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The weed flora of the unsprayed field margins of 19 fields in arable crop rotations was studied in Denmark in 1988-92. The farmer determined the crop ...
Read moreBiological control is a key ecosystem service in arable lands, but its effectiveness varies according to environmental and biotic contexts. Cascading ...
Read moreInterference between individuals was investigated in monocultures and mixtures of 3 weed species, Bidens chinensis, Eleutheranthera ruderalis and Trid...
Read moreAchenes of Polygonum lapathifolium, P. pensylvanicum and P. persicaria are commonly eaten by cottontail rabbits in southern Ontario. Feeding experimen...
Read moreObservations were made on sugar beet fields in Cambridgeshire and West Suffolk, UK, in April-May 1977 and 1978 from emergence of seedlings until they ...
Read moreTriazine-susceptible and resistant biotypes of S. vulgaris, collected from the same field in Salinas, California, were compared to determine whether r...
Read moreThis report presents the results of a comprehensive survey conducted in summer 2021 to assess the status of Zostera eelgrass populations in the Stour,...
Read moreFarmers' perceptions of the extent of bracken (Pteridium aquilinum) encroachment on upland farms was summarized from a postal questionnaire done in 19...
Read moreThe use of E. stagnina, the major component of the emergent vegetation of Lake Kainji, is described. A simple model of the colonization potential of E...
Read moreThe effect of copper sulphate as an algicide is reviewed briefly. In experiments in which Anabaena flos-aquae and Scenedesmus quadricauda were exposed...
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