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A 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 moreDetails are given of the construction of a diffusion porometer for measuring stomatal resistances of leaf surfaces, based on principles described in F...
Read moreA heat-labile substance toxic to nitrite-oxidizing bacteria was present in the outer tissues of roots of Hyparrhenia filipéndula; in the summer (Nov.-...
Read moreKEYWORDS: Management \ forest \ Mathematical methods matrix theory \ Mathematical methods models selection forest structure \ Selection forest \ Silvi...
Read moreAnalyses showed that excess salt persisted throughout the year near roadsides, probably influencing the vigour and species composition due to osmotic ...
Read moreA tipping-bucket water recorder with a capacity of 100 ml is described.
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...
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