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Quantitative estimates of the effects of different methods of S application on the entry of 35S into the grazed pasture system were made on an analogu...
Read moreThe increase in numbers of Auchenorhyncha following cutting of an Arrhenatherum grassland were recorded in a field experiment at a nature reserve in e...
Read moreA simplified method for the estimation of the intrinsic rate of natural increase (rm) of aphids is proposed. Having determined the prereproductive tim...
Read moreThe effects of 3 different lime wastes at rates of 10-200 t/ha in combination with 45-220 kg superphosphate/ha on reclamation of acid mine spoil by (a...
Read moreThe responses of dipterocarp seedlings grown in deep shade to a dramatic increase in insolation are reported and briefly discussed. Experiments were c...
Read moreBody weights and measurements were determined on a number of species of antelope, the zebra and the hyena, 7-158 animals of each species being examine...
Read moreArgentina's G20 presidency has emphasized the needs to improve soil management and increase agricultural productivity in a sustainable way to achieve ...
Read moreChanges in media composition were monitored during conditioning by B. tropicus, B. truncatus, B. globosus and Biomphalaria glabrata maintained under a...
Read moreIn this technique the roots are laid out on a flat surface and a count is made of the number of intersections between the roots and random straight li...
Read moreApprox. 15 000 ha of mixed coniferous forest were burned on the northern California/Nevada border during the Donner Ridge fire in 1960. Vegetation was...
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