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River regulation and abstraction have dramatically altered the natural flow regime of many rivers worldwide, but experimental investigations of the bi...
Read moreFeeding of A. phoeniceus on maize ears did not always result in crop loss because feeding on the tips of the ears, if not too severe, could stimulate ...
Read moreThe distribution of N, P, K, Ca, Mg and Mn in a 175-year-old Abies amabilis ecosystem is described and estimates of transfers within the system are gi...
Read moreData are presented and discussed on seed germination, seedling emergence, seedling mortality, leaf production and shoot growth for the economically va...
Read moreSalt-marsh microcosms containing the halophyte Spartina alterniflora were maintained in a greenhouse for 2 years and given daily dosages of a hydrocar...
Read moreWheat cv. Concorde, Chenopodium album, Agropyron repens [Elymus repens] and Spergula arvensis were grown in pure stands and in mixtures of weeds with ...
Read moreDensity of jojoba (Simmondsia chinensis) was similar but plant size and cover were greater inside than outside a 48-yr-old livestock (cattle) exclosur...
Read moreThe influence of cattle grazing on marked shoots of P. australis was studied on embanked sandflats of the Lauwerszeepolder, N. Netherlands in 1983-86....
Read moreMaize, beans (Phaseolus vulgaris) and squash (Cucurbita maxima) were grown in pure stands and mixtures for 3 seasons in Costa Rica. Vegetative biomass...
Read moreIceland has vast areas of mobile sand resulting from volcanic glacier bursts and erosion. Seeds of the coastal, dune-building grass Leymus arenarius a...
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