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A brief description is given of equipment designed to measure soil oxygen flux and soil redox potential at a large number of points. Replicated measur...
Read moreThe 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....
Read moreA miniature version (suitable for measuring radiation in herbage and short grass) of an instrument described previously [see H.A., 35: 223]....
Read moreA soil sieving machine developed from a commercial concrete mixer is described. The machine is suitable for use with a wide range of fresh soils.
Read moreA soil core sampling tube for use with a power hammer is described. The tube splits lengthways into two halves which facilitates sampling on difficult...
Read moreApparatus for measuring the distribution of radiance outdoors and in controlled environment is described. -R.B.
Read moreApparatus for measuring the distribution of radiance outdoors and in controlled environment is described.-R.B.
Read moreThe 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 ...
Read moreThe equipment described uses 6 in. wide mild-steel plates for top and jointed side-sections to form a 10 × 6 ft plot with an angle-iron collecting dra...
Read moreDesigns are described for sensors, integrators and a readout device which together measure temp. (or day-degrees) and photosynthetically active radiat...
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