404.200_National Water And Climate Center management, nutrient management; water management; air quality; irrigation; drainageand planning for all resource areas including soil, water, air, plants http://policy.nrcs.usda.gov/scripts/lpsiis.dll/GM/gm_360_404_h_200.htm
Extractions: 404.204_Grazing Lands Technolo... ... format. A. Assignment of Functions. 1. Directs the acquisition of snow, climate, and soil moisture/temperature data through the Western Cooperative Snow Survey Program including developing policy and interagency agreements. 2. Operates the Snowpack Telemetry (SNOTEL) data collection system. 3. Operates the nationwide Soil Climate Analysis Network (SCAN) data collection system. 4. Provides monthly or biweekly forecasts of water supply throughout the western United States. 5. Acquires national climate data, conducts analyses, develops interpretations, and provides value-added climate products to support conservation planning. 6. Provides data and analysis support for interagency efforts to assess drought conditions and provides weekly drought assessments. 7. Provides snow and climate monitoring data in near real-time to users through Internet-based data access mechanisms. (In 2002, the rate of incoming observations was 900,000 observations per week and the rate of user access to data and information products was over one million web site visits per month.)
Assadian Et Al. 1998 farmers will be forced to depend more on urban effluents for irrigation. from degradedwaters are possible without regulation of water and soil management. http://www.css.cornell.edu/courses/190/abstr/vermilyea.htm
Extractions: Source: Assadian, N.W., L. Esparaza, L. Fenn, A. Ali, S. Miyamoto, U. Figueroa, and A. Warrick. Spatial variability of heavy metals in irrigated alfalfa fields in the upper Rio Grande River Basin. Agric. Water Manag. 36:141-156. Abstract author: Matthew David VerMilyea, 5 November 1999. SUSAG Abstracts: Go back to the SUSAG Abstracts search page.
PARYAVARAN ABSTRACTS, 2001 Vol. 18 No. 3-4 By and large, the water quality is good for irrigation. Prashanthi V, Jeevan RaoK, Sreenivasa Raju A (Dept soil Sci, Agricl Chem, Coll Agricl, Acharya NG http://sdnp.delhi.nic.in/resources/paryaabs/v18n34/watpol.html
Extractions: Water Pollution Abraham Beena T, Anirudhan TS (Dept Chem, Univ Kerala, Kariavattam, Trivandrum 695581). Effect of NTA and pH and lead (II) adsorption by the hydrous oxides of Mn, Fe, and Al. J Scient Indl Res, (2) (2001), 145-150 [19 Ref]. Paper studies the influence of nitrilotriacetic acid (NTA) on Pb (II) adsorption by different hydrous oxide gels (MnOOH, FeOOH and AlOOH) at different pH levels. The surface charge density as a function of pH in aqueous solution of NaNO3, NTA and Pb-NTA has been determined. The adsorption of Pb(II) in presence of NTA was greater than NTA adsorption in presence of Pb(II). The maximum adsorption of Pb (II) in presence of NTA occur at a pH range of 3.0-4.0. Anila Kumary KS, Abdul Azis PK, Natarajan P (Sch Appl Life Sci, Mahatma Gandhi Univ Regl Cent, Pathanamthitta 689645, Kerala). Sediment characteristics of Poonthura estuary (southwest coast of India) in relation to pollution. Indian J Marine Sci, (2) (2001), 75-80 [20 Ref]. Texture, redox potential and organic carbon of sediments in Poonthura estuary, Thiruvanathapuram, presently exposed to sewage pollution were evaluated over a period of one year. Textural study revealed the presence of highest percentage of finer particles at the sheltered upstream stations. Organic carbon content was more than the prescribed limit for unpolluted estuaries at some stations and reflects the level of pollution in the estuary. Significant variation in organic carbon and redox potential during the monsoon season shows that better dilution can diminish the high organic load to a great extent.
