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- Annual bluegrass (Poa annua L.) (1)
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- Poa pratensis L. (1)
- 10 (1)
- 1000-kernel weight (1)
- Agropyron cristatum (1)
- Agropyron desertorum (1)
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- Animal production and livestock (1)
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- Experimental Summaries - Plant Research (52)
- Journal of the Department of Agriculture, Western Australia, Series 4 (12)
- Robert Mikkelsen (7)
- Agronomy Notes (3)
- Nebraska Agricultural Experiment Station: Historical Research Bulletins (2)
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- Office of the Dean (CAFES) Scholarship (2)
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- Journal of the Arkansas Academy of Science (1)
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Articles 1 - 30 of 87
Full-Text Articles in Life Sciences
Vegetation Patterns In Relation To Topography And Edaphic Variation Nebraska Sandhills Prairie, P. W. Barnes, A. T. Harrison, S. P. Heinisch
Vegetation Patterns In Relation To Topography And Edaphic Variation Nebraska Sandhills Prairie, P. W. Barnes, A. T. Harrison, S. P. Heinisch
School of Biological Sciences: Faculty Publications
Detailed studies on soil texture and moisture retention indicate a close association between edaphic features and the distribution and composition of plant communities along topographic gradients at Arapaho Prairie, a typical, semi-arid Nebraska Sandhills prairie. The vegetation characteristics of three major habitat types (ridge, slope, and valley) and several minor subtypes (swale, stable ridge, and eroding ridge) are recognized and quantitatively described. Texture analysis indicates that the soils of dune slopes and ridges are largely azonal and are very coarse with substantially lower fine fractions (silt-clay ~ 13-15%) than soils of the more lowland swale and valley sites where surfact …
Foliar Application Of N And Fe To Kentucky Bluegrass, A. K. Yust, David J. Wehner, T. W. Fermanian
Foliar Application Of N And Fe To Kentucky Bluegrass, A. K. Yust, David J. Wehner, T. W. Fermanian
Office of the Dean (CAFES) Scholarship
The goal of the professional lawn care industry is to provide the homeowner with a dark green weed-free lawn. Members of this industry are interested in techniques to enhance the color of a turfgrass stand in lieu of excessive N fertilization. The purpose of this research was to evaluate the use of foliar applications of Fe alone or in combination with N on the color response of Kentucky bluegrass (Poa pratensis L.). Iron sulfate or an iron chelate was applied at the rate of 1.1, 2.2, or 4.5 kg Fe ha–1 in combination with either 0, 25, or 49 …
Effect Of Planting Dates Of No-Till And Conventional Corn On Soils With Restricted Drainage, James H. Herbek, Lloyd W. Murdock, Robert L. Blevins
Effect Of Planting Dates Of No-Till And Conventional Corn On Soils With Restricted Drainage, James H. Herbek, Lloyd W. Murdock, Robert L. Blevins
Agronomy Notes
No-till corn is best adapted to well drained soils. It is on these soils that no-till has been most successful and the practice most widely accepted. On soils that are moderately well to somewhat poorly drained, no-till corn can also be successful but more management is required. Three areas which require more attention are weed control, nitrogen management and planting. It has long been recognized that no-tilling results in cooler soil temperatures which can delay and reduce seed germination and seedling emergence. Additional research also indicates that diseases which attack the corn seedling in the emergence stage are more prevalent …
Fighting Hunger With Research, Judy F. Winn
Fighting Hunger With Research, Judy F. Winn
INTSORMIL Impacts and Bulletins
The Sorghum/Millet Collaborative Research Program, INTSORMIL, combines the resources and research talent of host country research institutions, eight land grant universities, and the Agency for International Development. Its objective is to improve world-wide sorghum and millet production and utilization. This 5-year report shows that the international sorghum-millet research program is one in which researchers from the U.S. and host countries can effectively collaborate. The INTSORMIL External Evaluation Panel and other reviewers have and will continue to recommend program strengthening changes. Adjustments in research program content and scientist involvement will result as plans are made for future research.
