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You searched for: Journal Journal of environmental quality Remove constraint Journal: Journal of environmental quality Publication Year 2018 Remove constraint Publication Year: 2018 Source 2018 v.47 no.4 Remove constraint Source: 2018 v.47 no.4
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1. Availability of Phosphorus after Long-term Whole and Separated Slurry Application to Perennial Grass prior to Corn Silage

Author:
Zhang, H.; Bittman, S.; Hunt, D. E.; Bounaix, F.; Messiga, A. J.
Source:
Journal of environmental quality 2018 v.47 no.4 pp. 893-901
ISSN:
0047-2425
Subject:
Festuca arundinacea; Zea mays; biomass; corn; corn silage; crops; dairy manure; grain yield; leaves; liquids; mycorrhizal fungi; perennial grasses; phosphorus; phosphorus fertilizers; pollution control; pollution load; risk reduction; slurries; soil; total phosphorus
Abstract:
... Removing solids from whole dairy slurry (WS) can reduce P loading on fields. This study investigated the effects of 11 yr of applications of WS, separated liquid fraction (LF), commercial fertilizer, WS plus fertilizer, and a control on total and extractable (Kelowna) soil P in perennial grass (Festuca arundinacea Schreb.) and two subsequent silage corn (Zea mays L.) crops. Plots received 200 kg N ...
DOI:
10.2134/jeq2017.12.0466

2. CQESTR-Simulated Response of Soil Organic Carbon to Management, Yield, and Climate Change in the Northern Great Plains Region

Author:
Nash, P. R.; Gollany, H. T.; Sainju, U. M.
Source:
Journal of environmental quality 2018 v.47 no.4 pp. 674-683
ISSN:
0047-2425
Subject:
Hordeum vulgare; Pisum sativum; arid lands; barley; carbon dioxide; climate change; climatic factors; conventional tillage; cropping sequence; fallow; fertilizer rates; grain yield; greenhouse gas emissions; nitrogen fertilizers; no-tillage; peas; simulation models; soil organic carbon; soil quality; topsoil; Great Plains region; Montana
Abstract:
... Traditional dryland crop management includes fallow and intensive tillage, which have reduced soil organic carbon (SOC) over the past century, raising concerns regarding soil health and sustainability. The objectives of this study were: (i) to use CQESTR, a process-based C model, to simulate SOC dynamics from 2006 to 2011 and to predict relative SOC trends in cropping sequences that included barle ...
Handle:
10113/5935598
DOI:
10.2134/jeq2017.07.0273

3. Impact of Flue Gas Desulfurization Gypsum and Manure Application on Transfer of Potentially Toxic Elements to Plants, Soil, and Runoff

Author:
Torbert, H. Allen; Watts, Dexter B.; Chaney, Rufus L.
Source:
Journal of environmental quality 2018 v.47 no.4 pp. 865-872
ISSN:
0047-2425
Subject:
antimony; arsenic; barium; beryllium; cadmium; calcium; chromium; cobalt; copper; flue gas desulfurization; fly ash; gypsum; industrial byproducts; iron; lead; magnesium; manganese; manure spreading; nickel; nutrients; phosphorus; plant response; potassium; poultry manure; rainfall simulation; runoff; selenium; sodium; soil; soil pollution; surface water; thallium; toxic substances; vanadium; water pollution; zinc
Abstract:
... There are concerns regarding the fate of nutrients from surface application of animal manure. One approach to reduce losses of P is to treat manure with industrial byproducts such as flue gas desulfurization (FGD) gypsum. However, concerns regarding potentially toxic elements contributed to the environment have arisen based on previous element-rich forms of FGD gypsum that included fly ash, wherea ...
Handle:
10113/6562445
DOI:
10.2134/jeq2017.11.0437

