Search

Except in the 2- to 3-month annual dry season, stomatal conductance was principally determined by incident irradiance; it was independent of shoot wat...

Seed germination in Agrostis capillaris, Holcus lanatus, Poa trivialis, Cynosurus cristatus and Festuca rubra was investigated in the dark at temp. ra...

Biological soil crusts (biocrusts) occur across most of the world's drylands and are sensitive indicators of dryland degradation. Accounting for shift...

Describes the development of a simple predictive model (based on two sets of equations) that uses the timing of vegetative bud burst to examine the re...

The hazard pesticides pose to pollinators are well-understood from laboratory studies. However, the field-level response of pollinators to pesticide u...

Leaf extension rates of perennial ryegrass, Italian ryegrass, tall fescue and timothy were measured in the field using artificial soil heating as a tr...

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...

A native grassland in SE Montana dominated by Agropyron smithii was continuously fumigated with 2, 4 or 7 p.p.h.m. SO2 from mid-May until Oct. 1975 an...

Seasonal changes in the photosynthesis of tea were measured with a 14C technique during two years in Malawi. Photosynthesis did not decrease at the be...

The results of the first 4 years of an experiment which has involved frequent applications of ammonium sulfate within a 1-km² tract of nitrogen-poor d...