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Articles 1 - 30 of 79
Full-Text Articles in Life Sciences
A Report On Black-Tailed Prairie Dogs In Nebraska-- Their Biology, Behavior, Ecology, Management, And Responses To A Visual Barrier Fence, Nancy S. Foster
A Report On Black-Tailed Prairie Dogs In Nebraska-- Their Biology, Behavior, Ecology, Management, And Responses To A Visual Barrier Fence, Nancy S. Foster
School of Natural Resources: Dissertations, Theses, and Student Research
I examined the effects of a visual barrier fence, which had a see-through visibility of 600/0, on the foraging, vigilance, and aggressive behaviors of adult female black-tailed prairie dogs from June through August 1990 in central Nebraska. I also examined changes in their home ranges and use of an area in response to this fence. Prairie dogs prefer an open view of their surroundings. Therefore, I expected animals near a visual barrier to spend more time in vigilance and aggression, and less time foraging. Adult female prairie dogs exposed to the visual barrier devoted more time to foraging and less …
Horticultural Capability Study Of Soils Adjacent To Plantations At Carnarvon, Western Australia, M R. Wells, J A. Bessell-Browne
Horticultural Capability Study Of Soils Adjacent To Plantations At Carnarvon, Western Australia, M R. Wells, J A. Bessell-Browne
Resource management technical reports
A detailed soil survey and horticultural capability assessment was undertaken over 1,804 ha of land adjacent to existing plantations on levees of the Gascoyne River near Carnarvon. The study provides mapped land resource data and advice in relation to land management and the possibility of further land release for horticulture. In the assessment of horticultural capability primary consideration has been given to the risk of erosion during flood events, to salinity, and to soil drainage conditions.
Toward Better Minimum Tillage For South-Coastal Sandplain Soils, W L. Crabtree
Toward Better Minimum Tillage For South-Coastal Sandplain Soils, W L. Crabtree
Resource management technical reports
Seventeen farmers compared their conventional cropping practices with some form of minimum tillage cropping. The minimum tilled crops yielded 21 percent less grain than the conventionally sown crops. The reasons for these decreased yields were in most cases related to inexperienced management. The minimum tilled treatments usually had very poor weed kill strategies which often resulted in large weeds at sowing, very cloddy seed-beds, and numerous insects in the young crops.
Evaluating Judicial Capacity To Determine Public Welfare Values In Water Transfers, Charles T. Dumars
Evaluating Judicial Capacity To Determine Public Welfare Values In Water Transfers, Charles T. Dumars
Moving the West's Water to New Uses: Winners and Losers (Summer Conference, June 6-8)
31 pages (includes illustrations).
Contains references.
The Role Of Market Transfers In The Accommodation Of New Uses: A Case Study Of The Truckee-Carson Basin, A. Dan Tarlock
The Role Of Market Transfers In The Accommodation Of New Uses: A Case Study Of The Truckee-Carson Basin, A. Dan Tarlock
Moving the West's Water to New Uses: Winners and Losers (Summer Conference, June 6-8)
31 pages (includes 1 map).
Agenda: Moving The West's Water To New Uses: Winners And Losers, University Of Colorado Boulder. Natural Resources Law Center
Agenda: Moving The West's Water To New Uses: Winners And Losers, University Of Colorado Boulder. Natural Resources Law Center
Moving the West's Water to New Uses: Winners and Losers (Summer Conference, June 6-8)
Conference organizers and/or faculty included University of Colorado Law School professors Lawrence J. MacDonnell and Mark Squillace.
Moving the West's Water to New Uses: Winners and Losers will be the theme for this year's water conference, June 6-8 at the Law School in Boulder. The conference will consider the changing demands for water in the West and the need to reallocate a portion of the existing uses of water to new uses.
The first day will provide the background by looking at the most likely sources of water to meet these demands, including agriculture, federal water projects, interstate transfers, and …
Shifting The Uses Of Water In The West: An Overview, Lawrence J. Macdonnell
Shifting The Uses Of Water In The West: An Overview, Lawrence J. Macdonnell
Moving the West's Water to New Uses: Winners and Losers (Summer Conference, June 6-8)
31 pages.
Contains references.