Sorghum and millet …
Summary Of Alfalfa Variety Trials In Kentucky (1971-1983), Roy E. Sigafus
Summary Of Alfalfa Variety Trials In Kentucky (1971-1983), Roy E. Sigafus
Agronomy Notes
This note shows comparable yields for 22 out of 100 alfalfa varieties which have been tested in at least three trials at Lexington or Princeton since 1971. Varieties not listed include many taken off the market, varieties known to be unsuited to Kentucky, or those which need further testing.
Yield results from seven separate trials are given in Table 1 as average annual dry matter yields (T/A) and as % relative yield (RY) as compared to Vernal. Vernal was used in each trial as a standard check and on the soils of limestone origin at Lexington and Princeton averaged over …
Performance Of Tall Fescue Varieties [1984], Robert C. Buckner, Paul B. Burrus Ii, Nelson Gay, James A. Boling, Garry D. Lacefield
Performance Of Tall Fescue Varieties [1984], Robert C. Buckner, Paul B. Burrus Ii, Nelson Gay, James A. Boling, Garry D. Lacefield
Agronomy Notes
The objective of the tall fescue breeding program is the development of varieties characterized by superior nutritive value (including reduced contents of perloline and loline alkaloids and the fungal endophyte, Epichloe typhina, (Acremonium coenophialum), palatability, disease resistance, and adaptation through the utilization of intergeneric and interspecific hybrid derivatives of ryegtass and tall fescue species. Varieties previously released from the breeding program were Kentucky 31, Kenwell; and Kenhy. Johnstone tall fescue, developed cooperatively by the Kentucky Agricultural Experiment Station and USDA-ARS, was released March 1, 1982, as a new variety. Johnstone is characterized as having low levels of perloline alkaloid and …
Blueberry Progress Reports, James F. Dill, H Y. Forsythe Jr, Kathy Flanders, Frank L. Caruso, Michael G. Zuck, Gwen Wilcox, John M. Smagula, Edward J. Mclaughlin, Mike Goltz, Jeff Risser, Delmont Emerson, John Harker, Judy Gates, Sharon Roberts, Amr A. Ismail, David E. Yarborough, Delmont C. Emerson, Tom Cs Yang
Blueberry Progress Reports, James F. Dill, H Y. Forsythe Jr, Kathy Flanders, Frank L. Caruso, Michael G. Zuck, Gwen Wilcox, John M. Smagula, Edward J. Mclaughlin, Mike Goltz, Jeff Risser, Delmont Emerson, John Harker, Judy Gates, Sharon Roberts, Amr A. Ismail, David E. Yarborough, Delmont C. Emerson, Tom Cs Yang
Wild Blueberry Research Reports
The 1983 edition of the Blueberry Progress Reports was prepared for the Maine Blueberry Commission and the University of Maine Blueberry Advisory Committee by researchers with the Maine Agricultural Experiment Station and Maine Cooperative Extension Service at the University of Maine, Orono. Projects in this report include:
1. Introduction
2. Forest Tent Caterpillar in Blueberries
3. Control, Biology, and Ecology of Insects Affecting Lowbush Blueberries
4. Blueberry Diseases: Incidence and Control
5. Physiology and Culture of the Lowbush Blueberry
6. Weed Control in Lowbush Blueberry Fields
7. Product Development of Lowbush Blueberries
Results Of The Thirteenth International Winter Wheat Performance Nursery Grown In 1981, S. L. Kuhr, C. J. Peterson, V. A. Johnson, P. J. Mattern, J. W. Schmidt
Results Of The Thirteenth International Winter Wheat Performance Nursery Grown In 1981, S. L. Kuhr, C. J. Peterson, V. A. Johnson, P. J. Mattern, J. W. Schmidt
Nebraska Agricultural Experiment Station: Historical Research Bulletins
This is the thirteenth report of results from an International Winter Wheat Performance Nursery (IWWPN) organized in 1968 by the Nebraska Agricultural Experiment Station in cooperation with the Agricultural Research Service (ARS), U. S. Department of Agriculture, under contract number AID/ta-C-1093 with the U. S. International Development Corporation, Agency for International Development. The Nursery was designed to (1) test the adaptation and stability of winter wheat cultivars in a range of latitudes, daylengths, fertility conditions, water management regimes, and disease complexes; (2) identify superior winter cultivars to serve as recipient genotypes for high protein and high lysine genes; (3) test …
