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Limited information exists on approaches to effectively revegetate severely disturbed, barren, subgrade (unconsolidated parent material) serpentine su...
Read moreReports further studies in the stand of Pinus nigra var. maritima already described [see preceding abstract]. Net primary production of the Pine was n...
Read moreIn a field study in La Plata, Argentina, mixtures of wheat cultivars were tested as an ecological alternative to pure culture, for producing either a ...
Read moreComplementarity (CE) and selection effects (SE) have been either invoked to explain the positive diversity-productivity relationship in natural and se...
Read moreField- (vascular plants) and ground- (epigeic bryophytes and lichens) layer vegetation was investigated in four old fertilization experiments in conif...
Read moreThe results of the first 4 years of an experiment which has involved frequent applications of ammonium sulfate within a 1-km2 tract of nitrogen-poor d...
Read morePerennial ryegrass cv. S23 was grown on 13 shales in a glasshouse and at 3 field sites with 0, 125 or 625 kg 17-17-17 (NPK) fertilizer/ha (field) or 6...
Read moreIncreased use of artificial fertilizers has caused widespread loss of species-rich grasslands throughout Britain and mainland Europe. Species-rich mea...
Read moreRoot symbionts (rhizobia and arbuscular mycorrhizas) are often assumed to increase agricultural productivity consistently. However, rhizobial and myco...
Read moreAbove-ground yield and the production of senescent and dead tissue were measured in perennial and Italian ryegrasses, white and red clover and in mixt...
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