Update On Market Strategies For The Protection Of Western Instream Flows And Wetlands, Robert Wigington
Update On Market Strategies For The Protection Of Western Instream Flows And Wetlands, Robert Wigington
Moving the West's Water to New Uses: Winners and Losers (Summer Conference, June 6-8)
49 pages.
Contains references.
Kentucky Pride Hay Growers Association — After One Year, Mark Mattingly
Kentucky Pride Hay Growers Association — After One Year, Mark Mattingly
Kentucky Alfalfa and Stored Forage Conference
High quality forages have been the "frontline" for successful horse and cattle operations for years. In Kentucky, we have grown, harvested and stored hay on the farm for as long as we have farmed. It is one of our principal forms of overwinter feed and has been grown primarily as an on-the-farm feed source.
Drying High Moisture Alfalfa Hay, Michael Collins, Blaine Frank Parker, George M. Turner
Drying High Moisture Alfalfa Hay, Michael Collins, Blaine Frank Parker, George M. Turner
Kentucky Alfalfa and Stored Forage Conference
We all recognize the value of alfalfa in horse, dairy and beef rations. That's why we harvest over 17 million acres of this crop in the United States every year. Hay is a good way to harvest alfalfa because it stores well, provides long fiber in rations and we can market the surplus as a cash crop. Higher yields and higher quality mean more profit so we push to be sure we use the best management practices. All too often though, we lose part of all of a crop to rain damage. Some yield and quality is lost due to …
Hay Additive Review: "Where We've Been, Where We're Going", William C. Mahanna, Steve Soderlund
Hay Additive Review: "Where We've Been, Where We're Going", William C. Mahanna, Steve Soderlund
Kentucky Alfalfa and Stored Forage Conference
The losses from harvest to feed bunk are undoubtedly greater with hay than any other crop grown by the American farmer. The economic implications of reducing losses through improved harvest technologies is staggering when one considers the 75-85 million tons of alfalfa harvested out of the total 140-145 million tons of hay produced annually in the United States.
Alfalfa Producers: Do You Really Know How Good Your Alfalfa Is? Forage Analysis: Importance And Interpretation, Jimmy C. Henning
Alfalfa Producers: Do You Really Know How Good Your Alfalfa Is? Forage Analysis: Importance And Interpretation, Jimmy C. Henning
Kentucky Alfalfa and Stored Forage Conference
Forages make up over 75% of the diet of all cattle and are the basis of cow-calf industry in the midwest. However, a recent survey of over 1000 livestock producers in Missouri revealed that only 5.6 % had ever had their hay tested. They gave several reasons for why they had not tested hay (Table 1). By a large margin, the greatest reason for not testing was that they did not see a need. This fact highlights the purpose of this paper and presentation at the 10th Annual Kentucky Alfalfa Conference. This paper will explain the terms used in …
Alfalfa Cutting Management, Garry D. Lacefield
Alfalfa Cutting Management, Garry D. Lacefield
Kentucky Alfalfa and Stored Forage Conference
Alfalfa "Queen of the Forage Crops" is the most important forage legume grown in the united States. It is grown over a wide range of soil and climatic conditions. Alfalfa has the highest yield potential and the highest feeding values of all adapted perennial forage legumes. It is a versatile crop which can be used for pasture, hay, silage, green-chop, soil improvements and human consumption. As a result of this crops many merits; especially yield, quality and versatile use, it can be used successfully in many animal feeding programs.
Developing Alfalfa Varieties For The 21st Century, Jim Moutray
Developing Alfalfa Varieties For The 21st Century, Jim Moutray
Kentucky Alfalfa and Stored Forage Conference
As we approach the end of the 20th century, alfalfa improvement is happening at a very rapid pace, New varieties are being released at the rate of more than 30 per year. During the past 30 years, the roles of public and private research have changed significantly. Emphasis in public efforts has changed from variety development to basic research accompanied by an overall reduction in funding. Private industry, which released less than 20% of the new varieties prior to 1960, has released over 95% of the varieties since 1981. Funding of private research has increased dramatically during this period.
Foreword [1990], Garry D. Lacefield
Foreword [1990], Garry D. Lacefield
Kentucky Alfalfa and Stored Forage Conference
This is the front matter of the proceedings.
