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There is increasing interest in the use of food supplements in agriculture to enhance the performance of parasitoids as part of conservation biologica...
Read moreAphid clones that feed on the same plant species for many generations often develop biotypes specifically adapted to the particular host-plant. Such b...
Read moreSwedes cv. Victory and sugar beet cv. Klein E were grown at 2 sites in S.E. England and protected by a N.-S. screen with 50% permeability; the height ...
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 moreSeeds of calabrese, carrot, onion and sugar beet were sown in the field on successive occasions. Soil integral impedance (work done in penetrating the...
Read more1. Popular campaigns such as No Mow May seek to encourage early-season forage resource for pollinators in urban green spaces. Land managers need to ba...
Read morePreviously published literature on the population dynamics of a common arable weed, Chenopodium album, and its interactions with an arable crop, sugar...
Read moreInvestigations were made of arthropods in a silty, poorly drained, gray soil under dry grassland, irrigated sugar cane, and under natural grassland re...
Read moreThe time course of changes in the quantity of Calluna leaves and wood were measured during 1971 and an analysis of the data used to derive the seasona...
Read moreSugar-beet was grown at 7 locations with different soil types in the E. of England and received 2 levels of N during 1960-2. Differences in yield betw...
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