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The demography of the annual grass weed A. sterilis subsp. ludoviciana was studied during 3 consecutive years on populations growing in winter wheat c...
Read moreRadiation balance was measured from Oct.-Dec. 1965 in an irrigated cotton crop grown on ridges. During this time crop cover increased from about 10% t...
Read moreRates of decomposition were measured in roadside soils of high and low metal concentration in SW London, UK, to determine whether metal contamination ...
Read moreThe role of heat and nutrient supply from ash after light and hot fires on Brittany (France) heathland soils (brown acidic soils) were studied in the ...
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 moreThe viability of fruit pollen carried on the body hairs of insects collected in apple orchards was usually similar to that of pollen from freshly dehi...
Read moreMarine protected areas are increasingly being recommended as an essential component of the management of exploited marine species, but virtually no at...
Read moreThe responses of Auchenorhyncha to management by cutting of calcareous Arrhenatherum-dominated grassland were examined in a field experiment in easter...
Read moreAn analysis of the arthropod pest complex on tea from 14 geographical locations showed that the numbers of pests depend on the length of time for whic...
Read moreThere are clear indications that Birch grows in height only when the mean air and soil temperatures exceed 42-44°F. There is a rather loose correlatio...
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