Deep Ripping, R. J. Jarvis
Deep Ripping, R. J. Jarvis
Experimental Summaries - Plant Research
Trial 88Ba11,12
Deep ripping at two depths in lupin/oat/wheat rotation on newish land.
Location: Badgingarra Research Station
Sited on the new block of Badgingarra Research Station, these trials aim at examining the response to new rippings each cereal year as well as the response over time to the residual effect of ripping. The rotation is the normal one applied on the Research Station.
Trial 89KO1
Location: Mount Barker Research Station.
Deep ripping for barley and lupins - Kojaneerup Block of MBRS.
Yields not significantly different by A.O.V., however lupin yield declined as the previous year's barley yield increased due to …
Phosphorus Retention Of Sandy Horticultural Soils On The Swan Coastal Plain, Ian Mcpharlin, Neil Delroy, Bob Jeffery, Greg Dellar, Maurice Eales
Phosphorus Retention Of Sandy Horticultural Soils On The Swan Coastal Plain, Ian Mcpharlin, Neil Delroy, Bob Jeffery, Greg Dellar, Maurice Eales
Journal of the Department of Agriculture, Western Australia, Series 4
Soils can be ranked according to their phosphorus retention capacity by the phosphorus retention index (PRI). This is the ratio of phosphorus adsorbed by soil to that remaining in solution under a set of standard conditions. Although it is a laboratory measurement, the PRI seems to be a good indication of what happens in practice.
Phosphorus Nutrition., M. D. Bolland, M. J. Baker
Phosphorus Nutrition., M. D. Bolland, M. J. Baker
Experimental Summaries - Plant Research
Evaluation of soil test for phosphate on sandy soils.
Results presented for this project, commenced in 1988, which started as a joint project between the Department of Agriculture and Soil Science and Plant Nutrition, School of Agriculture, University of Western Australia.
In the field experiments, 10 levels of superphosphate (three replicates) were applied in May 1988, and 10 levels of superphosphate (also three replicates) were applied in May 1989 onto an adjacent area to the 1988 treatments. Colwell P I(soil test values) and yield data are presented for 1988 and 1989 for the 1988 treatments layed out in 1988, and …
Phosphorus And Sulphur Nutrition Of Pastures In High Rainfall Areas., M. D. Bolland, M. F. Clarke
Phosphorus And Sulphur Nutrition Of Pastures In High Rainfall Areas., M. D. Bolland, M. F. Clarke
Experimental Summaries - Plant Research
J.S.Yeates and M.F.Clarke started these experiments. In January 1990 M.D.A. Bolland replaced J.S. Yeates (who became Regional Manager of the Northern Agricultural Region) as the Research Officer responsible for the management of the long-term experiments, and to continue the research on the topic.
In the experiments the fertilizers wee applied in autumn (March-April) in the years listed in the tables.
Trial 80AL4
Location: Cuthbert.
A new experiment was started in 1989 to compare two partially acidulated rock phosphate (PARP) fertilizers with ordinary (single) superphosphate (OSP).
Trial 84AL32
Location: Denmark
The fertilizers compared are ordinary (single) superphosphate (OSP). New (pre 1990) …
Rhizoctonia Bare Patch Of Cereals And Lupins. Sterile Red Fungus (Srf) And Control Of Take-All Disease In Wheat., G. C. Macnish
Rhizoctonia Bare Patch Of Cereals And Lupins. Sterile Red Fungus (Srf) And Control Of Take-All Disease In Wheat., G. C. Macnish
Experimental Summaries - Plant Research
Trial 86E31
Rhizoctonia strains and paddock history.
Location: Esperance Downs Research Station ( Paddock C5)
To determine the effects of pasture, cultivation and cropping on Rhizoctonia root rot, Rhizoctonia patch and distribution of patch and non-patch strains of R. spp
Trial 88E39
Rhizoctonia patch mini-plot establishment area.
Location: Esperance Downs Research Station ( Paddock N1B)
To examine the effects of cultivation and minimum tillage in patches in lupins and to provide sites for mini-plot experiment.