Extractions: An Objective Oriented Approach to Agricultural Water Management R. P. Rudra and W. T. Dickinson Professor and Graduate Coordinator School of Engineering University of Guelph Guelph,Ontario N1G 2W1 canada rrudra@uoguelph,ca An objective oriented approach for agricultural water management has been proposed. The first step in this approach is the identification of the objective, which includes identification of a water management issue/problem to be addressed, followed by the selection appropriate management approach. The management procedure includes development a conceptual model suitable to explain the identified issue/problem, assembling of appropriate database available, and application of the model to address the identified issue/problem. The complexity of the management procedure depends upon the nature of the objective. If the simple approach can¡¯t address the water management issue/problem, the complexity in the management procedure in increased until the identified issue/problem has been addressed satisfactorily. An application of this approach to soil erosion and fluvial sediment management has been illustrated by examples in humid and temperate climatic conditions. The application example indicated that if the objective is the identification of the temporal pattern of watershed runoff and sediment loads a simple can be adequate Simple approach has limited application for the location of spatial distribution the runoff generating and sediment source areas. For such objectives a more complex distributed approach giving detailed comprehensive description is required
Bentonite In Ponds | Malibu Water Resources proved helpful in sealing freshwater ponds, irrigation ditches, reservoirs emailsize of pond, soil type (if the MOST EFFECTIVE METHODS of water loss control. http://www.malibuwater.com/PondBentonite.html
Extractions: by Brad Kerr, Fishery Biologist I prefer bentonite to other methods for sealing ponds. My first choice is natural clay found in many areas where ponds are built. The main reason I prefer Bentonite is it retains the ability to exchange nutrients with the sediments. Other hard liners cause all kinds of problems because they don't do this. If nutrients cannot be managed in such a way as to sequester them into sediments, then they accumulate and require other more intensive methods to get rid of them. The bottom line is the pond owner has to fight them. Here is a link to the Bentonite use instruction page from the Cowboy Mining Company. http://www.pondseal.com I sometimes design ponds that use liners, but I have to make particular modifications to get them to manage their nutrients properly. It adds significantly to the costs. If there is one main reason my habitat designs are successful, it's because I understand how to make the pond deal with the nutrients instead of the pond owner having to do it. These garden ponds you see across the country with the rubber liners are a classic example of all this. Pond owners spend a great deal of money on filters, UV sterilizers and liners when they are not needed. It is the liner that causes the nutrient problems that they try to solve with all the filtration. It has become a widely accepted myth that all these ponds need to have a liner.
References 1986. Stream water Level Control Affects irrigation water Supply and Quality. J. Soiland water Conserv. 1988. Impacts of freshwater wetlands on water quality. http://www.soil.ncsu.edu/publications/BMPs/refer.html
Extractions: Anderson, J.R., P.T. Bromley, B.E. Warson, and W.E. Palmer. 1996. Vegetation Management with the Weed Sweep?North Carolina Cooperative Extension, North Carolina State University, Raleigh, NC. Brinson. M.M. 1993. Changes in the functioning of wetlands along environmental gradients. Wetlands 13(2):65-74. Buffington, D.E. 1994. Nitrous Oxide Dynamics and Denitrification in Four North Carolina Riparian Systems. M.S. Thesis, Department of Soil Science, North Carolina State University. Call, D.J., L.T. Brooke, R.J. Kent, S.H. Poirer, M.L. Knuth, P.J. Shobat, and E.J. Slick. 1984. Toxicity, uptake, and elimination of the herbicides alachlor and dinoseb in freshwater fish. J. Environ. Qual. 13:493-498. Clark, E. H. II, J.A. Haverkamp, and W. Chapman. 1985. Eroding Soils: The Off-farm Impacts. The Conservation Foundation, Washington, DC. 252p. Correll, D.L. and D.E. Weller. 1989. Factors limiting processes in freshwater wetlands: An agricultural primary stream riparian forest. Pages 9-23. In: Freshwater Wetlands and Wildlife. R.R. Sharitz and J. W. Gibbons (eds). Oak Ridge, U.S. Dept. of Energy. Crance J.H. 1988. Relationships between Palustrine Wetlands of Forested Riparian Floodplains and Fishery Resources: A Review. U.S. Fish Wildl. Serv. Biol. Rep. 88(32). 27 pp.
