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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 ...

A hole (10 cm diam.) made in the ground to below the min. expected depth of water table and lined with wire mesh contains a polythene bottle 'float' t...

An instrument for measuring the distribution of irradiance in grass canopies is described; it demonstrated that light from an overcast sky was more un...

The equipment described makes use of a continuous measured flow (v) of dry N2O into a porometer cup attached to a known leaf area (a). The gas within ...

The fitted lines relating total and matric suctions to water content of a coarse sandy loam were significantly different but nevertheless very similar...

Theoretical considerations indicated that it was possible to increase the precision of estimation of vegetation cover by reducing the number of pins i...

A new instrument, which is portable, easy to use and gives an immediate digital display of percentage transmission, for measuring the percentage trans...

A new instrument for the estimation of the total length of a washed sample of roots is described. It utilizes a photoelectric method to count the numb...

Comparisons made over a wide range of soil matric potentials showed minimum resistance of 0.5 s/cm for cotton and 1.0 s/cm for maize. Readings made in...

For a continuous flow porometer, stomatal resistance can be calculated from a measurement of the relative humidity of the chamber air if the leaf and ...