Trial 88KO15
Rhizoctonia bare patch establishment area.
Location: Kojaneerup annex.
To establish an area (with a known history) for future research.
Trial 89E12
Rhizoctonia bare …
Effect Of Pasture Species On Pasture Production And Following Cereal Yields On Heavy Textured Soils In Low Rainfall Areas. Regeneration Of Pasture Legume Cultivars On Low Rainfall Red Loam Soils., Bradley Nutt
Experimental Summaries - Plant Research
Trial 90GE17
Aphid tolerance evaluation in annual medics
Location: Tenindewa
Maturity and seed yields of annual medic lines with or with out aphid control using Pirmor.
Trial 90GE116
Evaluation of aphid tolerance in annual medics
Location: Tenindewa
Dry matter and seed yield of annual medic lines with and without aphid control using Pirmor.
Trial 90GE34
Effect of pasture species on pasture production and cereal yields on low rainfall red loams.
Location: North Mullewa Research Station, Morawa Agricultural School.
Regeneration of annual pasture cultivars on hardsetting red clay loams at North Mullewa and Morawa in 1989 and 1990.
Trial 88TS63
Effect …
Crop Management In Rows., R. Belford, G. P. Riethmuller, D. Tennant, D. Mcginnis, S. Mckeague
Crop Management In Rows., R. Belford, G. P. Riethmuller, D. Tennant, D. Mcginnis, S. Mckeague
Experimental Summaries - Plant Research
Trial 87M71
Effect of row spacing and stubble retention on the yield of wheat.
Location: Merredin Research Station.
Treatments, site management and results from 1987, 1988 and 1989 have been described in previous experimental summaries. Four row spacings (9, 18, 27 and 36 cm) are compared in either burnt or stubble retained plots, on a red brown earth on the Merredin Research Station. There are six replicates laid out in a randomised block design.
Trial 90ME32
Effect of row spacing and variety on the yield of wheat.
Location: duplex site at Crooks (see 1989 Experimental Summary)
This trial was carried …
Deep Phosphate Banding., R. J. Jarvis
Deep Phosphate Banding., R. J. Jarvis
Experimental Summaries - Plant Research
Trial 90A1
Lupins sown 26/4. York gum/jam sandy loam 33 ppm bic. P. Wheat in 1989. Cultivation reduced yield (one pass banding points). Deep banding P overcame this reduction. No additional response to banding compared with TD or D. No response to P. Yield 2.0 t/ha.
Trial 90A2
Wheat sown 8/6. York gum/jam sandy loam 42 ppm bic. P. Lupins in 1989. All treatments had deep cultivation in the one pass. No response to deep band cf. drilled. 23% response to P. Top yield was 1.9 Oa.
88EB12 Wheat sown 5/6. Loamy grey sand/clay 27 ppm bic. P. Lupins in …
Long Term Minimum Tillage Investigations., R. J. Jarvis
Long Term Minimum Tillage Investigations., R. J. Jarvis
Experimental Summaries - Plant Research
Trial 77M13
Location: Merredin
This site was in wheat in 1975 and 1976 before the treatments commenced on continuous wheat in 1977.
77M56
Location: Merredin
Sited alongside 77M13 with the same paddock history. Commenced the wheat/pasture rotation after wheat in 1975 and 1976.
Trial 86M79
Chemical and cultivated fallow in a pasture/wheat rotation on heavy land.
Location: Merredin.
At Merredin on salmon gum/gimlet soil. Pasture treatments and soil moisture measurements were conducted in 1990. Wheat 1991.
Trial 87NA80, 81, 82, 83
Direct drilling with modified combines compared with cultivation for pasture/wheat rotations with grass control treatments in the pasture year. …
Nitrogen Fertilizers For Cereals In Different Rotations., I. Rowland, M. G. Mason, W. Hawkins
Nitrogen Fertilizers For Cereals In Different Rotations., I. Rowland, M. G. Mason, W. Hawkins
Experimental Summaries - Plant Research
Trial 78B1
Nitrogen fertilizer requirement in alternate crop-pasture rotation.
Location: Badgingarra Research Station.
Soil type: Grey gravelly sand over gravel at about 15-20 cm.
