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The recreation of species-rich grassland represents a key EU agri-environment policy initiative intended to maintain native biodiversity and to suppor...
Read moreAfter 2 trials in late winter 1973-4, 6 main experiments were conducted over the winter periods of 1974-5 and 1975-6 to determine the loss of herbage ...
Read moreAccording to the duration of dormancy, 3 different classes could be recognized among African accessions. Material originating in the low-rainfall trop...
Read morePopulation models that are used to predict weed population dynamics or the impact of control measures on weed abundance typically ignore temporal vari...
Read morePure swards of S48 timothy and S215 meadow fescue, grown from seed in large concrete containers out of doors, were cut (a) every 4 weeks during summer...
Read moreData are presented and discussed on seed germination, seedling emergence, seedling mortality, leaf production and shoot growth for the economically va...
Read moreMeasurements were made of the length and disposition of all branches on young trees of P. contorta (a) planted in Peeblesshire, Scotland, in 1966, and...
Read moreGrowth characteristics and response to atrazine were studied in atrazine resistant (R) and susceptible (S) populations of Amaranthus retroflexus and A...
Read moreMixtures of equal numbers of plants of different barley varieties or of a barley variety and an oat variety were grown in 5 field trials and 1 glassho...
Read moreThis paper discusses the recognition, protection and utilization of the wild relatives of domesticated crops that naturally occur in Arizona (USA), wh...
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