Works by Olk, Daniel C.
Results: 20
Carbohydrates and Amino Compounds as Short-Term Indicators of Soil Management.
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- CLEAN: Soil, Air, Water, 2017, v. 45, n. 1, p. n/a, doi. 10.1002/clen.201600076
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- Article
Maize Growth Responses to a Humic Product in Iowa Production Fields: An Extensive Approach.
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- Frontiers in Plant Science, 2022, v. 12, p. 1, doi. 10.3389/fpls.2021.778603
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- Article
Humic products in agriculture: potential benefits and research challenges—a review.
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- Journal of Soils & Sediments: Protection, Risk Assessment, & Remediation, 2018, v. 18, n. 8, p. 2881, doi. 10.1007/s11368-018-1916-4
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- Article
CAN HUMIC PRODUCTS SUBSTANTIALLY IMPROVE ECOSYSTEM QUALITY AND ECONOMIC YIELD?
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- Silva Balcanica, 2019, v. 20, p. 95
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- Article
Potential Alterations in the Chemical Structure of Soil Organic Matter Components during Sodium Hydroxide Extraction.
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- Journal of Environmental Quality, 2019, v. 48, n. 6, p. 1578, doi. 10.2134/jeq2019.02.0077
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- Article
Integrating plant litter quality, soil organic matter stabilization, and the carbon saturation concept.
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- Global Change Biology, 2015, v. 21, n. 9, p. 3200, doi. 10.1111/gcb.12982
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- Article
Maize Growth and Grain Yield Responses to a Micronized Humic Product Across Soil Types and Annual Weather Patterns in Central Iowa, United States.
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- Frontiers in Plant Science, 2021, v. 12, p. N.PAG, doi. 10.3389/fpls.2021.672078
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- Article
Maximum soil organic carbon storage in Midwest U.S. cropping systems when crops are optimally nitrogen-fertilized.
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- PLoS ONE, 2017, v. 12, n. 3, p. 1, doi. 10.1371/journal.pone.0172293
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- Article
A New Standardized Method for Quantification of Humic and Fulvic Acids in Humic Ores and Commercial Products.
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- Journal of AOAC International, 2014, v. 97, n. 3, p. 721, doi. 10.5740/jaoacint.13-393
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- Article
Mineral changes in the rhizospheres of conifer plantations for a weathered subtropical soil.
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- Soil Science Society of America Journal, 2024, v. 88, n. 4, p. 1463, doi. 10.1002/saj2.20682
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- Article
Fall Conservation Deep Tillage Stabilizes Maize Residues into Soil Organic Matter.
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- Soil Science Society of America Journal, 2012, v. 76, n. 6, p. 2154, doi. 10.2136/sssaj2012.0121
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- Article
Forms and Lability of Phosphorus in Humic Acid Fractions of Hord Silt Loam Soil.
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- Soil Science Society of America Journal, 2011, v. 75, n. 5, p. 1712, doi. 10.2136/sssaj2010.0355
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- Article
Solid-State NMR Analysis of Soil Organic Matter Fractions from Integrated Physical--Chemical Extraction.
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- Soil Science Society of America Journal, 2011, v. 75, n. 4, p. 1374, doi. 10.2136/sssaj2010.0382
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- Article
Capillary Electrophoresis and Fluorescence Excitation-Emission Matrix Spectroscopy for Characterization of Humic Substances.
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- Soil Science Society of America Journal, 2008, v. 72, n. 5, p. 1248, doi. 10.2136/sssaj2007.0305
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- Article
Response to "Comments on `Need for a Soil-based Approach in Managing Nitrogen Fertilizers for Profitable Corn Production' and `Soil Organic Nitrogen Enrichment Following Soybean in an Iowa Corn-Soybean Rotation".
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- Soil Science Society of America Journal, 2007, v. 71, n. 1, p. 255, doi. 10.2136/sssaj2006.287l
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- Article
A Chemical Fractionation for Structure—Function Relations of Soil Organic Matter in Nutrient Cycling.
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- Soil Science Society of America Journal, 2006, v. 70, n. 3, p. 1013, doi. 10.2136/sssaj2005.0108
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Overview of the Symposium Proceedings, "Meaningful Pools in Determining Soil Carbon and Nitrogen Dynamics".
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- Soil Science Society of America Journal, 2006, v. 70, n. 3, p. 967, doi. 10.2136/sssaj2005.0111
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- Article
Influence of Annual Ryegrass (Lolium multiflorum) as Cover Crop on Soil Water Dynamics in Fragipan Soils of Southern Illinois, USA.
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- Soil Systems, 2024, v. 8, n. 4, p. 126, doi. 10.3390/soilsystems8040126
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- Article
A soil matrix capacity index to predict mineral-associated but not particulate organic carbon across a range of climate and soil pH.
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- Biogeochemistry, 2023, v. 165, n. 1, p. 1, doi. 10.1007/s10533-023-01066-3
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- Article
Legume Decomposition and Nitrogen Release When Applied as Green Manures to Tropical Vegetable Production Systems.
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- Agronomy Journal, 2000, v. 92, n. 2, p. 253, doi. 10.2134/agronj2000.922253x
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- Article