[PDF] Top 20 Directory UMM :Data Elmu:jurnal:A:Applied Soil Ecology:Vol12.Issue2.Apr1999:

... the soil foodweb more toward a natural ecosystem characterized by a higher fungi to bacterial ...toward a fungal dominated ecosystem when pruning biomass is ... Lihat dokumen lengkap

... as a possible ...as a determinant of ...poor soil conditions and may represent primary colonisers in degraded ...able soil magnesium contents, re¯ecting an adaptation to Australia's naturally ... Lihat dokumen lengkap

... on a soil from a single metalliferous ...polluted soil, the others were collected from a relatively calcareous soil and an acidic soil, ... Lihat dokumen lengkap

... is a consequence of intraspeci®c inherited adaptations or, alternatively, of acclimatory adjustments during the exposure history of individual organisms is a dif®cult, but fundamen- tally important ... Lihat dokumen lengkap

... that a combination of a neem-based product, `Nimin' with fertilizer could increase crop yield and reduce numbers of plant- parasitic ...± a neem triterpene that acts by delaying the rapid ... Lihat dokumen lengkap

... that data based on termite consumption of surface baits must be interpreted ...the soil (Ettershank et ...the soil environment is conducive to surface ...only a measure of feeding activity and ... Lihat dokumen lengkap

... that soil pH also affects the repro- ductive rate in ...The soil pH was shown to have an impact on reproduction in the earthworm ...polluted soil, if the pH of the ISO soil is very different ... Lihat dokumen lengkap

... on soil organisms and processes, a transplantation experiment was ...Eighteen soil blocks from an ombrotrophic mire (Stordalenmyren) at Abisko in northern Sweden were transplanted to nine sites in ... Lihat dokumen lengkap

... of soil bacteria were discussed in detail by WuÈnsche and Babel ...culturable soil bacteria can be identi®ed success- fully using the BIOLOG system, which is in an agreement with the results of our ...by ... Lihat dokumen lengkap

... of soil quality indicators in that they are sensitive to variations in management, they de®ne major ecological processes in soil and they re¯ect conditions as they actually exist in the ®eld under a ... Lihat dokumen lengkap

... some data might be related to the lack of accuracy in weight loss ...In a 6 week in situ experiment with oak litter, Tietema and Wessel (1994) recovered only 21% of weight loss in dissolved organic ... Lihat dokumen lengkap

... months. Soil used for experiments was potted in bags made of thin polyethylene tubes (43 cm high and with a diameter of ...as a bait crop in each ...The soil tubes with the barley bait crop ... Lihat dokumen lengkap

... On average over the investigated soils and treat- ments, bacteria belonging to Group B accounted for approximately 37% of the population. If all of them belonged to the Cytophaga or Flavobacterium genera, then the ... Lihat dokumen lengkap

... cause a rapid shift of soil chemical properties which are initiated by microbial ...in soil extracts by a rise of nitrate and electrical conductivity (EC) and a decline of pH (Patriquin ... Lihat dokumen lengkap

... In a recent, and widely cited, paper, Ashenfelter & Krueger (1994) use a new sample of identical twins to investigate the contribution of genetic ability to the observed cross-sectional return to ... Lihat dokumen lengkap

... using a new twins sample, (2) develops and applies a test of the significance of that bias, and (3) demonstrates that there may be “ability” bias even if the genetically-endowed compo- nent of ability does ... Lihat dokumen lengkap

... We find students from lower-income families were significantly more likely to apply to the choice program, as were black and Hispanic students. And, as might be expected, students with more educated parents (those who ... Lihat dokumen lengkap

... sector. A study by Dundar and Lewis (1995) indicates the presence of product-spe- cific economies of scale for research but not for undergraduate and graduate ...ing. A recent study of Japanese universities ... Lihat dokumen lengkap

... across a variety of conditions? While there are very few studies that calculate cost effectiveness for different types of inputs, there are hundreds studies which relate student achievement to school character- ... Lihat dokumen lengkap

... In the human capital model, schooling is treated as an ordinary investment decision made by weighing the present value of future benefits against current costs. The benefits primarily consist of increased earnings, ... Lihat dokumen lengkap