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Light interception by model hedgerow orchards and light distribution over their surfaces were investigated using a computer for the direct light calcu...
Read moreThe effect of different intensities of winter grazing by barnacle geese, Branta leucopsis, on the yields of agricultural grasslands dominated by Loliu...
Read moreThe chapter establishes links between elements of long-term global scenarios and the prerequisite conditions of sustainable forest management (SFM), a...
Read moreThe seasonal patterns of aerial biomass and biochemical composition of live graminoids, forbs, rushes, dwarf shrubs and dead plant material were exami...
Read moreThere is a lack of information concerning input and output of nutrients in savanna ecosystems (llanos). The south-western Venezuelan llanos are season...
Read moreThe nutrient contents of Rubus chamaemorus from burned, unburned, and sheep grazing. plots on blanket bog were determined. Macronutrient supply did no...
Read moreCocksfoot from Norway and Portugal was grown in controlled environment at 5, 15 or 25°C with 8 h high-intensity light/day with or without a further 16...
Read moreA study of net photosynthesis, respiration, and stomatal and mesophyll resistance of 3- to 4-year-old Sitka Spruce seedlings, grown in a greenhouse, i...
Read moreIn investigations in cider-apple orchards in southern England in winter 1971-73, groups of up to 30 larvae of Cydia pomonella (L.) were allowed to spi...
Read moreIt should be possible to design agroecosystems to reduce the severity of insect pest problems. Ecological theory about stability should be relevant wh...
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