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Fifteen, 45, 60 and 90 cm water were applied before sowing cotton; after irrigation there were 10, 28, 45 and 60 cm of available water respectively in...
Read moreTissue m.c. and rates of CO2 and O2 exchange were determined in the laboratory for branches of L. tulipifera collected at 2 week intervals over a 1 yr...
Read moreSeed collected from natural stands of P. menziesii growing at (a) 250, (b) 520 and (c) 880 m alt. in Oregon, and from a cross between trees in (a) and...
Read moreRelationships between red-winged blackbirds (Agelaius phoeniceus) and the chrysomelid Diabrotica longicornis were studied in field maize in Cayuga Cou...
Read moreA biological interpretation was made of spatial distributions of the aleyrodid Trialeurodes vaporariorum reared on Phaseolus vulgaris from various agg...
Read moreGlossina control operations are more likely to succeed if timed to exploit periods of natural vulnerability. One measure of a population's condition i...
Read moreThe authors present a model simulating the effects of the acridid Melanoplus sanguinipes on the yield of spring wheat planted in infested stubble. The...
Read moreDeterministic models predict that susceptible-infective-susceptible (SIS) disease, where there is no immunity to reinfection following recovery, will ...
Read moreThe density and distribution of Nectria galligena were determined on all 16 combinations of 4 cvs (Summerland Red McIntosh, Harrold's Delicious, Spart...
Read moreHarvest models are often built to explore the sustainability of the dynamics of exploited populations and to help evaluate hunting management scenario...
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