Evaluation Of Crested Wheatgrass Introductions For Forage Yield And Quality, K. P. Vogel, P. E. Reece, J. F. S. Lamb
Evaluation Of Crested Wheatgrass Introductions For Forage Yield And Quality, K. P. Vogel, P. E. Reece, J. F. S. Lamb
Nebraska Agricultural Experiment Station: Historical Research Bulletins
Crested wheatgrass, Agropyron cristatum and A. desertorum, are among the most important cool-season forage grasses in the United States and Canada, particularly for reseeding arid range sites. Further improvement in this grass by breeding depends on identifying sources of genetic variability for forage yield and quality. Foreign introductions are an obvious source of genetic variation since crested wheatgrasses are introduced species. In this study 38 accessions (PI lines) and 8 Nebraska experimental lines were evaluated for forage quality as measured by in vitro dry matter digestibility (IVDMD) and protein content and for forage yield. The cultivars 'Ruff' and 'Nordan' …
Heat Stress Effects On Protein Synthesis And Exosmosis Of Cell Solutes In Three Turfgrass Species, David J. Wehner, T. L. Watschke
Heat Stress Effects On Protein Synthesis And Exosmosis Of Cell Solutes In Three Turfgrass Species, David J. Wehner, T. L. Watschke
Office of the Dean (CAFES) Scholarship
Kentucky bluegrass (Poa pratensis L.), annual bluegrass (Poa annua L.), and perennial ryegrass (Lolium perenne L.) differ in their heat tolerance as determined by plant dry weight 2 weeks after exposure to heat stress. The status of the plants at that time depends on the degree of injury that occurs during the stress treatment and the repair or tolerance of that injury. The purpose of this research was to evaluate species differences in the degree of initial injury due to heat stress. The incorporation of radio-labeled leucine as an indicator of the net rate of protein synthesis …
Soil Science Research Report - 1984
Soil Science Research Report - 1984
Soil Science Research Reports
Soil Water and Water Related Studies
Effect of Irrigation on Salt and Sodium Content of Salt Affected Soils in Central Nebraska .......... Section 1
Physics of Water in Soils and Porous Media .......... Section 2
Objective Indices of Water Regimes for Comparison Purposes .......... Section 3
Water by Nutrient Interaction Studies
Effects of Oscillations in Water Levels on Nutrient Uptake .......... Section 4
Yield, Water Use, and Nutrient Uptake of Corn Hybrids Under Varied Irrigation and Nitrogen Regimes .......... Section 5
Effect of Sprinkler Irrigation Timing and Amount on Yield of Different Winter Wheat Varieties .......... Section 6
Fertilizer Experiments …
Cereal Crop Tolerance To Herbicides, D Bowran, R Madin, A Lindsay
Cereal Crop Tolerance To Herbicides, D Bowran, R Madin, A Lindsay
Experimental Summaries - Plant Research
The 1984 experimental programme was a continuation of that started in 1981. The programme was aimed at evaluating the major herbicides in current use for cereals as well as new herbicides against the recommended varieties at three main sites, these being Wongan Hills, Merredin and Mt Barker. In addition Stage 4 breeding lines were evaluated against the same herbicides but only at Wongan Hills. The herbicides used and their rates and time of application are presented in Table 1. Herbicides were applied at both the recommended and twice the recommended rates of application, except in the breeding line trial where …
Sources Of Phosphorus Trials. Miscellaneous Trials., J W. Bowden, R Lunt, M Baker
Sources Of Phosphorus Trials. Miscellaneous Trials., J W. Bowden, R Lunt, M Baker
Experimental Summaries - Plant Research
I Sources of phosphorus work. Pasture trials - 77MT1 - New land (1977) continuous pasture trial, gravel. 80BA6 - Ley 1984. Serradella weeds and lupin regrowth, sand. 84N069 - New land (1984) pasture, gravel. Crop trials - 76WH9 - New land (1976) run down on one dressing of P W.L.S. 76WH10 - Young land Topdressed annually, biennially and once off. 76WH14 - Old land Topdressed anually and biennially. 76N4 - New land (1976) Topdressed annually biennially and once off, gravel. 84M63 - New land (1984) Once off dressing. Trials not sampled - 77WH2 - Old land Sources trial 77MT2 - …
