Results 151 to 160 of about 1,379,102 (247)

Accounting for animal health in efficiency analysis: An application to Swedish dairy farms

American Journal of Agricultural Economics, EarlyView.
Abstract Poor animal health is a central concern in modern livestock production. Despite the necessity to incorporate animal health in efficiency analysis, the theoretical and empirical developments are limited on this subject. This article appropriately characterizes the axiomatic properties of animal health within a production framework.
Frederic Ang, Enoch Owusu‐Sekyere, Karin Alvåsen, Helena Hansson   +3 more
wiley   +1 more source

Weathering of plastics : testing to mirror real life performance /

, 1999
This book presents findings and opinions of professionals in material degradation testing. The aim is to improve testing methods and procedures. Materials are presented to show that photochemical degradation rate depends on a combination of environmental
Plastics Design Library., Society of Plastics Engineers., Wypych, George.   +2 more
core  

Environmental selection shapes the ecological cascade of biofilm assembly and functional gene abundance in sandstone weathering. [PDF]

Biofilm
Jia P, Zhang W, Zhang G, Pei W, Wu F, He Z, Chen T, Liu G.   +7 more
europepmc   +1 more source

The role of venture‐financed startups in innovation for US agriculture

American Journal of Agricultural Economics, EarlyView.
Abstract To evaluate the role played by startup companies in the innovation ecosystem of US agriculture, we compile a unique dataset of 6024 new entrants founded 1987–2019 that details their financing lifecycles, annual economic performance, and patenting activities.
Gregory D. Graff, Charles A. W. de Grazia, Nicholas E. Rada   +2 more
wiley   +1 more source

Decoupling of Neogene seawater lithium isotopes from uplift-driven weathering. [PDF]

Nat Commun
Yang Y, Liu Y, Pogge von Strandmann PAE, Jin Z, Galy A, Ye C, Weldeghebriel MF, Yan Z, He J, Gou LF, Deng L, Zhang W, Koutsodendris A, Pross J, Fang X.   +14 more
europepmc   +1 more source

Crop insurance and irrigation behavior: The conditional role of pumping costs

American Journal of Agricultural Economics, EarlyView.
Abstract Excessive water use for irrigation can accelerate the depletion of water resources, undermining agriculture's resilience to weather‐related shocks. Understanding how farmers make water use decisions is essential for developing effective water management policies.
Sungmin Cheu, Molly Sears
wiley   +1 more source

Carbonyl Index Variability and Trends in Marine Meso-Microplastics: Implications of Instrumental Effects and Spectral Preprocessing. [PDF]

Environ Sci Technol
Adamopoulou A, Catarino AI, Pitta E, Miranda MN, Cowger W, Suaria G, Paluselli A, Bountas G, Zeri C.   +8 more
europepmc   +1 more source

Improving access to new technologies: An experiment with Kenyan input sellers

American Journal of Agricultural Economics, EarlyView.
Abstract Agrodealers play a critical role in rural economies, selling essential inputs for agricultural production, stocking new products, and providing farmers with technical advice. However, uncertainty can discourage them from stocking newer, less familiar products, limiting the availability of innovative technologies and leading to market failures ...
Sarah W. Kariuki, Francisca N. Muteti, Annemie Maertens, Michael Ndegwa, Hope Michelson, Mercy Mbugua, Jason Donovan   +6 more
wiley   +1 more source

Structural and Functional Stability of Strontium Aluminate-Based Luminescent Composites After 15 Years of Natural Weathering (Indoors and Outdoors). [PDF]

Polymers (Basel)
Rodríguez-González MÁ, Díaz-Rodríguez N, Rubio-Carrizo M, Rubio F.   +3 more
europepmc   +1 more source

Risk management externalities in agrifood supply chains

American Journal of Agricultural Economics, EarlyView.
Abstract Firms may under‐ or over‐invest in risk management from the social planner's perspective, resulting in a negative externality on other economic agents in the supply chain. The externality of risk management is particularly relevant for agrifood supply chains, which frequently experience disruptions and play a primary role in preventing major ...
Jeffrey Hadachek, Meilin Ma
wiley   +1 more source