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Reports a study in which four unmanaged, even-aged stands of second-growth mixed hardwoods 67-97 years old, dominated by Quercus spp., near Asheville,...Read more
A non-destructive stain technique for quantifying root growth was developed. Red, blue and yellow chlorotriazinyl dyes are individually applied as a s...Read more
A new technique is described which can be used to separate the effects of root and shoot interactions between spp. or populations. The technique allow...Read more
Gases released from two decay systems (leaf litter, animal carrion) were analysed with a simple gas chromatograph. The apparatus provides a convenient...Read more
The line intersection method is described. In practical tests with plants, including beans, the method compared well with direct measurement.-Duke Uni...Read more
A respiration chamber and electrolytic cell with a single 0.5 mm diameter platinum anode, which function at atmospheric pressure, are described. It ca...Read more
A 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 more
Soil respiration is commonly determined by measuring the rate of increase in the CO2 concentration within a chamber placed on the soil surface, with a...Read more