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The mean nitrate reductase activity (NRA) of leaf tissue, from various nitrogen environments, was four times greater in Sporobolus pyramidalis than in...
Read moreFertilization with a 10-6-4 sewage sludge fertilizer increased the total peak standing crops of salt marsh vegetation, in spite of the presence of con...
Read moreDamage to trees by grazing animals and prevention of damage by fencing or use of unpalatable species; effects of grazing on forest soils, including co...
Read moreIn a survey of 68 reclaimed china clay wastes, the grass/clover vegetation was scored for overall cover, legume cover and the number of ingressed spp....
Read moreThe accumulation of nutrients in the standing crop and standing dead material in naturally grazed and sheep-grazed grass/clover vegetation on reclaime...
Read moreOn flat bog with deep peat where heather (Calluna vulgaris), the principal food of the birds, was scarce application of superphosphate, or ground mine...
Read morePost-war agriculture in Britain and the EEC, facilitated by new technology and state support, has been very successful in increasing food supplies to ...
Read moreThe effects of various environmental factors on the ditch bank vegetation in peat areas in the western Netherlands were studied to find the best manag...
Read moreThe ecological underpinning of the Dutch nitrogen control programme (PAS) is outlined. The process of nature restauration is also followed in the shor...
Read moreLime has been applied to lakes and catchment areas in order to counteract the effects of acidification. Results are reported from laboratory and field...
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