Results 321 to 330 of about 653,702 (404)

Halophytes as Forages

, 2018
openaire   +4 more sources

A short history of the phosphorus index and Andrew Sharpley's contributions from inception through development and implementation

Journal of Environmental Quality, EarlyView.
Abstract In the 1980s, growing recognition of agricultural phosphorus (P) sources to surface water eutrophication led to scrutiny of animal feeding operations. In 1990, the USDA‐Natural Resources Conservation Service (NRCS) invited prominent scientists to find a solution. It was at an initial meeting that Dr. Andrew Sharpley suggested that P assessment
Deanna L. Osmond, Peter J. A. Kleinman, Frank Coale, Nathan O. Nelson, Carl H. Bolster, Josh McGrath   +5 more
wiley   +1 more source

Estimating photosynthetic characteristics of forage rape by fusing the sensitive spectral bands to combined stresses of nitrogen and salt. [PDF]

Front Plant Sci
Wang J, Wang H, Lv X, Cui J, Shi X, Song J, Li W, Zhang W.   +7 more
europepmc   +1 more source

From foraging to... foraging

, 2014
openaire   +1 more source

Balancing agriculture and environment: Andrew Sharpley's nutrient, soil, and water management legacy

Journal of Environmental Quality, EarlyView.
Abstract Managing agricultural phosphorus (P) to balance food security and water quality priorities is a massive challenge fraught with uncertainty and competing interests. Throughout his career, Andrew Sharpley addressed this challenge by building our understanding of the fundamental principles and processes that control P behavior in agricultural ...
D. N. Flaten, P. J. A. Kleinman, D. L. Osmond   +2 more
wiley   +1 more source

Soil Bulk Density, Aggregates, Carbon Stabilization, Nutrients and Vegetation Traits as Affected by Manure Gradients Regimes Under Alpine Meadows of Qinghai-Tibetan Plateau Ecosystem. [PDF]

Plants (Basel)
Sadiq M, Rahim N, Tahir MM, Shaheen A, Ran F, Chen G, Bai X.   +6 more
europepmc   +1 more source

A review of the development and implementation of the critical source area concept: A reflection of Andrew Sharpley's role in improving water quality

Journal of Environmental Quality, EarlyView.
Abstract Critical source areas (CSAs) are small areas of a field, farm, or catchment that account for most contaminant loss by having both a high contaminant availability and transport potential. Most work on CSAs has focused on phosphorus (P), largely through the work in the 1990s initiated by Dr.
Richard McDowell, Peter J. A. Kleinman, Philip Haygarth, Joshua M. McGrath, Douglas Smith, Louise Heathwaite, Antti Iho, Oscar Schoumans, David Nash   +8 more
wiley   +1 more source

Productivity, soil fertility and enzyme activity of mixed forage grasslands improved by alfalfa and nitrogen addition in Horqin Sandy Land, China. [PDF]

Sci Rep
Yu T, Hao F, Gao K, Xiong M, An H.
europepmc   +1 more source

Phosphorus lability across diverse agricultural contexts with legacy sources

Journal of Environmental Quality, EarlyView.
Abstract The buffering of phosphorus (P) in the landscape delays management outcomes for water quality. If stored in labile form (readily exchangeable and bioavailable), P may readily pollute waters. We studied labile P and its intensity for >600 soils and sediments across seven study locations in the United States. Stocks of labile P were large enough
Zachary P. Simpson, Joshua Mott, Kyle Elkin, Anthony Buda, Joshua Faulkner, Cathleen Hapeman, Greg McCarty, Maryam Foroughi, W. Dean Hively, Kevin King, Will Osterholz, Chad Penn, Mark Williams, Lindsey Witthaus, Martin Locke, Ethan Pawlowski, Brent Dalzell, Gary Feyereisen, Christine Dolph, David Bjorneberg, Kossi Nouwakpo, Christopher W. Rogers, Isis Scott, Carl H. Bolster, Lisa Duriancik, Peter J. A. Kleinman   +25 more
wiley   +1 more source

Plant height is the main factor driving forage yield of <i>Poa</i> species under different row spacings and seeding rates in the Qilian Mountains. [PDF]

Front Plant Sci
Wang X, Wang J, Li E, Guo Y, Li W.
europepmc   +1 more source