Paul W. Unger
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Paul W. Ungerearth-sciences Degrees
Earth Sciences
#1873
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#2609
Historical Rank
Soil Science
#64
World Rank
#72
Historical Rank
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Earth Sciences
Why Is Paul W. Unger Influential?
(Suggest an Edit or Addition)Paul W. Unger's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Soil compaction and root growth: a review (1994) (469)
- Cover crop effects on soil water relationships (1998) (356)
- Conservation Tillage Systems (1980) (342)
- Decomposition and Nitrogen Dynamics of Crop Residues: Residue Quality and Water Effects (1994) (220)
- Efficient Water Use in Dryland Cropping Systems in the Great Plains (2005) (211)
- Soil Water Accumulation under Different Precipitation, Potential Evaporation, and Straw Mulch Conditions (2001) (211)
- Crop residue management and tillage methods for conserving soil and water in semi-arid regions (1991) (198)
- Distribution and amount of soil organic C in long-term management systems in Texas (1998) (185)
- Long-term tillage and cropping systems affect bulk density and penetration resistance of soil cropped to dryland wheat and grain sorghum (1998) (159)
- Soil hydraulic properties of cropland compared with reestablished and native grassland (2003) (148)
- Straw mulch rate effect on soil water storage and sorghum yield (1978) (147)
- Managing Agricultural Residues (1994) (128)
- Soil and crop management effects on soil quality indicators (1992) (128)
- Organic matter, nutrient, and pH distribution in no- and conventional-tillage semiarid soils (1991) (127)
- Predicting tillage effects on soil physical properties and processes : proceedings of a symposium (1982) (118)
- Crop rotation and tillage effects on organic carbon sequestration in the semiarid southern Great Plains (1997) (111)
- Tillage effects on soil properties and crop production in the subhumid and semiarid Argentinean Pampas (1998) (111)
- Managing Irrigated Winter Wheat Residues for Water Storage and Subsequent Dryland Grain Sorghum Production1 (1979) (107)
- Evaporation Reduction from Soil with Wheat, Sorghum, and Cotton Residues (1976) (106)
- Pullman Soils: Distribution, Importance, Variability, and Management. (1981) (86)
- Effect of Surface Residues on Soil Water Storage (1986) (85)
- Tillage and Residue Effects on Wheat, Sorghum, and Sunflower Grown in Rotation1 (1984) (84)
- Time and Frequency of Irrigation Effects on Sunflower Production and Water Use (1982) (83)
- Factors Related to Dryland Grain Sorghum Yield Increases: 1939 through 1997 (1999) (83)
- Straw Mulch Effects on Soil Temperatures and Sorghum Germination and Growth1 (1978) (82)
- Tillage implement disturbance effects on soil properties related to soil and water conservation: a literature review (1991) (81)
- Crop residue decomposition in no-tillage small-grain fields (1999) (78)
- Tillage systems for soil and water conservation (1984) (74)
- Infiltration of Simulated Rainfall: Tillage System and Crop Residue Effects (1992) (74)
- Crop residue effects on water conservation. (1994) (72)
- Wheat Residue Loss from Fields under No‐till Management (1990) (70)
- Influence of crop residues on nutrient cycling and soil chemical properties. (1994) (67)
- Overwinter Changes in Physical Properties of No‐Tillage Soil (1991) (65)
- Residue effects on soil physical properties. (1994) (62)
- Tillage Effects on Dryland Wheat and Sorghum Production in the Southern Great Plains (1994) (56)
- Feedlot Waste Effects on Soil Conditions and Water Evaporation1 (1974) (55)
- Soil Profile Gravel Layers: I. Effect on Water Storage, Distribution, and Evaporation1 (1971) (55)
- Management-induced aggregation and organic carbon concentrations in the surface layer of a Torrertic Paleustoll (1997) (54)
