[PDF] Top 20 Directory UMM :Data Elmu:jurnal:A:Applied Soil Ecology:Vol13.Issue1.Sep1999:

... across a 1.5 m transect spanning three rows of corn that included both a traf®c and a non-traf®c row in order to assess if population abundances were signi®cantly in¯uenced by soil attributes ... Lihat dokumen lengkap

... two soil covers, Pueraria and grass ...with a sampling area of 0.5 m 2 and a mean litter dry matter of ...Pueraria soil cover appeared to offer more favorable living conditions for a ... Lihat dokumen lengkap

... the soil environment imposed by agricul- tural management practices could be revealed by measures of nematode community patterns has been investigated in recent years (Ferris et ...of a citrus orchard in ... Lihat dokumen lengkap

... of soil- water ...in soil-water avail- ability and short-term responses by the nematode community, while comparison of soil cores from their respective sites of origin provided insights about ... Lihat dokumen lengkap

... and a similar study on these plots-data not ...the soil microbial properties, the story is ...severe soil compaction with HL may in some cases, substantially reduce the SMBC and SMBN and in ... Lihat dokumen lengkap

... control soil (400±1700 ind m ÿ2 ), while no differences were recorded in biomass, richness, diversity and ...the soil surface increased the relative dominance of epigeic populations (‡185% to ‡250%) at the ... Lihat dokumen lengkap

... 11.0 g Agar Noble l ÿ1 of solution. The medium for isolating copiotrophs contained 1.0 g C (glucose)/l of agar solution and the medium for isolating oligotrophs 5.0 mg C (glucose) plus 2.50 mg C ml ÿ1 soluble C contained ... Lihat dokumen lengkap

... addition, a complementary soil layering experiment, conducted under laboratory conditions, was undertaken to investigate whether the distribution of Pb within a soil vertical pro®le in¯uenced ... Lihat dokumen lengkap

... the applied treatment. The strain recovered from the nodules shows a dif- ferent intrinsic antibiotic resistance pattern when com- pared with Bradyrhizobium ...strain, a weak agglutination (1 : 40) ... Lihat dokumen lengkap

... organism. In addition, ampli®cation of DNA extracted from environmental samples with speci®c probes directed towards key metabolic genes could give an indication of the possible metabolic capabilities of soil ... Lihat dokumen lengkap

... its A ‡ T (hence, G ‡ C) content. A gradient of DNA fragments of different G ‡ C concentrations is then established by equilibrium density-gradient (CsCl) ...with a fraction ...using a ... Lihat dokumen lengkap

... of a rye (Secale cereale L.) cover crop into the soil prior to planting cotton (Gossypium hirsutum ...Chitwood). A greenhouse study was conducted to determine the duration of the effectiveness of rye ... Lihat dokumen lengkap

... Samples were taken from a crop sequence experi- ment (coded CS/323) on West Barn®eld, described by Hornby and Gutteridge (1995) and Hornby (1998). In the 1995±1996 growing season, all plots were in winter wheat ... Lihat dokumen lengkap

... with a diverse mix of healthy tussocks of the dominant native perennial ...into soil and microbial activity, and ulti- mately the loss of nutrient cycle function and soil micro-structure (Oades, ... Lihat dokumen lengkap

... and soil factors structuring the community become ...for soil invertebrates. A notable feature is the high percentage of soils that contain no invertebrates (Freckman and Virginia, 1998), a ... Lihat dokumen lengkap

... of a commu- nity of non-lignin or non-cellulose degrading fungi and ...Such a community in time becomes associated with a diversity of consumers and preda- tors, ...for a diverse range of ... Lihat dokumen lengkap

... as a function of the number of isolates considered in the analysis ...comprised data from 31 strains and its curve followed the overall pattern of the ...P0 soil was greater than that in the ... Lihat dokumen lengkap

... Until recently, the determination of microbial diver- sity was based on genetic and phenotypic character- isation of isolated and cultivated strains. The limitations of this approach are linked to the low ratio of ... Lihat dokumen lengkap

... Large temporal variation in microbial biomass C concentration and extracellular enzyme activity were observed, which could be related to environmental factors (e.g., temperature and moisture) and crop growth but not ... Lihat dokumen lengkap

... only a portion of the nitrogen ingested, it is then possible to estimate, based on their nitrogen requirements and ef®ciencies of nitrogen assimilation, how much organic matter they ...in a corn ... Lihat dokumen lengkap