The present study reports the synthesis and characterization of complexes formed among
humic (HA) and fulvic acids (FA) derived from poultry wastes and ions Cu2+, Fe2+ and …

Emerging demand for humic substances escalated the short supply of coal-related
resources from which humic substances are extracted in large quantities for various …

A method based on capacitively coupled contactless conductivity detection (C4D), which
has been proven effective for the rapid detection of available soil potassium content, was …

In present study, geophysical and geostatistical variability of ground water and agricultural
soil investigated in the Jaipur region of Rajasthan (Western India) by applying the …

Objective The content of nitrogen (N) and potassium (K) in the soil directly affects crop yield,
making it a crucial indicator in agricultural production processes. Insufficient levels of the two …

目的/意义土壤中氮, 钾元素在作物生长和农业生产过程中具有关键作用. 快速定量检测土壤中氮,
钾含量对指导精确施肥具有重要意义. 因此, 建立一种快速可靠的土壤氮, 钾含量检测方法十分 …

A broad spectrum of pharmacological activity of mud is related to humic acid, creating a
need for fast reliable methods for its assay in mud and water samples. This paper proposes …

为了快速有效评价莨纱绸生产用河泥的品质ꎬ 本文开发了一种基于比色法的莨纱绸生产用河泥
关键有机成分(腐殖酸和富里酸) 的定量检测方法ꎮ 研究了反应试剂福林酚与碳酸钠溶液的用量 …

A fast, convenient and commercially available approach for analyzing humic acid content in
fertilizer using headspace gas chromatography (HS-GC) is presented in this paper. Humic …

In agricultural production, soil fertility and the overall productivity of arable land depends on
the quality and quantity of mineral and organic fertilizers. The decrease in the humus content …