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本文应用大型康维皿法和多种多元分析手段,研究了多因子土壤特性共同对氨挥发的影响,以及它们之间的相互关系,结果表明:氨挥发量与土壤 pH、CaCO_3、全盐量成正相关,与有机质、CEC和粘粒成负相关,而与氨挥发成负相关的三个因子集中的表现在 CEC,成正相关的其余三个因子集中的表现在 pH 值上,据此推知土壤中氨挥发量的大小,可用 pH 和 CEC 与氨挥发的关系方程估测我国主要土壤的挥发潜力,将其划分为四类,并得出增施有机肥料,提高土壤有机质是防止土壤N素损失在土壤特性上讲唯一可行的途径。
In this paper, large-scale Compaq dish method and a variety of multivariate analysis methods to study the impact of multi-factor soil characteristics on ammonia volatilization, as well as the relationship between them, the results show that ammonia volatilization and soil pH, CaCO_3, , Negatively correlated with organic matter, CEC and cosmids, while the concentrations of the three factors negatively correlated with ammonia volatilization were concentrated in the concentration of the three other factors that are positively correlated with CEC, suggesting that soil Ammonia volatilization in the size of the available pH and CEC and ammonia volatilization equation to estimate the potential volatility of the main soil in China, will be divided into four categories, and draw an additional organic fertilizer to improve soil organic matter is to prevent N loss of soil The only viable approach to soil character.