of farmers on soil/water conservation and management of marginal lands is also very poor. Measures for the reclamation of salt prone marginal lands and water applied to crop and irrigation scheduling is still based on the previous traditional approaches. Furthermore, poor quality of soil and lack of water cause shortages of forage for livestock feeding in arid and semiarid regions are resulting in recurrent malnutrition for rangeland animals. To tackle the associated risks for sustainable agriculture and the long-term welfare of rural communities, researchers point to the need for diversification of agro-biodiversity and development of sustainable arid fodder and livestock feeding production
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
First Women Field Training Seminar “Alternative forage crops for animal feeding in winter on household farms”
No full textBrief report on a one day training for household farms, specifically targeting women, on alternative forage crops for animal feeding in winter on household farm
Возделывание амаранта на засоленных почвах Каракалпакии
No full textРодина амаранта (ширица) — Центральная и Южная Америка. Это однолетнее однодомное растение из семейство амарантовых (Amaranthaceae). Растения достигают 2-3 м высоты,
с толщиной стебля 8-10см, масса растения 3-5 до 30кг. Листья крупные, продолговато- ллиптические
с длинными черешками, клиновидные у основания, и острые к верхушке. Соцветие — пышная метелка, длиной 1,5 м разной формы и плотности. Семена мелкие, белые, розовые, коричневые и черные, блестящие, словно лакированные. Масса 1000 зерен всего 0,6-0,9 г. В метелке образуются до 0,5 кг семян. Благодаря наличию во всех своих частях необходимых человеку биологически активных веществ, является уникальной пищевой и лечебной культурой. Но больше всего этих веществ содержится в зернах амаранта, из которых извлекают масло - ценнейший источник доровья и долголетия
Enhanced Forage and Bioenergy Production
No full textSalinization is a global problem facing agricultural in arid and semi-arid regions with estimates of more than 1.5 million hectares of agricultural land lost yearly to salinity. Cultivating halophytes that remove salts from soils and water, offers a sustainable course of action to address this rising global threat to food security. Some halophytes provide good human and animal feed while others can be used in industries or to generate renewable bioenergy. Reclaiming saline lands near artificial lakes in the Aral Sea Basin areas using specific halophytes could benefit the economy of surrounding areas as it will not only reduce the salinity in the surrounding lands but reduce salt loads to the lakes
Progress report for Activity: Increased winter feed production from arable land and hayfields
No full textShort progress report on demonstrating forage option
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