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The effects of simulated urine deposition on the selectivity and intensity of cattle grazing on Agropyron smithii [Elymus smithii] tillers were studie...
Read moreThe input and output of water, Na, K, Ca, P and N were measured over a 14 month period in a 45 m2 watercress bed containing 6927 kg of a soil/gravel m...
Read moreGives the results of a detailed survey, between 1968 amd 1971, of the distribution, density and concentration of populations of Juniperus communis sub...
Read moreData on the weight and nutrient status of litter from four species of exotic conifer (Pinus lambertiana, P. nigra var. maritima, P. ponderosa and Pseu...
Read moreIn continued work [see preceding abstract] the weight and nutrient status of litter from the four species were related to the size of the trees surrou...
Read moreThe suitability of pulverized refuse fines (PRF) as a topsoil substitute in the reclamation of colliery spoil and urban clearance areas was studied in...
Read moreBy means of factor analysis of concentrations of Cu and Zn in soil and of Cu, Zn, Fe and Mn in vegetation, the relationships between biogeochemistry, ...
Read moreAt higher soil water contents, chloride uptake by onion roots was greater, and the zones of depletion extended further. Models of ion transport were d...
Read moreIn a field experiment in central Sweden, shoots of 20-year-old Scots pine (Pinus sylvestris) were hand-pruned in 2 series, 1 with non-fertilized trees...
Read moreThree major determinants of bees' nectar foraging patterns are the maximum depth at which nectar is accessible (dependent on bee tongue length); the m...
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