ú{àc}Ùidq}Ùj@The 13th Asian Parliamentaria soil er osion and water pollution, resulting be mitigated to keep our water environmentwell construction of agricultural infrastructure, irrigation works will http://lib1.nippon-foundation.or.jp/1996/0354/contents/092.htm
Extractions: lûÆJÛ¦Í c̼ AWAlûEJ¦ï To protect, mange, and rationally develop and utilize water resources is not on ly a major task for the Chinese government at present and for immediate future, but also a need for guaranteeing its food security and sustained economic grow th. For this purpose, the Chinese government has insisted on the principles of "giving equal attention to economizing on the use of water and tapping new wate r resources, and integrating protection with management". The concrete measures have been accordingly f ormulated. 1. Strengthen the comprehensive management and treatment of soil erosion and wa ter pollution. Thisjob should be implemented as quickly as possible. Soil er osion and water pollution, resulting from economic construction and human ac tivities should be mitigated to keep our water environment well maintained. In the construction of agricultural infrastructure, irrigation works will be consistently emphasized. Modern technology for saving water, such as drip i rrigation and sprinkling irrigation will be popularized. Also Ecofanning wil l be given more attention.
Use Of Reclaimed Water And Sludge In Food Crop Production phosphorus is of concern, soil phosphorus levels Where alternative irrigation wateris cheaply available, there incentives to apply reclaimed water or sludge http://www.nap.edu/html/sludge/summary.html
Extractions: BACKGROUND Standards for the Use or Disposal of Sewage Sludge (Code of Federal Regulations Title 40, Parts 257, 403, and 503, and hereafter referred to as the "Part 503 Sludge Rule"). This rule builds on a number of federal and state regulations that aim to reduce pollutants entering the municipal waste stream thr ough source controls and industrial pretreatment programs that have reduced the levels of contaminants in the sludge as well as in the final effluent. The Part 503 Sludge Rule defines acceptable management practices and provides specific numerical limits for selected chemical pollutants and pathogens applicable to land application of sewage sludge. In this context, sewage sludge-traditionally regarded by many groups as an urban waste requiring careful disposal-is now viewed by the wastewater treatment i ndustry, the regulatory agencies, and participating farmers as a beneficial soil amendment. CONCLUSIONS AND RECOMMENDATIONS Adequacy of Existing Regulations for Pathogens in Reclaimed Water and Sludge Guidelines for Water Reuse . There are currently 19 states that regulate the practice by setting criteria for reclaimed effluent quality, such as microbiological limits or process standards; crop restrictions; or by waiting periods for human or grazing animal access or before crop harvest. State regulations vary; some require very high-quality effluents to reduce the concentration of pathogens to levels acceptable for human contact prior to irriga-tion. Others depend on the use of crop restrictions and site limitations, thus allowing required time for pathogens to decrease to acceptable levels. In general, modern wastewater treatment procedures incorporate monitoring and technical redundancies that provide system reliability and protection against exposure to pathogens.
Past 2002 Approved Courses January 18, 2002. Regulated Deficit irrigation. CA 05218. Feb 56, 2002. 2002 Plant soil Conference-Session V. Feb 7, 2002. Using Dairy Lagoon water Nutrients II. http://www.cacca.org/pastcourses.htm
Extractions: 2002 Approved Courses Course Date Course Title Course # NM SW IPM CM Location January 1, 2002 California PCA 2002 Allocation CA 05125 Statewide January 14, 2002 Crop Science 21 CA 05331 Coalinga CA Jan. 8, 2002 S. Sacramento Valley Processing Tomato CA 03964 Woodland CA Jan 8, 2002 Corn Stunt and Spider Mites CA 03993 Hanford CA Jan 8, 2002 CA 03991 Tulare CA Jan 8, 2002 CA 03982 Tulare CA Jan. 8-9, 2002 Stanislaus Farm/Westlink Update CA 03846 Modesto CA Jan 8, 2002 Farm Water Quality Planning Short Course CA 04003 Hollister CA January 8, 2002 S. Sac Valley Process Tomato Production CA 05356 CA Jan 10, 2002 CA 03981 Hanford CA Jan. 10, 2002 Pestcide Applicators Cont. Ed. Seminar CA 03841 Marysville CA Jan 10, 2002 Salient Principles of Plant Culture CA 04004 Turlock CA Jan 11, 2002 CA 05047 Various January 14, 2002 Crop Science 11, Forage Crops CA 05330 Coalinga CA Jan. 14-16, 2002 Weed Manag. Tech. For Today and Tomorrow CA 05270 Los Angeles CA Jan 15-17 Technical Training Ag Seminar CA 04001 Monterey CA Jan 15, 2002 Using Dairy Lagoon Water Nutrients CA 03995 Tulare CA Jan 15, 2002
