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This study employs the resurrection method to investigate contemporary evolution in 2 natural populations of the arable weed Centaurium erythraea. By ...
Read moreData are presented and discussed on seed germination, seedling emergence, seedling mortality, leaf production and shoot growth for the economically va...
Read moreThe effects of mechanical control methods and foliar sprays of fosamine ammonium, 2,4,5-T and triclopyr, singly or in combination, were assessed on Be...
Read moreSeedlings of cocksfoot populations from Norway and Portugal were planted-out 5 cm apart at the cotyledon stage into boxes equipped with partitions to ...
Read moreMany animal taxa respond strongly to spatial and temporal variation in vegetation structure and floristic composition, suggesting that changes in vege...
Read moreThe levels of blood urea, Ca, P, Na and K in the lechwe (Kobus leche kafuensis) blood sera were determined and compared with a standard. Blood urea wa...
Read moreSee also W.A. 20, 2439 and 2892. Experimental simulation of the theoretical effects of ploughing, both to different depths, and at different times of ...
Read moreThe effects of mycorrhizal infection on the growth of white clover were assessed, using gamma -irradiated soil of the Malham series amended with P fer...
Read moreFurther observations in Britain [cf. RAE/A 60, 2745] showed that the net annual production of lime saplings (Tilia vulgaris) was 23.4 g dry matter/sap...
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