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In laboratory studies in Massachusetts with a synthetic diet and the foliage of 4 forest trees (grey birch (Betula populifolia), white oak (Quercus al...
Read moreMethods are described for the analysis of survival data. The re-analysis of survival data for wild populations of 11 tropical species of mosquitoes re...
Read moreIn studies on organochlorine residues in lakes of the Rift Valley, Kenya, 47% of the farms surveyed in the Nakuru catchment basin used either DDT or d...
Read moreThe growth, reproduction, and survival of cucumbers were studied in experimental plots with two spacings (56 and 77 cm between plants) and two diversi...
Read moreRecruitment, mortality, population flux and reproductive efficiency of Eupatorium odoratum was investigated in plant successions occurring after slash...
Read moreIn the laboratory, seeds of Hordeum geniculatum, H. glaucum, H. leporinum, H. marinum and H. murinum showed some innate dormancy which was most eviden...
Read moreThe numbers of viable weed seeds in the top 15 cm of the soil were determined over a 16-year period in 4 crops grown with or without herbicides and ho...
Read moreIn pot experiments, the growth of barley seedlings was significantly retarded by the presence of live rhizomes of Agropyron repens near their roots. D...
Read moreSoil respiration is commonly determined by measuring the rate of increase in the CO2 concentration within a chamber placed on the soil surface, with a...
Read moreA study was made of the effect of secondarily treated effluent on the phosphorus budget of a central Florida freshwater marsh. Three 2000 m2 plots rec...
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