- Soil bulk density, penetration resistance, and hydraulic conductivity under controlled traffic conditions (1996) (53)
- Tillage Effects on Surface Soil Physical Conditions and Sorghum Emergence1 (1984) (53)
- Aggregate and organic carbon concentration interrelationships of a Torrertic Paleustoll (1997) (51)
- Wheat Residue Management Effects on Soil Water Storage and Corn Production1 (1986) (48)
- Effects of deep tillage and profile modification on soil properties, root growth, and crop yields in the United States and Canada☆ (1979) (48)
- Conventional- and no-tillage effects on upper root zone soil conditions☆ (1990) (46)
- Irrigation effect on sunflower growth, development, and water use (1983) (46)
- Influence of crop residues on water erosion. (1994) (43)
- Planting Date Effects on Growth, Yield, and Oil of Irrigated Sunflower1 (1980) (43)
- Soil Management for Efficient Water Use: An Overview 1 (1983) (41)
- Agricultural Water Conservation- A Global Perspective (1999) (41)
- Seedbed Surface Geometry Effects on Soil Crusting and Seedling Emergence (2004) (39)
- Tillage and residue effects on root growth and yields of grain sorghum following wheat (1997) (39)
- Planting Date Effects on Sunflower Head and Seed Development1 (1982) (39)
- Biomass and residue cover relationships of fresh and decomposing small grain residue. (2000) (37)
- Effect of soil water content and a growing season straw mulch on grain sorghum (1980) (36)
- Soil Organic Matter and Nitrogen Changes During 24 Years of Dryland Wheat Tillage and Cropping Practices (1968) (36)
- Dryland Farming in Southern Africa (2015) (35)
- Alternative and Opportunity Dryland Crops and Related Soil Conditions in the Southern Great Plains (2001) (35)
- Soil Profile Modification for Increasing Crop Production (1985) (33)
- Water Conservation and Efficient Use (2006) (32)
- Surface Soil Physical Properties after 36 Years of Cropping to Winter Wheat 1 (1982) (32)
- Modeling Sorghum Seedling Establishment from Soil Wetness and Temperature of Drying Seed Zones (1992) (31)
- Surface crop residue effects on the soil surface energy balance. (1994) (29)
- Residue Management Effects on Soil Temperature (1988) (28)
- Soil Profile Gravel Layers: II. Effect on Growth and Water Use by a Hybrid Forage Sorghum1 (1971) (27)
- Tillage and crop residue management practices for sustainable dryland farming systems (1997) (27)
- Irrigated Wheat Grazing and Tillage Effects on Subsequent Dryland Grain Sorghum Production (2001) (26)
- Growth and Development of Irrigated Sunflower in the Texas High Plains1 (1986) (23)
- Alternatives to Crop Residues for Sustaining Agricultural Productivity and Natural Resource Conservation (1997) (23)
- Residue effects on soil micro- and macroorganisms. (1994) (23)
- Dryland cropping in the Canadian Prairies and the U.S. Northern Great Plains. (2006) (23)
- Land-leveling effects on soil texture, organic matter content, and aggregate stability (1990) (22)
- Common soil and water conservation practices. (1996) (22)
- Drylands of the Mediterranean Zone: Biophysical Resources and Cropping Systems (2015) (22)
- Surface Residue, Water Application, and Soil Texture Effects on Water Accumulation1 (1976) (22)
- Alternatives to crop residues for soil amendment (1997) (22)
- Dryland agriculture in Mexico and the U.S. southern Great Plains. (2006) (21)
- Aggregation of soil cropped to dryland wheat and grain sorghum (1998) (21)
- Land Use Effects on Soil Hydraulic Properties (2000) (21)
- Role of Crop Residues—Improving Water Conservation and Use (2015) (20)
- Grain Sorghum Response to Tillage Method Used during Fallow and to Limited Irrigation (1985) (20)
- No-Till Technology: Impacts on Farm Income, Energy Use and Groundwater Depletion in the Plains (1985) (20)
- Water Retention by Core and Sieved Soil Samples 1 (1975) (19)
- Crop Choices and Rotation Principles (2015) (18)
