Results 201 to 210 of about 150,783 (263)
Permafrost and Periglacial Processes, EarlyView.ABSTRACT High‐resolution mapping of permafrost in ecologically and topographically complex landscapes remains a major challenge. Existing models of permafrost extent often rely on equilibrium assumptions, which can misrepresent conditions in regions where permafrost persists largely due to ecosystem structure.
Philip P. Bonnaventure +3 more
wiley +1 more source
The Age and Origin of Block Deposits in the Victorian Alps, Australia
Permafrost and Periglacial Processes, EarlyView.ABSTRACT Large periglacial block deposits are found in the mountains of southeastern Australia. Despite their widespread distribution, their mode of formation and age are poorly understood. These landforms hold considerable potential to shed light on the nature of cooling during glacial periods. In this paper we present a new study of block deposits in
Timothy T. Barrows +4 more
wiley +1 more source
PLANTS, PEOPLE, PLANET, EarlyView.Biodiversity loss threatens ecosystem services and human well‐being. Understanding the extent and causes of changes in biodiversity over time can help protect species and their habitats. Herbaria house carefully documented and curated specimens collected by generations of botanists.
Gabriel F. Ulrich +4 more
wiley +1 more source
Implementing potential climate‐smart practices through diverse partnerships
PLANTS, PEOPLE, PLANET, EarlyView.Climate change is one of the greatest threats to society, negatively impacting agriculture and crop yields. Globally, agriculture is also one of the largest greenhouse gas (GHG) emitting sectors. Climate‐smart practices that are developed through diverse partnerships with scientists and practitioners are needed to decrease GHG emissions. We implemented
Kristina J. Bartowitz +6 more
wiley +1 more source
PLANTS, PEOPLE, PLANET, EarlyView.Major staple crops are often introduced and cultivated in monocultures. Yams are staple crops native to the majority of low‐ and middle‐income countries and can provide an alternative to introduced staple crops. We showed that lesser yams cultivated together with teak trees (planted at the border of the farm) are more profitable than lesser yam ...
Budiadi +5 more
wiley +1 more source
Development and adoption of Kernza—A perennial grain crop for sustainable agriculture
PLANTS, PEOPLE, PLANET, EarlyView.Annual cereal grains account for ~50% of human food calories, but cultivation of these crops has resulted in major environmental and social issues worldwide. For nearly three decades, researchers have been breeding intermediate wheatgrass—a perennial cool‐season grass—to serve as the world's first commercial‐scale perennial grain crop to improve ...
Jessica L. Gutknecht +15 more
wiley +1 more source
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2023
Tillage is the mechanical manipulation of the soil to modify or ameliorate its physical condition with regard to plant growth for human and animal food production. Tillage operations include incorporation of fertilizers or crop amendments, seedbed preparation, seeding, and post-emergent cultivation for weed control.
Lamandé, Mathieu; id_orcid 0000-0003-4211-9395 +2 more
openaire +2 more sources
Tillage is the mechanical manipulation of the soil to modify or ameliorate its physical condition with regard to plant growth for human and animal food production. Tillage operations include incorporation of fertilizers or crop amendments, seedbed preparation, seeding, and post-emergent cultivation for weed control.
Lamandé, Mathieu; id_orcid 0000-0003-4211-9395 +2 more
openaire +2 more sources
Tillage (plowing, subsoiling and no-tillage) effect on soil erodibility
1995The effect of three different soil tillage systems (plow, subsoiling and no-tillage) on soil losses by runoff and “splash”, was determined in situ using a rain simulator. These determinations were carried out in a field experiment under the Project “Soil Tillage in Dry and Irrigated Farming” (EU Program AGRIMED), installed in a Cambisol from granite ...
F. C. Barreiros +2 more
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Influence of tillage on soil aeration
Soil and Tillage Research, 1986AbstractAir‐ porosity of soil can be altered by tillage. Therefore, it plays a significant role in protecting plants against deficient aeration during critical periods of their life cycle. The effect of five tillage treatments (mouldboard, cultivator, rotary tiller, wedge and zero tillage) and three mulch treatments (paddy straw, rice husk and bare) on
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2003
Soil structure degradation (SSD), often called soil compaction, is ubiquitous to cropping and grazing lands, worldwide. With soil erosion, compaction is regarded as the most serious environmental problem caused by conventional agriculture. Examples span all soils, small to large farms, developed and developing nations, subsistence to corporate farming ...
openaire +1 more source
Soil structure degradation (SSD), often called soil compaction, is ubiquitous to cropping and grazing lands, worldwide. With soil erosion, compaction is regarded as the most serious environmental problem caused by conventional agriculture. Examples span all soils, small to large farms, developed and developing nations, subsistence to corporate farming ...
openaire +1 more source