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In November 1970 the acidity of Calthorpe broad in Norfolk, and some adjacent ditches, changed abruptly from near-neutrality to just above pH 3. Most ...
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...
Read moreThe scrub layer was studied in 11 selected areas of Riding Mountain National Park, Manitoba, which are used as winter range by wapiti (Cervus canadens...
Read moreOn shortgrass prairie in N.E. Colorado with dominant Bouteloua gracilis, Buchloe dactyloides, Agropyron smithii and Artemisia frigida, antelope and ca...
Read moreEvaporation from a weighing lysimeter containing grassland containing 50% T. australis was measured for 3 yr in a sub-humid region of New South Wales,...
Read moreMeasurements were made of the diurnal changes in the leaf water potential of flag leaves of winter-sown and spring-sown wheat in 3 different yr, and o...
Read moreThe effects of different grades of limestone, up to 2.4 mm diam., and incorporation depths of 15 and 25 cm, on growth of Lolium perenne cv. S23 was in...
Read moreA comparative study was carried out on nitrogen flows in two meadow ecosystems that were similar at the beginning of the experiment. In the wet meadow...
Read moreThe seasonal patterns of aerial biomass and biochemical composition of live graminoids, forbs, rushes, dwarf shrubs and dead plant material were exami...
Read moreSeed production by Cenchrus ciliaris cv. Biloela and soil seed reserves were studied in two 16-year-old C. ciliaris/Macroptilium atropurpureum cv. Sir...
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