[PDF] Top 20 The effect of microbial activity on soil water diffusivity

... where A, B, C and M are adjustable fitting parameters. We chose a logistic curve because the initial drying did not provide a linear relationship with √ t. The logistic fit enabled us to identify this condition, which ... See full document

... the effect of sewage sludge on soil microbial activity have been mostly conducted under laboratory con- ditions, little attention being devoted to the study of the problem under field ...on ... See full document

... the soil envi- ronment causes severe ecological and health impacts, which is still not fully ...their effect on the soil microorganisms whose functions determine not only the soil qual- ity ... See full document

... suppress microbial activity (Bronopol, Captan 80WDG or water) and eight incubation temperatures, giving (2 × 3 ×8) 48 treatment combinations, with a treatment structure of ‘exudate (+ or −) × ... See full document

... the microbial activity in the soil and it indicates that native soil has sub-optimum population of these bacteria and responds to single as well as combined application with positive ... See full document

... capita activity at very low water ...in soil respiration and that nitrifica- tion is more sensitive to resource limitation than respiration (Schjønning et ...effective microbial ... See full document

... of water absorbed by the vertical soil columns with different heights as a function of ...the soil column (Goual et al., 2000). Moreover, due to small size of the soil columns and soil ... See full document

... influencing microbial com- munities in soil change soil enzyme activity (Fraser et ...genic activity on soil health (Singh and Kumar, ...dehydrogenase activity reflect ... See full document

... mycorrhizae+sterilized soil+compost (22 pods/ plant) and sterilized field soil+compost (20 pods/ plant) comparing to other all ...between water levels with application of mycorrhizae for all measured ... See full document

... adverse effect of Fungicides on the microbial community and the soil enzyme activity were evidenced in soil amended with fosetyl-aluminium and copper oxychloride (Fungicides) in ... See full document

... NFI soil, the SMBC and SWEC contents increased, but SOC contents decreased (Figures ...Thus, water-saving irri- gation is favourable to the increase of SMBC and SWEC, but might lead to lower SOC ...the ... See full document

... the soil solu- tion the 15 N compounds would have been available for N cycling processes, including re-uptake by soil ...by microbial activity following LS1 was almost certainly driv- en by C ... See full document

... of water-stable aggregate-size fractions could be probably induced more by differences in the quality (POM, MBC ) of SOM than by changes in its total amount (Plante and McGill, ...of soil macro- and ... See full document

... 6). Soil organic C:N > 20 reflects reduced N availability due to greater immobilization of N [20,21], although the breakpoint can be as high as 30, depending on the ...(8%) soil samples, whereas when ... See full document

... The microbial response to deposition of urea cor- responding to 22–43 g N m − 2 was ...oxidation activity and, after a few days, significant microbial ... See full document

... Growth of the moderate halophile, Staphylococcus xylosus strain CM21/3, in media of different water activities, continued to be described by the Square Root Model, when either sodium chl[r] ... See full document

... of microbial communities (Lv et ...affect soil microbial community catabolic ...the effect of GM soybean ZD91 on functional diversity and activity of microbial com- munities in ... See full document

... in soil microbial activity at the extracted and non-extracted sites as a consequence of different ecological condi- ...changes soil water regime by altering the rates of evaporation and ... See full document

... fresh soil (Figure ...non-biomass soil C decomposable in addition to killing organ- ...the soil but considerable CO 2 evolution was observed after treatment, even in uninoculated ...continued ... See full document

... the soil material are reported in Table 1. The soil samples from Ap level were taken as follows: Eutric Histosol from Hajdów, near Bystrzyca river; Eutric Fluvisol from Vistula Valley (Pu³awy); Mollic ... See full document