History: Old clover land. All blocks were in clover pasture in 1977.
Trial 89WH19
Nitrogen fertilizer requirement in alternate crop-pasture rotation.
Location: Wongan Hills Research Station.
Soil type: Wongan yellow loamy sand
History: Old clover land. Whole area in clover 1988.
Trial 86WH36
Lupin/Wheat rotation
Location: Wongan Hills Research Station
Soil type: Wongan yellow loamy sand.
History: Cropped to wheat in 1985 on old clover land. Stubble of 1989 crop not burnt.
Trial 87NO84
Pea/Wheat Rotation …
Long-Term Rotation Trials., I. Rowland, W. Hawkins
Long-Term Rotation Trials., I. Rowland, W. Hawkins
Experimental Summaries - Plant Research
Trial 66M29
Location: Merredin Research Station.
An old land site, cleared in 1909. First sown to Cyprus Barrel medic in 1955, grazed and topdressed. Cropped, 1962 and 1964. Medic resown in 1965.
Trial 67C13
Location: Chapman Research Station
An old land site, cleared in 1903. Sown to Dwalganup sub clover in 1964, topdressed each year until the start of the trial in 1967. In 1981 to 83 all plots were reseeded with Northam at 20 kg/ha. In 1988 rotations were altered to allow inclusion of grain lupins, the following changes were made:
1. The 4 plots of 2 crop :2 …
Organochlorine Residues In Soil, Plant And In The Body And Wool Fat Of Wethers., Tony Albertsen
Organochlorine Residues In Soil, Plant And In The Body And Wool Fat Of Wethers., Tony Albertsen
Experimental Summaries - Plant Research
Trial 5841
The accumulation and rundown of dieldrin in wethers.
Location: Brookhampton, Donnybrook, Jindong, Manjimup, Carbunup and Pemberton
The background, aims, experimental method, and the first years results and discussion have been reported in the 1989 experimental summary.
The latter phase of the study was continued until December 1990 on six of the sites (these were Brookhampton, Donnybrook, Jindong, Manjimup, Carbunup and Pemberton) with similar measurements being obtained at regular intervals. The sheep monitored during this phase were the 1989 Main mob and the 1989 Replacement mob.
Trace Element Nutrition., R. F. Brennan
Trace Element Nutrition., R. F. Brennan
Experimental Summaries - Plant Research
Trial 66N14
Long Term Copper Residual Trial
Location: Newdegate Research Station.
To determine the residual value of previously applied copper.
Trial 86N27
Residual Value of Zinc with DAP.
Location: Newdegate Research Station.
To determine the decline in effectiveness of zinc on this soil types using DAP.
86LG34
Residual Value of Copper, Zinc and Sulphur with DAP Fertilizer
Location: South Newdegate.
To determine the decline in effectiveness of copper, zinc and sulphur on this soil types using DAP
Trial 67E8
Grain Yields of Wheat Grown on a Residual Copper Trial.
Location: Esperance Downs Research Station.
The trial was originally designed to …
Field Pea Agronomy., G. H. Walton, T. R. Trent
Field Pea Agronomy., G. H. Walton, T. R. Trent
Experimental Summaries - Plant Research
Trial 90M64
Site and variety effect on ovule abortion.
Location: Merredin Research Station CSIRO lease block.
To understand the causes of ovule abortion in field peas.
Trial 90M65
Response to seeding rates of peas with different plant architecture.
Location: Merredin Research Station, paddock 8CW3
To compare the yield responses of different pea types to seeding rates.
Trial 90A26
Nitrogen fixation in field pea.
Location: Avondale Research Station, paddock 1C
To compare the growth, N-fixation and yield of 'nodulating' crossbred material against the commercial cultivars of Dundale, Alma, Wirrega and Dinku.
Trial 90A18
Chickpea germplasm introductions.
Location: Avondale Research Station, paddock …
Grain Legume Species Evaluation., M. Seymour
Grain Legume Species Evaluation., M. Seymour
Experimental Summaries - Plant Research
Trial 90ES19, 90ES22
Grain legume species evaluation.
Location: Mt. Ridley.
To evaluate the response of 6 grain legume species over a range of environments and soil types.