Studies On The Effects Of Nutrition And Tillage Systems On Cereal Root Diseases, R F. Brennan
Studies On The Effects Of Nutrition And Tillage Systems On Cereal Root Diseases, R F. Brennan
Experimental Summaries - Plant Research
1. Split Applications of Nitrogen and Take-all 84N1. 2. Split Applications of Nitrogen and Take-all 84E2. 3. Split Applications of Nitrogen and Take-all 84MT4. 4. Split Applications of Nitrogen and Take-all 84LG1. 5. Nitrogen and Phosphorus Rates and Take-all 83ES41. 6. Nitrogen and Phosphorus Rates and Take-all 83ES42. 7. Nitrogen and Phosphorus Rates and Take-all 83ES43. 8. Micronutrients (Cu, Zn) and Take-all 83ES39. 9. Micronutrients (Cu, Zn) and Take-all 83ES40. 10. Cu Residual on Wheat and Take-all 67E9. 11. Cu Residual on wheat and Take-all 67E8. 12. Take-all and Manganese/Ammonium Interaction 84LG2. 13. Take-all and Manganese/Ammonium Interaction 84MT5. 14. Take-all …
Foliar Disease Of Wheat, A. G. P. Brown
Foliar Disease Of Wheat, A. G. P. Brown
Experimental Summaries - Plant Research
Wheat leaf diseases were at much reduced levels in 1984. This may have been caused by prolonged summer rain prematurely setting off dispersal of spores and also initiating microbiological breakdown of stubble residues. No survey was carried out in 1984 but a good indication of the seasonal effect can be gained by noting that in the spray-timing experiment at Badgingarra disease levels were extremely low until the end of August some 90 days after sowing. Timing of fungicide for Septoria and Yellow Spot control. 84BA32, 84GE59. Effect of Yellow-spot at Merredin (with S. Trevenen) 84ME57. Yellow-spot is common though not …
Control Of Black Spot; Peas, Potatoes, Lettuce, Eleanor M. Carter
Control Of Black Spot; Peas, Potatoes, Lettuce, Eleanor M. Carter
Experimental Summaries - Plant Research
Please find attached summaries for all experiments completed as at February 1, 1985. Crop Trial number Title Status Peas - 84MT49 Control of black spot Completed. Potatoes - 84PE25 Varietal susceptibility - Powdery scab Completed 84MD46 Varietal susceptibility to soft rot Erwinia Completed 84PE31 Yield loss and disease damage of potatoes due to Erwinia species Aborted 84MD37, 84PE32, 84PE33: Incidence of soft rot Erwinia in potato/cauliflower rotations Completed 84MN31 Yield loss and disease damage of potatoes due to Erwinia species Continuing 84MN32 Varietal susceptibility to soft rot Erwinia Continuing 84MN33 Incidence of soft rot Erwinia in potato crops Continuing Lettuce …
Soil Acidity Survey. Lime Responses In The Central Wheatbelt, P J. Dolling
Soil Acidity Survey. Lime Responses In The Central Wheatbelt, P J. Dolling
Experimental Summaries - Plant Research
Introduction: In 1984 a project commenced to examine the influence of soil acidity on barley production in the main barley growing areas of Western Australia. To carry out some of the projects objectives a soil survey was carried out.
Aims: 1. To select nine sites for liming trials in 1985. 2. To obtain more information about the soil acidity problem in the medium rainfall region of W.A. 3. To determine if there is a relationship between the pH and aluminium content of the soil.
Survey details: Area covered - Katanning and Narrogin District Office (DO) areas. Sampling period - Mid …
The Ecology Of Skeleton Weed .(Chondrilla Juncea L.) In Western Australia , Afghan Thistle (Solanum Hoplopetalum) Ecology, J. Dodd
Experimental Summaries - Plant Research
1. The ecology of skeleton weed .(Chondrilla juncea L.) in Western Australia - 84PE18 Seed production and water use in the glasshouse. 1.2 Seed production and water use of field-grown skeleton weed (84BA17, 84BA18). Water use. 1.3 Germination in relation to soil water content. 2. Afghan thistle (Solanum hoplopetalum) ecology. 2.1 Water relations (84N048). 2.2 Growth in Afghan thistle (84N050). 2.3 Afghan thistle reproductive biology (84N049, 84N063, 84PE19).
