WebQuantitative determination of humic compounds in alkaline extracts of marine sediments ... The linear range for fluorimetric analysis was established to extend to concentrations ofup to 30 mg humic acid/dm 3 extract. ... (1990): An introduction to soil humic substances. - In: Humic Substances in Soil and Crop Sciences; Selected Submitted: 25 ... Web2 hours ago · Maize straw returning is one of the important measures to improve dryland soil organic carbon (SOC). However, the effects of different maize parts on SOC fractions with different soil fertility levels in situ are not exactly clear. Therefore, an in situ field incubation experiment over 540 days, by adding different 13C-labeled maize parts (root, …
Does Acid Rain Have an Effect on Agriculture? Sciencing
Web238 M. LI, T. SHINANO, and T. TADANO roots hydrolyzes organic phosphate compounds and liberates orthophosphate in the rhizo-sphere so as to avoid phosphorus stress (Tarafdar and Claassen 1988). Recently, It has been postulated that the function of roots in the secretion of acid phosphatase is a widespread adaptive mechanism of plants that … WebOct 1, 2024 · The way that acid rain damages plants is very subtle. Over time, the acidic water alters the pH of the soil where your plants are growing, binding and dissolving vital … braintree support hours
Effects of acid rain on soil humic compounds (Journal …
WebJun 21, 2001 · Effects of acid rain on soil humic compounds 1. Introduction. Acid rain is mainly of anthropogenic origin due to the strong presence of SO 2 and NO x gases in the... 2. Experimental. Soil samples Hplic Arenosol according to the classification FAO … WebThe present article used soil humic acid as research object to study effects on the structure characteristics of soil humic acid under the condition of applying cake fertilizer, green manure, straw fertilizer with the same contents of nitrogen and phosphorus. It used element analysis, micro infrared … WebHumic substances (HS) are organic compounds that are important components of humus, the major organic fraction of soil, peat, and coal (and also a constituent of many upland … braintree swim and fitness