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Perennial ryegrass cv. S23 was grown on 13 shales in a glasshouse and at 3 field sites with 0, 125 or 625 kg 17-17-17 (NPK) fertilizer/ha (field) or 6...
Read moreThe path of a point quadrat through a stand until it first contacts foliage is comparable to the path of a ray of light from the sky until it is inter...
Read moreThe foliage areas exposed to direct sunlight, or shaded from it by other foliage, can be calculated for any particular foliage-area index given the in...
Read moreThe foliage areas exposed to direct sunlight, or shaded from it by other foliage, can be calculated for any particular foliage-area index given the in...
Read moreThe high spatial and temporal variability of forest understorey light environments requires lengthy and/or extensive sampling in order to characterize...
Read moreThe construction and calibration of a sensor for measuring light interception in crop canopies are described.
Read moreLight interception by a reconstructed canopy of Calluna vulgaris was recalculated on the basis of total skylight and equations developed to estimate i...
Read moreBulk density and soil penetration resistance was linearly related to the log of the number of passages of a car, up to 256 passages, and of walkers, u...
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