Doublegee Seed Dormancy And Longevity, Lupins - Radish Control, Peas - Broadleaf Weed Control, D J. Gilbey, R. Klemm
Doublegee Seed Dormancy And Longevity, Lupins - Radish Control, Peas - Broadleaf Weed Control, D J. Gilbey, R. Klemm
Experimental Summaries - Plant Research
Doublegee - Seed dormancy and longevity. Doublegee seed longevity x depth – 76C9, 75KA8. Lupins - Radish control. Radish control in lupins – 84A4, 84GE54, 84ME45, 84TS35. Pre-emergence grass weed control. Pre-emergence grass control in lupins – 84BA30, 84BA33. Post-emergence grass weed control - 84A5. Simazine rates on qravel soils – 84NO61, 84NA26. Herbicide in peas – 84ME56. Peas – Broad leaf weed control. Broad leaf weed control in grain peas – 84KA30, 84ME46, 84NO64.
Annual Medicago Spp. For Wa Rangelands - Selection And Establishment Techniques, G Gintzburger
Annual Medicago Spp. For Wa Rangelands - Selection And Establishment Techniques, G Gintzburger
Experimental Summaries - Plant Research
1) Exp 84KG1: Annual Medicago spp, for W.A. Rangeland. Ecotype testing with seeds sown (Woolibar Station). 2) Exp 84KG2: Pod seeding of annual Medics and response to phosphate fertilisation (I). (Woolibar Station). 3) Exp 84KG3: Serena Medics on Goldfield Rangeland - Pod seeding and pitting (Jeedamya Station). 4) Exp 84KG4: Pod seeding of annual Medics and response to phosphate fertilisation (II). (Woolibar Station). 5) Exp 84CA1: Establishment and survival of annual Medics - Pod seeding on W.A. rangelands simulating aerial seeding (Quobba Station). 6) Exp 84CA2: Annual Medicago spp. for W.A. rangeland - Ecotypes testing with seed sown (Hamelin Station). …
Water Use Of Alternative Wheatbelt Crop Species, A P. Hamblin, M W. Perry, D Tennant, Neil C. Turner Dr
Water Use Of Alternative Wheatbelt Crop Species, A P. Hamblin, M W. Perry, D Tennant, Neil C. Turner Dr
Experimental Summaries - Plant Research
84M5, 84M6, 84M7. Location: Merredin Research Station Merredin, Western Australia. Three experiments were conducted to measure the productivity and water use of alternative wheatbelt crop species on contrasting soil types in a dry mediterranean environment. Crop species investigated were wheat, barley, cereal rye, narrow leafed lupin and field pea. These were grown on three contrasting soil types, a red-brown earth, a sandy loam over clay and a deep loamy sand; all soils occurring within close proximity to each other. Detailed measurements were made of meteorological conditions, dry matter production, leaf area, root growth, soil water profiles, light interception and plant …
Nitrogenous Fertilisers For Cereals, M G. Mason
Nitrogenous Fertilisers For Cereals, M G. Mason
Experimental Summaries - Plant Research
Nitrogenous fertilisers for cereals: Evaluation of the nitrification inhibitor- DIDIN – 84BA2, 84TS2. Nitrogen fertiliser requirement in alternate crop-pasture rotation – 778BA1, 78WH2. Effect of Agras No. 1 on soil pH and wheat yield – 80M1, 80N3, 80WH3. Late nitrogen sprays for wheat – 84M2, 84MT1, 84WH1. Rates of nitrogen on wheat - soil test – 84MO1, 84MO2, 84MO4, 84MO5, 84MO6. Effect of stubble treatment on nitrogen fertiliser requirement – 78M2. Nitrogen fertiliser requirement in a lupin-wheat rotation – 81LG29. Rates of nitrogen on wheat – 84ME47, 84ME48. Nitrogen response in wheat on grey clay – 84MO7. Nitrogen rate on …
Pasture Species Investigations, D A. Nicholas
Pasture Species Investigations, D A. Nicholas
Experimental Summaries - Plant Research
I. Screening of alternatives to cv. Woogenellup clover: 81NA37 - N. Bannister. 81PE6 - Byford. 82NA36 - W. Wandering. II. Screening of mid to late maturing lines of subterranean clover: 82BU12 - Karridale. 83MA7 - Wilgarup. 83AL49 - Hazelvale. 83BU22 - Bramley. 84V7 - Vasse Research Station III. Screening of early to midseason maturing lines of subterranean clover: 83NA35 - W. Wandering. 83M039 - Lancelin. 84M087 – Bidaminna IV. Screening of early maturing lines of subclover: 84NA27 - Tarwonga. 84WH35 - Wongan Hills Research Station.