4. Measurements and Models to Identify Agroecosystem Practices That Enhance Soil Organic Carbon under Changing Climate

Author:
Gollany, Hero T.; Venterea, Rodney T.
Source:
Journal of environmental quality 2018 v.47 no.4 pp. 579-587
ISSN:
0047-2425
Subject:
agricultural management; agroecosystems; arid lands; biomass; climate; climate change; crop yield; ecosystem management; grasslands; landscapes; meta-analysis; models; pastures; soil organic carbon; temperature
Abstract:
... Adapting to the anticipated impacts of climate change is a pressing issue facing agriculture, as precipitation and temperature changes are expected to have major effects on agricultural production in many regions of the world. These changes will also affect soil organic matter decomposition and associated stocks of soil organic C (SOC), which have the potential to feed back to climate change and a ...
Handle:
10113/6472330
DOI:
10.2134/jeq2018.05.0213

5. Simulated Soil Organic Carbon Responses to Crop Rotation, Tillage, and Climate Change in North Dakota

Author:
Nash, P. R.; Gollany, H. T.; Liebig, M. A.; Halvorson, J. J.; Archer, D. W.; Tanaka, D. L.
Source:
Journal of environmental quality 2018 v.47 no.4 pp. 654-662
ISSN:
0047-2425
Subject:
Secale cereale; Triticum aestivum; arid lands; biomass; climate change; crop production; crop rotation; fallow; minimum tillage; models; no-tillage; rye; soil; soil organic carbon; spring wheat; North Dakota
Abstract:
... Understanding how agricultural management and climate change affect soil organic carbon (SOC) stocks is particularly important for dryland agriculture regions that have been losing SOC over time due to fallow and tillage practices, and it can lead to development of agricultural practice(s) that reduce the impact of climate change on crop production. The objectives of this study were: (i) to simula ...
Handle:
10113/5935599
DOI:
10.2134/jeq2017.04.0161

6. Simulated Soil Organic Carbon Response to Tillage, Yield, and Climate Change in the Southeastern Coastal Plains

Author:
Nash, P. R.; Gollany, H. T.; Novak, J. M.; Bauer, P. J.; Hunt, P. G.; Karlen, D. L.
Source:
Journal of environmental quality 2018 v.47 no.4 pp. 663-673
ISSN:
0047-2425
Subject:
Glycine max; Gossypium hirsutum; Kandiudults; Secale cereale; Triticum aestivum; Zea mays; climate change; conservation tillage; conventional tillage; corn; cover crops; crop rotation; crop yield; humid zones; loamy sand soils; models; rye; soil organic carbon; soil profiles; winter; winter wheat
Abstract:
... Intensive tillage, low-residue crops, and a warm, humid climate have contributed to soil organic carbon (SOC) loss in the southeastern Coastal Plains region. Conservation (CnT) tillage and winter cover cropping are current management practices to rebuild SOC; however, there is sparse long-term field data showing how these management practices perform under variable climate conditions. The objectiv ...
Handle:
10113/5935600
DOI:
10.2134/jeq2017.05.0190

7. Simulating Soil Organic Carbon Responses to Cropping Intensity, Tillage, and Climate Change in Pacific Northwest Dryland

Author:
Gollany, Hero T.; Polumsky, Robert W.
Source:
Journal of environmental quality 2018 v.47 no.4 pp. 625-634
ISSN:
0047-2425
Subject:
Sorghum bicolor subsp. drummondii; Triticum aestivum; arid lands; climate; climate change; climate models; cropping systems; data collection; emissions; environmental assessment; grain yield; no-tillage; plows; soil depth; soil organic carbon; soil quality; weather; winter wheat; Oregon
Abstract:
... Managing dryland cropping systems to increase soil organic C (SOC) under changing climate is challenging after decades of winter wheat (Triticum aestivum L.)–fallow and moldboard plow tillage (W–F/MP). The objective was to use CQESTR, a process-based C model, and SOC data collected in 2004, 2008, and 2012 to predict the best management to increase SOC under changing climate in four cropping system ...
Handle:
10113/5935602
DOI:
10.2134/jeq2017.09.0374