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Concentration gradients of phosphate, K, Ca and Mg were measured near a plane of onion seedling roots at a range of soil water contents, in a special ...

Nitrate, ammonium, and phosphate were added to the forest floor of an alluvial swamp at a weekly rate of 1 g of nitrogen or phosphorus per m² for near...

In view of the use of salt marshes along the southern shores of Hudson Bay as breeding grounds and feeding areas by lesser snow geese and Canada geese...

The effects of mycorrhizal infection on the growth of white clover were assessed, using gamma -irradiated soil of the Malham series amended with P fer...

Bioassay based on the uptake of 32P from 5 X 10-6 M phosphate solution during a 15 min period was tested on birch (Betula verrucosa Ehrh.) and sycamor...

In an NPKCa factorial experiment with L. perenne cv. S23 and A. tenuis cv. American Highland Bent on 5 colliery shales, P was deficient on all 5 subst...

A. odoratum populations from 8 plots of a long-term experiment given N, P, NP or no fertilizer, with or without lime, were grown in sand culture at 5 ...

Germination and early seedling growth of Pinus contorta and Picea glauca were examined in distilled water (pH 6.3) (control), eight acidic buffer solu...

Shallow lakes are important components of the biosphere, but they are also highly vulnerable to damage from human activities in their catchments, such...

Roots collected from 3 contrasting types of permanent grassland in the Pennines were consistently infected by vesicular-arbuscular (VA) mycorrhizal fu...