Results 81 to 90 of about 126,693 (272)
Modeling carbon biogeochemistry in agricultural soils [PDF]
, 1994 An existing model of C and N dynamics in soils was supplemented with a plant growth submodel and cropping practice routines (fertilization, irrigation, tillage, crop rotation, and manure amendments) to study the biogeochemistry of soil carbon in arable ...
Frolking, Steve +2 more
core +2 more sources
Contemporary Accounting Research, EarlyView.Abstract Although the community of tax professionals is a key actor in the tax realm, its nature continues to remain elusive in many countries. Using a qualitatively driven mixed‐methods approach that integrates the insights obtained from in‐depth interviews and the results of a survey of practitioners, we examine the Canadian tax field.
Till‐Arne Hahn, Darlene Himick
wiley +1 more source
Designing crop rotations in organic and low-input agriculture: Evaluation of pre-crop effects [PDF]
, 2007 In this overview, the preceding effects of crop pairs are classified by establishing schematic diagrams for use in crop rotation planning in low external input or organic agricultural systems.
Kolbe, Hartmut
core
Market regulation and productivity: The case of the Canadian Wheat Board
American Journal of Agricultural Economics, EarlyView.Abstract Changes to regulatory environments influence firm‐level incentives, which can move the productivity frontier or reposition firms within an existing frontier. Estimating causal effects of policy changes requires a credible counterfactual for productivity in the absence of policy change.
Ryan Cardwell, Pascal L. Ghazalian
wiley +1 more source
Milkweed Production Trials [PDF]
, 2017 Milkweed (Asclepias syriaca) is a plant native to North America and has recently become the focus of conservation programs as milkweed is the sole food source for the Monarch butterfly larvae.
Darby, Heather +4 more
core +1 more source
American Journal of Agricultural Economics, EarlyView.Abstract Agricultural subsidies can be an effective policy tool to enhance soil organic carbon sequestration. This paper assesses the effectiveness of a second‐best hypothetical policy which subsidizes additional canola hectares optimally for each soil zone in Saskatchewan in an effort to increase soil organic carbon.
Devin A. Serfas
wiley +1 more source
Advantages and disadvantages of different break crops in organic grass/arable rotations (OF0143) [PDF]
, 2002 This is the final report of Defra project OF0143. Choice of break crops to grow in addition to cereals and the fertility building phase is crucial to the agronomic and economic success of organic arable rotations.
Anon
core
American Journal of Political Science, EarlyView.Abstract Why and when do cities vote for the left? The emergence of the urban–rural divide in the United States in the 1930s is inconsistent with canonical theories of cleavages. This paper introduces an explanation: agglomeration effects. The provision of government services is more efficient in urban environments because of nonrivalries, economies of
Theo Serlin
wiley +1 more source
Ciência Rural, 1995 Com o objetivo de estudar os efeitos de diferentes níveis de aveia preta em rações para suínos, foi realizado no Centro de Treinamento da COTRIJUÍ, Augusto Pestana, RS, um experimento com 40 animais da raça Wessex, com peso médio inicial de 26,5kg ...
Marcelo Soares +4 more
doaj +1 more source