Results 161 to 170 of about 309,187 (353)

Chemical fertilizers could be completely replaced by manure to maintain high maize yield and soil organic carbon (SOC) when SOC reaches a threshold in the Northeast China Plain

open access: yesJournal of Integrative Agriculture, 2017
The combined use of chemical and organic fertilizers is considered a good method to sustain high crop yield and enhance soil organic carbon (SOC), but it is still unclear when and to what extent chemical fertilizers could be replaced by organic ...
Hui LI   +6 more
doaj  

Pathogenic Escherichia coli Virulome in Top Soil Improvers and Irrigation Waters Devoted to Leafy Vegetable Production: Hazard Assessment From a Case Study in Italy

open access: yesFood Safety and Health, EarlyView.
Escherichia coli pathotype virulotyping to assess if combined top soil improver and water inputs would potentially lead to hybrid strains with shuffled virulence features in ready‐to‐eat vegetables. This is to support the transition toward safe and sustainable food production systems.
Giorgia Barbieri   +9 more
wiley   +1 more source

Linking Farm and Market Models to Analyse the Effects of the EU Nitrate Directive for the Dutch Agricultural Sector [PDF]

open access: yes
This paper presents a modeling system that can be used to analyze the trade off between economy and environment. It takes into account manure policy, farm structure and manure surpluses at farm level as well as the economic effects of manure surpluses at
Helming, John F.M.   +3 more
core   +1 more source

Gender differential in choices of crop variety traits and climate‐smart cropping systems: Insights from sorghum and millet farmers in drought‐prone areas of Malawi

open access: yesPLANTS, PEOPLE, PLANET, EarlyView., 2023
There has been limited research regarding the roles of gender and social networks in climate adaptation in African agriculture. The study examines how gender and climate risk awareness influence sorghum and pearl millet farmers' varietal trait and cropping system choices in Malawi.
Sibongile Zimba   +4 more
wiley   +1 more source

Tools for managing manure nutrients [PDF]

open access: yes, 2002
Manures are a valuable source of nutrients (and organic matter), and can be seen as a method of transferring nutrients around the farm (for homeproduced manures) or as a method of importing fertility (imported manures or composts). Good manure management
Philipps, Lois   +2 more
core  

The effect of olive pomace biochar on some characteristics of Vertisols

open access: yesIrrigation and Drainage, EarlyView.
Abstract The aim of this study was to investigate the effect of olive pomace biochar (OB) application on the mechanical, physical and chemical properties of Vertisols. For this study, soil samples classified as Vertisol in Çanakkale, where internal drainage and surface ponding are major problems, were used.
Remzi İlay   +4 more
wiley   +1 more source

Effects of urea fertilizer and nettle extract on the biochemical and morphological characteristics of ornamental peppers (Capsicum frutescens L.) under deficit irrigation conditions

open access: yesIrrigation and Drainage, EarlyView.
Abstract The aim of this study was to determine the effects of nettle extract, urea fertilizer and deficit irrigation on the biochemical and morphological characteristics of ornamental peppers. The study consisted of two irrigation (I) treatments (100% irrigation (I100) and 50% irrigation (I50)) and four fertilizer treatment groups (urea fertilizer: U;
M. Keten Gokkus
wiley   +1 more source

Modeling ammonia emissions from dairy production systems in the United States [PDF]

open access: yes, 2015
Dairy production systems are hot spots of ammonia (NH3) emission. However, there remains large uncertainty in quantifying and mitigating NH3 emissions from dairy farms due to the lack of both long-term field measurements and reliable methods for ...
Deng, Jia, Li, Changsheng, Wang, Ying
core   +2 more sources

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