Results 181 to 190 of about 42,413 (340)

Effect of organic manures and varieties on growth, yield and quality traits of garlic (Allium sativum L.) [PDF]

open access: green, 2018
Usman Ali   +5 more
openalex  

Paradigm Shifts in Surgery: Implications for Surgical Practice, Education, and Professional Identity

open access: yes
World Journal of Surgery, EarlyView.
Hanoch Kashtan   +4 more
wiley   +1 more source

Size‐based regulation and water quality: Evidence from the Iowa hog industry

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract The growing prevalence of animal feeding operations (AFOs) in the United States raises concerns among the public and regulators about their impact on local environmental quality. By linking historical regulatory records of AFOs in Iowa to downstream surface water pollution monitors, this paper studies the effects of the 2003 Clean Water Act ...
Chen‐Ti Chen   +3 more
wiley   +1 more source

Optimal timing and rate of nitrogen fertilizer use: An integrated network technology approach

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Both the rate and timing of crop fertilizer application play an important role in agricultural productivity. However, inefficient fertilizer use can significantly increase production costs, water pollution, and greenhouse gas emissions. To capture both the spatial heterogeneity and dynamic nature of this problem, we develop a multi‐stage ...
Tihomir Ancev, Moriah Bostian
wiley   +1 more source

Information flow and the adoption of soil‐improving and water conservation measures, and household welfare: Insights from a randomized controlled trial in Uganda

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Extension services are designed to facilitate the flow of information from researchers to farmers. However, information failures continue to impede the diffusion of soil‐improving and water conservation technologies in Sub‐Saharan African countries. We use a randomized controlled trial (RCT) to examine the impact of an extension‐based campaign
Esther Gloria Mbabazi   +3 more
wiley   +1 more source

High Solid Anaerobic Co-digestion of Household Organic Waste with Cow Manure

open access: diamond, 2015
Nuruljannah Khairuddin   +4 more
openalex   +1 more source

Phantasmic Encounters in the Arctic: Haunting Materialities Beyond the Ghosts of War

open access: yesAnthropology of Consciousness, EarlyView.
ABSTRACT In the vast north, ghostly experiences are common for locals and outsiders alike. Here, we explore how cultural‐natural attributes, like remoteness and extreme seasonal variation, compound experiences of the haunting in visceral ways. This provides the Arctic region with an unusually pronounced baseline of other‐than‐human agency, which in the
Aki Hakonen, Oula Seitsonen
wiley   +1 more source

Organic chemicals on citrus: Stimulation of tree growth resulted from addition of certain pure compounds to nutrient cultures in glasshouse studies

open access: yesCalifornia Agriculture, 1957
Organic manures or cover crops in southern California citrus orchards have—to a large extent—been abandoned. Scarcity, increased costs, rapid disappearance of organic matter in many soils, and a lack of strong evidence as to its actual benefit to the ...
J Brusca, A Haas
doaj  

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