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The arthropod faunas of herbicide-treated (mecoprop, bromoxynil and ioxynil) and untreated headland plots of a spring wheat crop were compared in a re...
Read moreOrganic farming has potential for the conservation of global biodiversity and associated ecosystem services. Despite this, knowledge of the effects of...
Read moreInvasive plant species can hinder the establishment and growth of native plants and impact several ecosystem properties, such as soil cover, nutrient ...
Read moreThe maximum rate of apparent photosynthesis in recently expanded leaves of unshaded Amaranthus edulis plants at 310 ppm. CO2 and 7500 f.c. was 55 ± 5 ...
Read moreThe numbers of Sinapis arvensis plants in 3 permanent quadrats in an arable field were examined over 3 years. Plant size was positively correlated wit...
Read moreTriazine-susceptible and resistant biotypes of S. vulgaris, collected from the same field in Salinas, California, were compared to determine whether r...
Read moreBuffelgrass (Cenchrus ciliaris syn. Pennisetum ciliare) was introduced to Sonoran Desert in the early 20th century and has become widespread at low el...
Read moreThe effect of copper sulphate as an algicide is reviewed briefly. In experiments in which Anabaena flos-aquae and Scenedesmus quadricauda were exposed...
Read moreObservations on two burning regimes during a 3-year period in Machakos district (5200 ft. alt., rainfall 25 in./year) showed that these thickets can b...
Read moreRecent advances in our understanding of the advantage of initial size in competition among individual plants (size-asymmetric competition) suggest tha...
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