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Articles 1 - 8 of 8
Full-Text Articles in Life Sciences
Balancing Limiting Factors & Economic Drivers For Sustainable Midwestern Us Agricultural Residue Feedstock Supplies, Wally W. Wilhelm, J. Richard Hess, Douglas L. Karlen, Jane M. F. Johnson, David J. Muth Jr., John M. Baker, Hero T. Gollany, Jeff M. Novak, Diane E. Scott, Gary E. Varvel
Balancing Limiting Factors & Economic Drivers For Sustainable Midwestern Us Agricultural Residue Feedstock Supplies, Wally W. Wilhelm, J. Richard Hess, Douglas L. Karlen, Jane M. F. Johnson, David J. Muth Jr., John M. Baker, Hero T. Gollany, Jeff M. Novak, Diane E. Scott, Gary E. Varvel
David J. Muth
Advanced biofuels will be developed using cellulosic feedstock rather than grain or oilseed crops that can also be used for food and feed. To be sustainable, these new agronomic production systems must be economically viable without degrading the soil and other natural resources. This review examines six agronomic factors that collectively define many of the limits and opportunities for harvesting crop residue for biofuel feedstock in the midwestern United States. The limiting factors include soil organic carbon, wind and water erosion, plant nutrient balance, soil water and temperature dynamics, soil compaction, and off-site environmental impacts. These are discussed in relationship …
Spring-Fed Stream Benthic Macroinvertebrate Communities As Early Biological Indicators Of Groundwater Tipping Points., Rosemary A. Burk, Jan Kallberg, James H. Kennedy
Spring-Fed Stream Benthic Macroinvertebrate Communities As Early Biological Indicators Of Groundwater Tipping Points., Rosemary A. Burk, Jan Kallberg, James H. Kennedy
Rosemary A. Burk
In 2007, a 20-county area encompassing the Dallas-Fort Worth Metroplex was designated by the State as a Priority Groundwater Management Area (PGMA) in need of implementing strategies for groundwater conservation. The newly created PGMA’s population is expected to increase from 5.5 million in 2000 to 9.5 million by 2030 with projected water needs rising from 1,677 million m3 in 2000 to 3,034 million m3 by 2030 according to a study by Texas Commission on Environmental Quality (TCEQ). The Trinity Aquifer supplied 73% of the area’s groundwater in 2000, with the aquifer outcrop zone being highly susceptible to anthropogenic sources of …
Need Of Open Access Repositories For Nars In India, Aneeja Guttikonda
Need Of Open Access Repositories For Nars In India, Aneeja Guttikonda
aneeja guttikonda
No abstract provided.
Participatory Rural Appraisal, Ganesh Chandra
Participatory Rural Appraisal, Ganesh Chandra
Ganesh Chandra
Participation, empowerment and inclusion have become the new development buzzword. There has been a range of interpretations of the meaning of participation in development. Participatory development starts from the premise that it is important to identify and build upon strengths already present in communities. Perhaps the most widespread appearance of participation in mainstream development has been seen in the form of participatory methodologies of research, intended to gather a wide range of information from local people at their livelihoods, needs, and strengths, at the same time as 'empowering' them through a process of collaborative analysis and learning. PRA is a …
Dissemination Of Communication And Information In Inland Fisheries, Ganesh Chandra
Dissemination Of Communication And Information In Inland Fisheries, Ganesh Chandra
Ganesh Chandra
Flow of communication and information from the research station to the end user is sine qua non for the sustainable production as well as productivity enhancement in inland fisheries and the development of fishers as a whole. The resource poor who are often more in need than others of information on sustainable and low external input technologies is least likely to gain access to the information required. This has been seen particularly in the fisheries sector where the channels of information accessible to the resource poor delivered information on new practices and recommendations as well as the new culture technologies, …
Alternative "More Efficient" Irrigation Systems, David A. Bainbridge
Alternative "More Efficient" Irrigation Systems, David A. Bainbridge
David A Bainbridge
Many traditional irrigation systems work well for ecological restoration projects. These demand responsive systems are very water efficient and robust and have proved themselves in the most extreme desert conditions.
Evaluation Of Frontline Demonstration Of Greengram (Vigna Radiata L.) In Sundarbans, West Bengal, Ganesh Chandra
Evaluation Of Frontline Demonstration Of Greengram (Vigna Radiata L.) In Sundarbans, West Bengal, Ganesh Chandra
Ganesh Chandra
Green gram (mungbean) is one of the important pulse crop in India, which plays a major role in augmenting the income of small and marginal farmers of Sundarban. The prevalent farming situation in Sundarban areas being characterised by kharif season with paddy cultivation in rain-fed condition and water requirement for growing rabi and summer crops are met only through residual soil moisture and/or stored rain-water. The low production of traditional varieties of greengram was a cause of concern for the farmers at large. To overcome this problem of low yield, Krishi Vigyan Kendra of CIFRI has conducted frontline demonstration field …
Effects Of Vermicomposting Duration To Macronutrient Elements And Heavy Metals Concentrations In Vermicompost, Adi Ainurzaman Jamaludin, Noor Zalina Mahmood
Effects Of Vermicomposting Duration To Macronutrient Elements And Heavy Metals Concentrations In Vermicompost, Adi Ainurzaman Jamaludin, Noor Zalina Mahmood
Adi Ainurzaman Jamaludin
Vermicomposting using Lumbricus rubellus was conducted in two different durations, 10 and 30 weeks in the same plots. Three different of treatments combination were prepared with eight replicates for each treatment namely cow dung : kitchen waste in 30:70 ratio (T1), cow dung : coffee grounds in 30:70 ratio (T2), and cow dung : kitchen waste : coffee grounds in 30:35:35 ratio (T3). Macronutrients elements in the vermicompost from each treatment were measured in the tenth and thirtieth week. Comparatively longer duration of vermicomposting by using Lumbricus rubellus enhanced the quality of vermicompost by the increase of the macronutrient elements …