Results 81 to 90 of about 211,730 (308)

Advancing European Plant Variety Registration: Data‐Driven Insights and Stakeholder Perspectives

Agribusiness, EarlyView.
ABSTRACT Efficient plant variety registration is crucial for fostering innovation in the European Union, yet the current regulatory framework is complex and faces calls for reform. This study provides data‐driven evidence to inform the ongoing legislative debate by employing a mixed‐methods approach.
Sergio Urioste Daza, Ibtissem Taghouti, José María Gil Roig   +2 more
wiley   +1 more source

Documentary sources to investigate multidecadal variability of droughts

Cuadernos de Investigación Geográfica, 2016
Droughts are probably the natural hazard with the highest socioeconomic impact. Simultaneously, they are a very complex phenomenon; they are triggered by a diversity of physical factors and occur at a variety of time scales.
F. Dominguez-Castro, R. García-Herrera
doaj   +1 more source

Vegetation response to extreme climate events on the Mongolian Plateau from 2000 to 2010 [PDF]

, 2013
Climate change has led to more frequent extreme winters (aka, dzud) and summer droughts on the Mongolian Plateau during the last decade. Among these events, the 2000–2002 combined summer drought–dzud and 2010 dzud were the most severe on vegetation.
Batkhishig, Ochirbat, Becker, Richard, Chen, Jiquan, Ganguly, Sangram, John, Ranjeet, Ou-Yang, Zu-Tao, Samanta, Arindam, Xiao, Jingfeng, Yuan, Wenping   +8 more
core   +3 more sources

Uncovering renewable energy policy impact channels on land values, the local farm structure, and farmland heterogeneity

American Journal of Agricultural Economics, EarlyView.
Abstract Germany's Renewable Energy Sources Act (REA), enacted in 2000 and subsequently amended, subsidized national renewable energy production with fixed feed‐in tariffs for renewable energy sources (RE) from wind, solar, and biogas. Empirical studies suggest that the policy was creating windfall effects for landowners and attribute farmland use ...
Lars Isenhardt, Stefan Seifert, Saskia Wolff, Tobia Lakes, Marten Graubner, Axel Werwatz, Silke Hüttel   +6 more
wiley   +1 more source

How cold is too cold? A theoretical analysis of the optimal trigger for index insurance for frost damage to crops

American Journal of Agricultural Economics, EarlyView.
Abstract Crop insurance is undoubtedly an extremely valuable element in protecting agricultural businesses, but in many cases standard indemnity‐based products have had very low uptake due to high transaction costs elevating premiums to unaffordable levels.
Amogh Prakasha Kumar, Laura Meriluoto, Richard Watt   +2 more
wiley   +1 more source

Latihan mengajar : Keberkesanannya terhadap pelajar Diploma Kejuruteraan serta Pendidikan di KUiTTHO (Kolej Universiti Teknologi Tun Hussein Onn) menurut persepsi pelajar [PDF]

, 2003
Kajian yang dijaiankan adaiah bertajuk "Latihan Mengajar : Kebersanannya Terhadap Pelajar Diploma Kejuruteraan berserta Pendidikan di KUiTTHO (Kolej Universiti Teknologi Tun Hussein Onn Menurut Persepsi Pelajar.
Jamian, Yuhani
core  

Old World megadroughts and pluvials during the Common Era [PDF]

, 2015
Climate model projections suggest widespread drying in the Mediterranean Basin and wetting in Fennoscandia in the coming decades largely as a consequence of greenhouse gas forcing of climate.
an der Schrier, Gerard v, Andreu-Hayles, Laia, Baillie, Mike, Baittinger, Claudia, Bleicher, Niels, Bonde, Niels, Briffa, Keith R., Brown, David, Büntgen, Ulf, Carrer, Marco, Cook, Edward R., Cooper, Richard, Dittmar, Christoph, Esper, Jan, Frank, David, Griggs, Carol, Gunnarson, Björn, Gutierrez, Emilia, Günther, Björn, Haneca, Kristof, Helama, Samuli, Herzig, Franz, Heussner, Karl-Uwe, Hofmann, Jutta, Janda, Pavel, Kontic, Raymond, Krusic, Paul J., Kushnir, Yochanan, Kyncl, Tomáš, Köse, Nesibe, Levaniv c, Tom, Linderholm, Hans, Manning, Sturt, Melvin, Thomas M., Miles, Daniel, Neuwirth, Burkhard, Nicolussi, Kurt, Nola, Paola, Panayotov, Momchil, Popa, Ionel, Rothe, Andreas, School of Earth & Environmental Sciences, Scottish Oceans Institute, Seager, Richard, Seftigen, Kristina, Seim, Andrea, Svarva, Helene, Svoboda, Miroslav, Tegel, Willy, Thun, Terje, Timonen, Mauri, Touchan, Ramzi, Trotsiuk, Volodymyr, Trouet, Valerie, Walder, Felix, Wazny, Tomasz, Wilson, Rob, Zang, Christian, Čufar, Katarina   +58 more
core   +2 more sources

Seeds of change: The impact of Ethiopia's direct seed marketing approach on smallholders' seed purchases and productivity

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, Gashaw T. Abate, Seid Yimam, Rui Benfica, David J. Spielman, Frank Place   +5 more
wiley   +1 more source

Intercomparison and Uncertainty Assessment of Nine Evapotranspiration Estimates Over South America [PDF]

, 2018
This study examines the uncertainties and the representations of anomalies of a set of evapotranspiration products over climatologically distinct regions of South America. The products, coming from land surface models, reanalysis, and remote sensing, are
Ruscica, Romina, Sörensson, Anna
core   +1 more source

Drivers of insect herbivory resistance and tolerance to plant damage in the Brachypodium distachyon species complex

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, Luisa M. Martínez, Ana Fernández‐Ocaña, Teresa Salido, Pedro J. Rey   +4 more
wiley   +1 more source