Ecology Of Skeleton Weed (Chondrilla Juncea) In Western Australia, F D. Panetta
Ecology Of Skeleton Weed (Chondrilla Juncea) In Western Australia, F D. Panetta
Experimental Summaries - Plant Research
For the first time a laboratory for conducting this type of research has been established in South Perth, and it has been possible to type plants from mature leaf material. This obviates the necessity of waiting for plants to seed to be able to identify them. A total of six new collections were identified as belonging to either the broad-leaf or narrow-leaf forms, the locations for which are given in Table l.l..
Seed viability. To determine the amounts, viability and dormancy status of seeds produced by field-grown plants during summer and autumn months. Time course of seed production by field-grown …
Molybdenum Nutrition, M M. Riley
Molybdenum Nutrition, M M. Riley
Experimental Summaries - Plant Research
Field trials. 1. Residual value of Molybdenum on an acid soil - 81NO40. 2. Residual value of Molybdenum on an acid soil - 81M2. 3. Residual value of Molybdenum on an acid soil - 81LG12. 4. Residual value of Molybdenum on an acid soil - 83ME82. 5. Residual value of Molybdenum on and acid soil - 82NO7. 6. Residual values of different Molybdenum sources - 84ME10. 7. Residual values of different Molybdenum sources - 84GE49. 8. Molybdenum requirements of wheat and lupins - 83ME10. 9. Molybdenum requirements of wheat, triticale and lupins - 84ME8. 10. Forms and rates of soil …
Grain Legume Agronomy Program, G H. Walton
Grain Legume Agronomy Program, G H. Walton
Experimental Summaries - Plant Research
Lupin Agronomy - varieties x environment - Wongan Hills R.S., Badgingarra R.S., Newdegate R.S., Mt Barker R.S. Lupin Agronomy - morphology x split seed – Mr J. wood, “Karakin”, Lancelin. Lupin Agronomy - Erregulla regeneration and rotation – Lancelin, Moora, Watheroo. Grain legume species comparison – 84ES1, 84LG38, 84MO10, 84ES1. Field pea evaluation – varieties. Aim: To compare the biological and seed yield adaptation to environment between morphological types of field pea. Field pea agronomy – 84KA18, 84LG25, 84ME42, 84MO33, 84MO34, 84N16, 84SG20, 84SG28. Sowing time x seed rate. Pea and wheat response to applied P – 84LG24, 84ME43, 84NO46, …
Summary Of Medic-Rhizobium Field Experiments 1983 – 1984, J G. Howieson
Summary Of Medic-Rhizobium Field Experiments 1983 – 1984, J G. Howieson
Experimental Summaries - Plant Research
Trials 83ME9, 83ME87, 82ME22, 82ME22A, 82ME23.
Method.
Comments
Breeding Wheat Varieties For Acid Soils, I R. Barclay
Breeding Wheat Varieties For Acid Soils, I R. Barclay
Journal of the Department of Agriculture, Western Australia, Series 4
Wheat varieties with improved tolerance of acid soils cold increase yeilds be perhaps 20 per cent or more over a substantialarea ofWestern Australia's eastern wheatbelt.
Aluminium toxicity is probably the main cause of poor root growth and therefore reduced yields on these soils.
Tva Fluid Fertilizers Chapter Two - Agronomic Aspects, Eugene C. Sample, Gary W. Akin, Robert Mikkelsen
Tva Fluid Fertilizers Chapter Two - Agronomic Aspects, Eugene C. Sample, Gary W. Akin, Robert Mikkelsen
Robert Mikkelsen
No abstract provided.
Tva Fluid Fertilizers Chapter One- History, Growth, And Status, Robert Mikkelsen
Tva Fluid Fertilizers Chapter One- History, Growth, And Status, Robert Mikkelsen
Robert Mikkelsen
No abstract provided.