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Plant productivity is influenced by water status, temperature, and photosynthetically active radiation, the effects of which provide an environmental ...
Read moreIn an investigation of the effects of recycling secondarily treated sewage effluent through cypress (Taxodium distichum) domes in Florida, it was foun...
Read moreThe purpose of this exercise was to provide additional insight to the previously published annual reports in the following areas: Ethnic minority grou...
Read moreIn this paper, marine birds (38 species from Anseriformes (ducks and geese); Podicipediformes (grebes); Charadriiformes (gulls and auks); Suliformes (...
Read moreThe demography of the annual grass weed A. sterilis subsp. ludoviciana was studied during 3 consecutive years on populations growing in winter wheat c...
Read moreThis report discusses the assessment of how farm management influences nitrate concentrations in drainage water and its subsequent impact on wetlands ...
Read moreDistribution records of the flora within arable field boundaries and the associated crop indicated that most species in field boundaries did not occur...
Read moreNitrate, ammonium, and phosphate were added to the forest floor of an alluvial swamp at a weekly rate of 1 g of nitrogen or phosphorus per m2 for near...
Read moreAnnual determinations were made of the number of viable weed seeds in the soil on plots of a 9-year experiment with vegetable crops in which four prim...
Read moreFlight phenologies of the migrant aphid Rhopalosiphum padi, as indicated by suction trap catches throughout France in 1978-88, were compared using mul...
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