CHICO STATEMENTS and geology, they include observations about the soil and water, dominant species hassince convinced grounds personnel to limit irrigation, which can also http://www.csuchico.edu/pub/cs/fall_99/features/f.2.battleonbigchicocreek.html
Extractions: Dumbed-Down and Decorative Countdown in Reno How does our Garden Grow? ... Termites, Travel, and Turmoil Maslin referred to the balance of flora and fauna of a given biological zone as a coherent unit developed gradually over time, often a very long time. This unit can be fairly quickly disrupted by rogue elements such as non-native plants. In a worst case scenario, an exquisitely interdependent set of relationships gives way to a monoculture. Think ivy. Think periwinkle. When these exotics gain a toehold in the shade along much of the creek, they become absolutely dominant. Said Maslin, "None of our native butterflies even use them as food." The pipevine swallowtail, a lovely gold-spotted butterfly, feeds in its larval stage "almost entirely on pipevine, which makes it toxic to its predators," Maslin continued. However, native pipevine has all but succumbed to the crush of advancing non-natives. Bottom line? "We'd have a lot more butterflies if we had a lot less ivy." Weed killers aren't usually a part of Maslin's eradication arsenal, however. As many a student volunteer has learned to his or her dismay, at least initially, tools and stoop labor are gentle on the ecosystem even if they're not always gentle on the back. One of the trickiest plants to remove is the Himalayan blackberry, a vigorous root-sprouter. Simply chopping it out doesn't work. Every little rootlet that remains is capable of sending up a new shoot. As Maslin explained, a tined tool, heavy leather gloves, and a lot of patience is required. A good rain doesn't hurt either. Following the canes' reverse trajectory into earth, volunteers fork gingerly around them, then lift the exposed root a little at a time. It's a long process.
PIERRE Y.BERNIER gas exchange model and derivation of a soil water modifier for Plant and soil, 236165174 1+0) grown in air-slit containers under different irrigation regimes http://www.fluxnet-canada.ca/PYBernier.html
Extractions: Quebec City, Quebec, Canada Research Fields: Ecophysiology, forest productivity, climate change Research Interests: Measurement and modelling of tree growth processes including transpiration, photosynthesis, respiration and allocation of carbon to above and below-ground structures in boreal and temperate forest ecosystems. Scaling up of process representation from sites to landscapes, and linkage to forest management applications including current growth and yield methodologies. Links between forest productivity and carbon sequestration in the boreal forest. Environment for Graduate Student Training: The Laurentian Forestry Centre is one of five research centres of the Canadian Forest Service. Total research staff at the Centre is of about 100, with 33 scientists conducting projects covering a wide range of forestry-related topics. The Centre welcomes each year about 50 graduate and post-graduate students, and trainees from Canada and abroad. Forest ecophysiology, nutrient cycling and productivity research is carried out at within the
Wetlands Ecology Program Peter R. Wagner, MS, 1995. Long Term Effects of Municipal Wastewater Irrigationon a Forest soil. Stephanie S. Arnold, MS, 1995. water Air soil Pollut. http://www.umaine.edu/pse/FS/fs.htm
EEAD - Optimising Production Techniques In Agricultural Systems the utility of the pre sidedress soil nitrate test Simulation of maize yield underwater stress with the EPICphase A case study for irrigation modernisation II http://www.eead.csic.es/en/lineas_investigacion/07_optimizacion_tecnicas.html
Extractions: Prototype of the non-stop olive harvester Department: Genetics and Plant Production CURRENT RESEARCH LINES: 1. Agrometeorology and crop water requirements macoan@eead.csic.es 1.1. Micrometeorology Study of the energy balance: latent, sensible and soil heat fluxes, and net radiation. Cropped and natural surfaces. Time scale: 30 min to 1 h. a. Analysis of the effect of different meteorological conditions on these micrometeorological processes. b. Evaluation of micrometeorological methods for measurement of crop evapotranspiration, focusing on eddy covariance and surface renewal. Other meteorological techniques. 1.2. Measurement and estimation of evapotranspiration of different crops Time scale: 30 min to 1 day. a. Measurement on crop evapotranspiration using weighing lysimeters. Crops: corn, wheat, rice, etc. b. Measurement of crop evapotranspiration in irrigated plots using micrometeorological techniques. Crops: alfalfa, rice, etc. Obtention of crop coefficients. c. Evaluation of methods for estimation of ET0 (grass), focusing on Penman-Monteith and Hargreaves.
