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Mathematical parameters were fitted to a 2-species competition model [H.A. 32: 1572] and a statistical test for the hypothesis that the species are co...

2 grassland sites on the Matopos Research Station in Rhodesia were analysed by 3 different operators using the line intercept, wheel-point, variable p...

An annual index of water availability, expressing the amount of mean total precipitation available for transpiration by plants as a percentage of the ...

The equipment described was used for measuring temperature close to the soil surface in grassland. Some data for N.-and S.-facing slopes are given.-R....

Dactylis glomerata was grown with either Lolium perenne or Agrostis tenuis in proportions ranging from monoculture of one species to monoculture of th...

The youngest fully expanded leaf on plants of Lolium temulentum and L. perenne grown at 200 or 2000 f.c. light intensity was exposed to ¹⁴CO₂ for 30 m...

A description is given of apparatus used for measuring photosynthesis and respiration in C. vulgaris under controlled conditions of light intensity, r...

Photosynthetic rates of C. gayana communities were calculated using mathematical models relating the photosynthetic contribution of the leaves to dire...

Optimum summer index is based on the formula I = 10T_x + 20S-7R where T_x is mean daily temperature (°F), 5 mean daily sunshine (h) and R is total rainf...

In field tests with fenuron pellets, Commiphora spp., Maytenus putterlickioides, Premna oligotricha, and Tarchonanthus camphoratus were mostly toleran...