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The relationship between cereal preference and rate of energy intake was studied for the mallard and 4 types of cereal grain. In a field experiment at...
Read moreTo protect the global ecological environment and prevent threats to human safety and property, nations around the world have invested heavily in ecolo...
Read moreThe amount of pollen of the appropriate species borne on the body of an insect is presumed to be an important factor in assessing its value as a polli...
Read moreA seed drill with 2 adjacent spouts blocked was used to sow winter wheat so that there were rows (a) 18 cm apart, (b) 18 cm from the next row on one s...
Read moreThe following is virtually the author's summary. Infestations of empty food sacks by stored-products insects were studied by examination of 350 sacks ...
Read moreThe demographic effects of reducing temperature and of insecticidal application against populations of the stored-grain pest Sitophilus oryzae (L.) we...
Read moreThe following is virtually the author's summary. The investigation described de-fines the limits of temperature and humidity beyond which the grain mi...
Read moreCombining natural saltmarsh habitats with conventional barriers can provide a sustainable and cost-effective alternative for fully engineered flood pr...
Read moreFor managed temperate forests, conservationists and policymakers favour fine-grained uneven-aged (UEA) management over more traditional coarse-grained...
Read morePollen from beech (Fagus sylvatica) trees about 100 yr old, belonging to different damage (forest decline) classes in a wood at Pian di Novello, centr...
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