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Climate and soil factors influencing the distribution of annual legume species collected at 207 sites throughout Syria were investigated by cluster an...
Read moreData are given on N, P, K, Ca and Mg content for pioneer, mature and degenerating Calluna vulgaris, young and old Vaccinium myrtillus, Nardus stricta,...
Read moreTranspiration rates of Douglas-fir trees (Pseudotsuga menziesii) were measured in the field, using tritiated water (HTO) as a tracer for water. Sites ...
Read moreThe authors had earlier [see HbA 44, 3551] described a computer program in which plant growth-analysis quantities of the general form (1/Y)(dY/dX), Z/...
Read moreThe unwanted development of dense understorey vegetation composed of resource-acquisitive, tall plant species competing strongly with tree regeneratio...
Read moreA new instrument for the estimation of the total length of a washed sample of roots is described. It utilizes a photoelectric method to count the numb...
Read moreThe number, length, angle, azimuth and compass bearing of whorl and interwhorl branches were measured in 1973 and 1976 for a plantation of P. sitchens...
Read moreNull balance diffusion porometers were used to estimate the variation of stomatal conductance (gs) in a Sitka spruce plantation. Samples were stratifi...
Read moreComparisons made over a wide range of soil matric potentials showed minimum resistance of 0.5 s/cm for cotton and 1.0 s/cm for maize. Readings made in...
Read moreThis paper discusses the use of critical height sampling (CHS) in forest inventory. Simulation results indicated that importance critical height sampl...
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