Results 91 to 100 of about 15,250 (254)
D4_2-D4_5-D3_2.Yearly report of crops yield and quality data as influenced by soil management 2019 [PDF]
, 2019 Yearly reports on crops yield and quality as influenced by soil management (2018 ...
Dzhuvinov, Vasiliy +10 more
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1166. Helianthus occidentalis Riddell
Curtis's Botanical Magazine, EarlyView.Summary Helianthus occidentalis Riddell (Compositae: Heliantheae: Helianthinae) is described and illustrated. The species' placement in the genus is commented on, as are the differences in infrageneric placement of the other species Heiser originally grouped H. occidentalis with.
Nicholas Hind, Christabel King
wiley +1 more source
Curtis's Botanical Magazine, EarlyView.Summary Eupatorium maculatum L. (Compositae: Eupatorieae: Eupatoriinae) is described and illustrated. Notes are provided for the species’ cultivation, propagation, likely pests and diseases, and availability, along with useful contrasting planting in a prairie garden or specimen border planting.
Nicholas Hind, Joanna Langhorne
wiley +1 more source
BLACK POLYPROPYLENE MULCH TEXTILE IN ORGANIC AGRICULTURE [PDF]
, 2010 Black polyethylene mulch is used for weed control in a range of crops under the organic system. The use of black polypropylene mulch is usually restricted to perennial crops.
Dvorak, Petr +5 more
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Arthropod conservation in roadside verges: Unmown refuges outperform mowing equipment changes
Insect Conservation and Diversity, EarlyView.While roadside verges might have potential as connecting corridors for grassland habitats and their inhabitants, roadside mowing negatively impacts grassland arthropod densities. In contrast to unmown refuges, all mowing techniques harmed grassland arthropods, with no significant differences between mowing equipment.
Johanna L. Berger +3 more
wiley +1 more source
Journal of Applied Entomology, EarlyView.ABSTRACT Biological control in high tunnel systems can be optimised by matching predator species to seasonal environmental conditions. We evaluated the predatory efficacy of syrphid flies (Toxomerus marginatus (Say), Eupeodes americanus (Fabricius)) and lacewings (Chrysoperla carnea (Stephens), Chrysoperla rufilabris (Burmeister)) across laboratory ...
Allison Zablah +3 more
wiley +1 more source
Studies on exploiting semiochemicals for pest management in organic farming systems OF0188 [PDF]
, 2000 This study addresses the extent to which pest management systems can exploit semiochemicals (defined below) in ways acceptable to organic farming, and determines where the science base needs to be expanded to accommodate specific problems arising in an ...
Pickett, JA +4 more
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Opportunities and constraints for improved vegetable production technology in tropical Asia [PDF]
, 2009 A description of the characteristics of vegetable production in tropical Asia is presented. The description is followed by a discussion of the opportunities and constraints of improved non-seed vegetable production technologies.
Everaarts, A.P., Putter, H., de
core +3 more sources
Embedded Pesticide Use: Exploring the Pesticide‐Land Nexus
Journal of Agrarian Change, EarlyView.ABSTRACT Since the turn of the century, global land grabs, farmland financialization and land‐based food sovereignty movements have returned the land question to the heart of agrarian studies. Meanwhile, abiding interest in pesticides has been reanimated in the face of changes in production, regulation and knowledge of toxicity.
Julie Guthman, Marion Werner
wiley +1 more source