Results 201 to 210 of about 481,349 (388)

Testing Wisconsin P index assessments across cropping systems

Journal of Environmental Quality, EarlyView.
Abstract Managing agricultural runoff phosphorus (P) often requires understanding management effects on both dissolved P (DP) and particulate (sediment‐bound) P (PP). The Wisconsin P index (WPI) allows producers to assess land management effects on runoff P by estimating annual P losses in mass per unit area.
Laura Good, Hava Blair, Jessica Sherman, Eric Young   +3 more
wiley   +1 more source

Impact of the CAP reform on small-scale grassland regions [PDF]

This paper presents a regional land-use model that conceives farms as independent agents aiming at maximum individual utility. Farm agents optimize their utility with the help of a linear-programming algorithm that takes into account natural, economic ...
Kantelhardt, Jochen, Kapfer, Martin, Roeder, Norbert   +2 more
core   +1 more source

Utility of near‐surface phenology in estimating productivity and evapotranspiration across diverse ecosystems

Journal of Environmental Quality, EarlyView.
Abstract Agroecosystems, which include row crops, pasture, and grass and shrub grazing lands, are sensitive to changes in management, weather, and genetics. To better understand how these systems are responding to changes, we need to improve monitoring and modeling carbon and water dynamics.
Sander O. Denham, Dawn M. Browning, Adam P. Schreiner‐McGraw, Russell L. Scott, Brent Dalzell, Gerald N. Flerchinger, Patrick E. Clark, Sarah Goslee, David L. Hoover, Marcy Litvak, Marguerite Maritz, David Huggins, Claire L. Phillips, John Prueger, Joe Alfieri, Rosvel Bracho, Maria Silveira, Craig W. Whippo   +17 more
wiley   +1 more source

Selecting performance indicators for farms and ranches engaged in collaborative agroecosystem research

Journal of Environmental Quality, EarlyView.
Abstract The pace of global change complicates the assessment of the outcomes of agricultural management, hindering decision‐making by producers, researchers, and consumers. The Long‐Term Agroecosystem Research Network (LTAR) is in a unique position to advance monitoring to inform decision‐making.
Megan Donovan, Sheri Spiegal, Nicole Kaplan, David Archer, Alycia Bean, Sarah E. J. Beebout, Brandon T. Bestelmeyer, Patrick Clark, Alia DeLong, Ann‐Marie Fortuna, Claire N. Friedrichsen, David L. Hoover, David Huggins, Peter J. A. Kleinman, Matthew M. McIntosh, Chris S. Renschler, John Ritten, Douglas R. Smith, Nicholas P. Webb, J. D. Wulfhorst   +19 more
wiley   +1 more source

Erratum to: Grassland of Great Britain [PDF]

, 1936

openalex   +1 more source

Greenhouse gas emissions altered by the introduction of a year‐long fallow to continuous rice systems

Journal of Environmental Quality, EarlyView.
Abstract Rice (Oryza sativa L.) production in California follows a norm of mono‐cropping with little to no rotations or fallows. Both winter droughts, which lead to water restrictions, and spring rains, which inhibit field machinery operations, have resulted in increased fallow frequencies, where no crop is grown during the summer growing season.
Zhenglin Zhang, Tommy L. D. Fenster, Bruce A. Linquist   +2 more
wiley   +1 more source

Impacts of land use on soil carbon, nitrogen, and phosphorus in the Eastern Qilian Mountains. [PDF]

PLoS One
Xu S, Wang C, Zhou J, Shan H, Li B, Shi W, Zhang D, Zhu G, Yang X, Wei W, Ma H.   +10 more
europepmc   +1 more source

Study Course in Grassland Survey Methods [PDF]

, 1951
Murray Gerstenhaber, D. Cochran, Ilse Novak   +2 more
openalex   +1 more source

Deviation From the Regression of Yield on Nitrogen Fertiliser Rate as a Tool for Detecting Fraud in Organic Banana Production

Journal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Background and aims Bananas are demanding in nitrogen (N) input; therefore, there is a temptation for organic farmers for using synthetic N fertilisers, which are not allowed under organic standards. The aim of our study was to develop a tool that identifies high banana yields obtained with suspiciously low organic N input.
Albrecht Benzing, Hans‐Peter Piepho, Ryan Orr, Juan‐Carlos Ullauri   +3 more
wiley   +1 more source

Survey and diversity assessment of key insect communities in different grassland types in Inner Mongolia. [PDF]

Sci Rep
Li Y, Ji L, Bai X.
europepmc   +1 more source