- Grain and Forage Sorghum Production with No‐Tillage on Dryland (1988) (17)
- Residue management for winter wheat and grain sorghum production with limited irrigation. (1994) (17)
- Plant disease incidence as influenced by conservation tillage systems. (1994) (17)
- Ridge Tillage for Managing Irrigation Water on the U.S. Southern Great Plains (1990) (17)
- Tillage Effects on Winter Wheat Production where the Irrigated and Dryland Crops are Alternated 1 (1977) (16)
- Predicting Tillage Effects on Cotton Growth and Yield (1980) (16)
- Wind erosion control with residues and related practices. (1994) (15)
- Tillage Effects on Wheat and Sunflower Grown in Rotation (1981) (15)
- Crop management on conservation tillage systems. (1994) (15)
- Residue Placement Effects on Decomposition, Evaporation, and Soil Moisture Distribution1 (1968) (15)
- SOIL HYDRAULIC CONDUCTIVITY AND RETENTION CURVES FROM TENSION INFILTROMETER AND LABORATORY DATA (2000) (15)
- Changing Soil Condition—The Soil Dynamics of Tillage (1982) (15)
- Grassland converted to cropland: Soil conditions and sorghum yield (1995) (15)
- Management of a Stem Weevil, Cylindrocopturus adspersus (LeConte) (Coleoptera: Curculionidae), in Sunflower in the Southern Great Plains (1983) (14)
- Residual effects of soil profile modification on water infiltration, bulk density, and wheat yield (1993) (14)
- Conservation Tillage Systems and Soil Productivity (1985) (14)
- Ridge Height and Furrow Blocking Effects on Water Use and Grain Yield (1992) (13)
- Ontogeny and Water Use of No-Tillage Sorghum Cultivars on Dryland (1991) (13)
- Cultural Practices for Irrigated Winter Wheat Production1 (1973) (12)
- Soil and Water Conservation Handbook: Policies, Practices, Conditions, and Terms (2006) (12)
- Organic Matter and Water-Stable Aggregate Distribution in Ridge-Tilled Surface Soil (1995) (11)
- Land preparation and seedling establishment practices in multiple cropping systems. (1976) (11)
- Conversion of Conservation Reserve Program (CRP) Grassland for Dryland Crops in a Semiarid Region (1999) (11)
- Dryland winter wheat and grain sorghum cropping systems, northern high plains of Texas (1972) (11)
- Water Conservation for Agriculture (2010) (10)
- Paper Pellets as a Mulch for Dryland Grain Sorghum Production (2001) (10)
- Water Relations and Growth of Beans (Phaseolus vulgaris L.) as Influenced by Nutrient Solution Temperatures1 (1967) (10)
- Effects of planting date and irrigation on wax content of sunflower-seed oil (1984) (9)
- Reconsolidation of a Torrertic Paleustoll after Tillage with a Paratill (1993) (8)
- Tillage Systems and Equipment for Dryland Farming (1990) (8)
- Conservation tillage for improving dryland crop yields (2002) (8)
- Water relations of a profile-modified slowly permeable soil. (1970) (7)
- Influence of Oxygen and Carbon Dioxide on Germination and Seedling Development of Corn (Zea mays L.) 1 (1965) (7)
- Residue management - what does the future hold? (1994) (7)
- Dryland Cropping Systems of Semiarid West and East Africa (2015) (7)
- Management systems in Northern South America. (2015) (7)
- Agricultural technology and conservation in the Southern High Plains (1985) (6)
- Dryland Agriculture Research Issues (2015) (6)
- Global multi-environment resistance QTL for foliar late blight resistance in tetraploid potato with tropical adaptation (2020) (6)
- Infiltration of Simulated Rainfall: Dry Aggregate Size Effects (1994) (6)
- Irrigation + dryland farming + limited tillage: A profitable combination (1983) (6)
- Crop Reactions to Water and Temperature Stresses in Humid, Temperate Climates (1984) (6)
- Dryland Agriculture in Eastern Asia (2015) (6)
- HISTORICAL DEVELOPMENT OF CONSERVATION TILLAGE IN THE SOUTHERN GREAT PLAINS (2002) (6)
- Principles of crop and soil management procedures for maximizing production per unit rainfall (1988) (6)
