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Fertilization with a sewage sludge fertilizer containing 10-6-4 NPK increased the total peak standing crops of salt marsh vegetation, despite the pres...
Read moreFeeding of A. phoeniceus on maize ears did not always result in crop loss because feeding on the tips of the ears, if not too severe, could stimulate ...
Read moreStudies on sand-dune vegetation at Aberffraw, Anglesey containing car tracks, footpaths and sheep walks showed that a number of species, including Poa...
Read moreThe experimental material (all of Queen Charlotte Islands provenance) consisted of seedlings grown for three months in growth chambers and detached sh...
Read more[Cf. FA 35, 7073] A general theory is presented which describes the interaction between radiation and a Spruce forest. The canopy is divided into a se...
Read morePitfall trapping in sugar-beet crops in East Anglia in 1970 and 1971 showed that Carabidae were much more active and abundant than other epigeic preda...
Read moreIt should be possible to design agroecosystems to reduce the severity of insect pest problems. Ecological theory about stability should be relevant wh...
Read moreResidues of DDE in kestrel eggs collected near Ithaca, New York, averaged 35, 42, 33 and 37 p.p.m. in 1969, 1970, 1971 and 1972, respectively. Based o...
Read moreSince indigenous natural enemies of Antonina graminis (Mask.) do not appear to control the pest in Israel. The hymenopterous parasite Neodusmetia sang...
Read moreAs part of a wider study on the ecology of cereal crops, preliminary studies were carried out in Britain on the nocturnal activity and vertical distri...
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