G. G. Johns

A MODIFIED CAPACITANCE PROBE TECHNIQUE FOR ESTIMATING PASTURE YIELD

G. Nicol, G. G. Johns, B. Watkin, 1965 .

The accuracy of a range of capacitance probe methods for estimating pasture yields

G. G. Johns, 1972, The Journal of Agricultural Science.

II. The effect of different pastures, soil types and dew on the calibration

G. G. Johns, B. Watkin, 1965 .

Herbaceous biomass in a Eucalyptus savanna woodland after removing trees and/or shrubs.

G. Harrington, G. G. Johns, 1990 .