- Dryland agriculture in Northeastern Europe and Northwestern Asia. (2015) (6)
- Management Systems in Southern South America (2015) (6)
- Residue production and uses - an introduction to managing agricultural residues. (1994) (5)
- Adventitious Rooting in ‘Hopi’ Sunflower: Function and Anatomy1 (1984) (5)
- Effects of furrow diking and tillage on water storage, plant water use efficiency and yield of sorghum (1996) (5)
- Crop residue use as animal feed. (1994) (5)
- Ridge tillage for continuous grain sorghum production with limited irrigation (1994) (4)
- Erosion Potential of a Torrertic Paleustoll after Converting Conservation Reserve Program Grassland to Cropland (1999) (4)
- No-till dryland grain sorghum after irrigated wheat with intervening fallow (1975) (4)
- Soil Total Carbon Content, Aggregation, Bulk Density, and Penetration Resistance of Croplands and Nearby Grasslands (2009) (4)
- Economics of residue management in agricultural tillage systems. (1994) (4)
- Agronomic practices in relation to soil amendments and pesticides. (1995) (4)
- Paratill effects on loosening of a Torrertic Paleustoll (1993) (4)
- Effects of cultural practices on nitrate in soil and nitrogen in grain sorghum (1998) (4)
- Residue management impact on the environment. (1994) (4)
- Subsoil Management Techniques (1995) (4)
- Soil Management Research for Water Conservation and Quality (2018) (4)
- Tillage and cropping system effects on selected conditions of a soil cropped to grain sorghum for twelve years (1997) (4)
- Consumptive water use, harvestable dry matter production and nitrogen uptake by irrigated grain sorghum, Northern High Plains of Texas (1971) (3)
- Evaporation Reduction with Paper-Pellet Mulch (1995) (3)
- Soil Management—Tillage, Seedbed Preparation, and Erosion Control (2015) (3)
- Soil-, water-, and energy-conserving tillage - Southern Plains (1981) (3)
- Crop Residue Management Increases Dryland Grain Sorghum Yields in a Semiarid Region (2002) (3)
- Soil temperature simulation with varying residue management (1994) (3)
- Dryland Farming in South Asia (2015) (2)
- Conservation Tillage in the Southern United States Great Plains (2017) (2)
- Nitrates in soil after long‐term management for dryland grain sorghum and winter wheat (2000) (2)
- Conservation: Tillage and No-Tillage (2007) (2)
- Response of conservation tillage sorghum to growing season precipitation (1986) (2)
- Residue management for continuous winter wheat production with limited irrigation (1995) (2)
- Soil and Water Conservation Handbook (2006) (1)
- Conservation tillage for water conservation (1984) (1)
- Management of crops on clay soils in the tropics (2016) (1)
- Dryland grain sorghum production on the Northern High Plains of Texas (1971) (1)
- Management Effects on Soil Organic Carbon in Texas Soils (2015) (1)
- Water Conservation in Soil (2005) (1)
- Sorghum Tillage in the Texas High Plains (2003) (1)
- Residue Management Strategies – Great Plains (2018) (1)
- Management of Dry-Farmed Southern Great Plains Soils for Sustained Productivity (2019) (0)
- Future Developments in Soil and Water Conservation and Management -- An Introduction (1987) (0)
- Response of sorghum to growing season precipitation with conservation tillage (1986) (0)
- Rainfall Infiltration as Affected by Soil Aggregation Resulting from Different Tillage Methods (1986) (0)
- Bulk density and penetration resistance of soil cropped to dryland wheat and sorghum (1997) (0)
- Soil modification for improving plant-water relations and effects on et. (1970) (0)
- Fifty Years of Soil and Water Conservation in the United States (2007) (0)
- Solid State Circuitry to Activate Event Recorders Used with Drop-Counters1 (1970) (0)
- 3 Water Conservation and Efficient Use (0)
- Dryland No‐Tillage Winter Wheat Response to Planter Type (1996) (0)
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