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When perennial ryegrass plants were subjected to 1 cycle of soil drying, to repeated cycles of drying, or when they were grown in dry soils, the RGR o...
Read moreA native grassland in SE Montana dominated by Agropyron smithii was continuously fumigated with 2, 4 or 7 p.p.h.m. SO2 from mid-May until Oct. 1975 an...
Read moreSeasonal changes in the photosynthesis of tea were measured with a 14C technique during two years in Malawi. Photosynthesis did not decrease at the be...
Read moreThe results of the first 4 years of an experiment which has involved frequent applications of ammonium sulfate within a 1-km2 tract of nitrogen-poor d...
Read moreVegetation change during the first 6 years of secondary succession in a calcareous former arable field and the effect of controlled grazing by sheep w...
Read moreEighteen biotypes collected from different sites were grown in a common environment and seeds from these biotypes were grown in four experiments in co...
Read moreThe varieties used were S170 and ecotype AH from 660 m alt. in Algeria. AH expanded more leaf area during winter than did S170, and had a higher leaf-...
Read moreLand degradation drivers, including loss in vegetation and eutrophication, are expected to impact soil biodiversity and functions in drylands world-wi...
Read moreRangeland ecologists have been debating the validity of two current paradigms for the evaluation of vegetation dynamics on rangelands. This debate fre...
Read morePaspalum dilatatum and Sporobolus indicus plants growing in dense humid natural grassland were illuminated basally with red light by use of light-emit...
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