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A Trifolium repens cv. Regal and Festuca arundinacea cv. Kentucky 31 pasture was established in Sep. 1983 to determine the impact of O3 and available ...Read more
The interspecific transfer of inorganic materials by exudation from and reabsorption by roots of plants growing in mixed hardwood/Pine forest in the S...Read more
A heat-labile substance in surface sterilized pieces of Hyparrhenia filipendula roots was toxic to nitrite oxidizers in a soil enrichment culture; it ...Read more
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 more
An autoradiographic method for measuring root length in the soil using 32P injected into onion leaves is described. The soil containing the roots was ...Read more
Anthoxanthum odoratum, Holcus lanatus, Hypochoeris radicata, Lolium perenne, Plantago lanceolata and Rumex acetosa (i.e. 'treatment' species) were gro...Read more
In this technique the roots are laid out on a flat surface and a count is made of the number of intersections between the roots and random straight li...Read more
At 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 more
Trimmed tillers, excised roots and excised laminae of tall fescue were subjected to various temp. down to -12 deg C for various exposure times and at ...Read more