Mango Tree Management Systems - III easy tree manipulation for inducing water stress required top 6 10 inch of soildepth and tree manipulation therefore become easy with controlled irrigation. http://members.tripod.com/Shanthap/mb3.htm
Extractions: Management of Bearing Trees Management system adopted for bearing trees are quite different, especially with regard to nutrient and irrigation management, than that adopted for non bearing trees. The shift in management system could be commenced 3-4 years after planting dependin g on the tree size. The objective in managing bearing trees is to promote the tree reserve level for subsequent flowering and fruiting while at the same time trees are allowed to grow and maintain sufficient vigor for producing high yields in following years. Tree reserve levels could be increased by two ways. That is by optimizing conditions required for high rate of photosynthesis and by controlling excessive vegetative growth that consume stored reserves unnecessarily. Photosynthesis rate and excessive vegetative growth may be manipulated by controlled N and water supply that will be discussed under nutrient and irrigation management later. In bearing tree management the growers has to think the productivity of trees in long run to maintain the sustainability of tree production capacity. A sustainable production may be achieved only if trees are managed with a scientific tree management system based on the phenology or growth cycle of bearing trees.
8.0 References irrigation Principles and Practices. SCSTP-149, US Department of Agriculture, SoilConservation Service, Washington, DC Linsley, RK water-Resources Engineering http://mepas.pnl.gov:2080/earth/formulations/source_term/8_0/8_0.html
Search SUSAG Abstracts J. soil water Conserv In situ stabilization of soil lead using phosphorus Effects ofirrigation on the environment of selected areas of the western United States http://www.css.cornell.edu/courses/190/SUSAG-search.html
Extractions: S USAG Abstracts Prepared by students in the Department of Crop and Soil Sciences, College of Agriculture and Life Sciences, Cornell University, Ithaca, NY This collection of abstracts provides a point of entry into the literature about sustainable agriculture. It was prepared by the students and teaching staff of CSS 190 (Sustainable Agriculture). Comments, suggestions, or questions should be addressed to Gary W. Fick You may search SUSAG Abstracts for any term or sets of terms including You many search You keywords (organic agriculture), source authors (Wendell Berry), and student writers (Ryan Akin). Search the abstracts Ahmed, M., M. P. Bimbao, and R.C. Sevilleja. 1992. The economics of rice-fish in Asian mixed farming systems: a case study of the Philippines. p. 207-216. In Z.R. dela Cruz, C. Lightfoot, B.A. Costa-Pierce, V.R. Carangal, and M.P. Bimabao (ed.) Proc. 24th Rice-Fish Res. and Develop. Conf., Int. Center for Living Aquatic Resour. Manag. (ICLARM), Manila, the Philippines. Aldwell, C.R. 1997.
PARYAVARAN ABSTRACTS, 1992 Vol. 9 No. 2 carbonate was absent in such a water, and on irrigation it did not create any soilproblem. This effluent water could be safely used for irrigation of rice http://sdnp.delhi.nic.in/resources/paryaabs/v9n2/wastes.html
Extractions: . Ayengar Bharathan, Satya Sai PM, Anand Babu (t, Lal KB, Amalraj RV (Bhabha Atom Res Cent, Centralised Waste Manag Facility, Fuel Precessing Nuclear Waste Manag Group, Kalpakkam 603102). Treatment of uranium bearing waste arising from solvent recovery unit of uranium processing plant Indian J Environ Prot, (11) (1991), 833-838 [8 Ref]. During the regeneration of tributyl phosphate in uranium plant, a sizable volume of liquid waste containing about 70 mg/l of uranium, along with high concentrations of nitrates and carbonates, is generated. Laboratory studies revealed that the waste was not amenable to conventional treatment methods, including co-precipitation, owing to high concentration of carbonates, with which uranium forms a stable carbonato complex. Studies reveal the application potential of ion -exchange process not only in the treatment of uranium bearing wastes but also in the recovery of uranium.
Personal Data Econ . and manag., The Hebrew University of Jerusalem and Research Economics of irrigationwater mixing within a farm function of crop yields to soil salinity http://departments.agri.huji.ac.il/economics/eli-personal.html
Environmental Magazines & Scientific Journals What type of Environmental Magazine or Scientific Journal are you looking for? Save time finding, comparing and selecting Magazines & Scientific Journals http://www.environmental-expert.com/magazines.htm
