WebThe 10 g portion of the fumigated or non-fumigated soil was extracted with 50 mL of 1 M ammonium acetate by shaking at about 200 spm and 25°C for 30 min for determination of the biomass K and exchangeable K, where the ratio of soil to extractant and the shaking condition were 1:10 and 200 rpm for 20 min, respectively, in the original literature … WebFeb 9, 2024 · The ASV abundance tables were rarefied at 5000 (bacteria via 16S rRNA gene) and 2000 (fungi via 18S rRNA gene), respectively to ensure even sampling depth. The diversity (richness) of soil bacteria...
Chloroform - ToxFAQs™ - Agency for Toxic Substances and …
WebAs the amount of CO2-C evolved from the fumigated soil for 10–20 days after fumigation (designated as F′) was always lower than that from the unfumigated soil during the same period (UF′), the formula, microbial biomass-C (M) = {;the amount of CO2-C evolved from the fumigated soil for 0–10 days after fumigation, F) − F′}/kc, was proposed… WebMicrowave irradiation was evaluated as a non-toxic alternate to chloroform fumigation for routine measurement of soil microbial biomass C. Microwave energy was applied to moist soil to disrupt microbial cells. The flush of C released … things to cook with ground meat
A rapid chloroform-fumigation extraction method for …
WebOct 20, 2015 · Chloroform fumigation (fumigation) is a classic method used for determination of the soil microbial biomass. Jenkinson and Powlson (1976) described a fumigation-incubation method to estimate the soil microbial biomass. WebNov 1, 2012 · The chloroform fumigation extraction (CFE) method is used by most researchers, but it is quite time-consuming. The direct extraction method where the … WebAug 2, 2002 · The chloroform fumigation technique has been successfully employed to quantify intracellular and extracellular urease and arylsulfatase activities in soil. In this study, the same approach was evaluated for its ability to differentiate between various pools of phosphomonoesterase activities in soils and reference proteins purified from plant and … things to copy and paste