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A measuring system for estimating the frequency distribution of irradiance within a plant stand is described. The system uses a distributed set of 32 ...
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 moreThe Joint Agriculture and Environment Programme (JAEP), initiated to investigate the effects of agricultural activity on farmland ecosystems, is outli...
Read moreThis report provides an overview of offal production at sea to understand current practices, quantities, and composition. It includes considerations f...
Read moreThe type of lysimeter described consisted of a galvanized steel vessel 47 cm diameter and 60 cm deep containing a soil monolith and resting in a hole ...
Read moreA study in Northern Territory, Australia, in connection with a biological control programme.
Read moreSeeds of Polygonum spp., especially P. convolvulus, were the main weed seeds eaten by partridges in October 1968 and formed 44% of the total dry weigh...
Read moreThe summer growth, winter dieback and grazing of shoots and flowers of heather was measured at 2 moors in N.E. Scotland. The main factor determining a...
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