Results 131 to 140 of about 910,469 (307)
American Journal of Agricultural Economics, EarlyView.Abstract While multiple factors explain low adoption rates of improved varieties by small‐scale farmers in sub‐Saharan Africa, a key supply‐side constraint is the limited availability of seed embodying new traits in the volume, quality, price, and timeliness required by farmers. This constraint is partly attributable to classical failures in the market
Dawit Mekonnen +5 more
wiley +1 more source
Climate change and perennial crop production: Evidence of yield impact and adaptation in California
American Journal of Agricultural Economics, EarlyView.Abstract Perennial crops are economically important. They contribute to food security, providing essential nutrients that are often lacking in annual crops, and provide additional environmental benefits compared with annual crops. Despite their importance, empirical research on the impacts of climate change and adaptation on perennial crops remains ...
Yuanyuan Wen +2 more
wiley +1 more source
Innovative approaches to agricultural water use for improving food security in Sub- Saharan Africa [PDF]
Irrigated farming / Water use / Food security / Water resources / Water supply / Rain / Water harvesting / Wetlands / Food production / Groundwater management / Urbanization / Recycling / Effluents / Waste waters / Water reuse / Water demand / Crop ...
Inocencio, A., Merrey, D. J., Sally, H.
core
American Journal of Botany, EarlyView.Abstract Premise Insect herbivory is a major biotic factor shaping plant populations and driving the evolution of defensive traits. Polyploidy (whole‐genome duplication) often induces substantial phenotypic and genotypic changes that may affect species interactions, including herbivory.
Antonio J. Manzaneda +4 more
wiley +1 more source
An analytic study of nonsteady two-phase laminar boundary layer around an airfoil [PDF]
Recently, NASA, FAA, and other organizations have focused their attention upon the possible effects of rain on airfoil performance. Rhode carried out early experiments and concluded that the rain impacting the aircraft increased the drag.
Hsu, Yu-Kao
core +1 more source
American Journal of Botany, EarlyView.Abstract Premise Flower color, a key trait influencing plant–pollinator interactions, may be influenced by abiotic factors such as soil. We investigated association between pollinators, soil characteristics, and flower color variations in Digitalis purpurea across native populations in Sweden and introduced populations in Bolivia.
Sissi Lozada‐Gobilard +6 more
wiley +1 more source
Lubang Resapan Biopori Sebuah Strategi Untuk Memanfaatkan Air Hujan Dalam Menjaga Kelestarian Sumber Air Di Kota Bandar Lampung [PDF]
, 2014 The basic principles of water conservation is to prevent the water lost as surface streams and save them as fully as possible into the body of the Earth.
Mashabi, M. (Mashabi) +2 more
core +1 more source
Artificial Intelligence (AI) and Agribusiness: From Automation to Augmentation in a Global Context
Agribusiness, EarlyView.
Alexis H. Villacis
wiley +1 more source
Heavy rain effects on airplane performance [PDF]
The objective is to determine if the aerodynamic characteristics of an airplane are altered while flying in the rain. Wind-tunnel tests conducted at the NASA Langley Research Center (LaRC) have shown losses in maximum lift, reduction in stall angle, and ...
Bezos, G. M. +4 more
core +1 more source
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT A specific microporous KOH/activated‐biochar (K/BC) was produced from a blend of date stones (DS) and walnut shells (WS) and used in the adsorptive desulfurization (ADS) of two types of model fuel DBT/n‐hexane (S‐hex), DBT/cyclohexane (S‐cyclohex).
Ameen L. Alyawer +4 more
wiley +1 more source