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首页> 外文期刊>African Journal of Biotechnology >Effect of humin-urea-rock phosphate amendment on Bekenu series (Tipik Tualemkuts) soil
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Effect of humin-urea-rock phosphate amendment on Bekenu series (Tipik Tualemkuts) soil

机译：尿素-尿素-磷酸盐磷酸盐改良剂对Bekenu系列（Tipik Tualemkuts）土壤的影响

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摘要

Application of crude humin with urea and Egyptian rock phosphate (ERP) may reduce ammonia loss from urea. This study was conducted to determine the effect of mixing crude humin with urea and ERP on ammonia volatilization and selected soil chemical properties. Crude humin from four different composts was mixed with urea and ERP and ammonia loss from these treatments were evaluated using the closed-dynamic air flow system. Standard procedures were used to determine ammonia loss, soil pH, total nitrogen, exchangeable ammonium, available nitrate, exchangeable phosphorus, cations, organic matter, total organic carbon and cation exchange capacity. Amending urea with crude humin had no effect on total amount of ammonia loss. However, addition of the crude humin significantly increased pH, organic matter, total organic carbon, cation exchange capacity (CEC) and exchangeable cations of Bekenu series (Tipik Tualemkuts). Crude humin from selected waste compost can be used to improve soil chemical properties.
机译：腐殖质粗品与尿素和埃及磷酸盐（ERP）的应用可以减少尿素中氨的损失。进行这项研究来确定将腐殖质与尿素和ERP混合对氨气挥发和选定的土壤化学性质的影响。将来自四种不同堆肥的粗腐殖质与尿素和ERP混合，并使用封闭动态气流系统评估这些处理过程中的氨损失。使用标准程序确定氨气损失，土壤pH，总氮，可交换铵，可用硝酸盐，可交换磷，阳离子，有机物，总有机碳和阳离子交换容量。用粗腐殖质对尿素进行修正对氨气的损失总量没有影响。但是，添加粗腐殖质会显着增加pH，有机物，总有机碳，阳离子交换容量（CEC）和Bekenu系列（Tipik Tualemkuts）的可交换阳离子。来自选定的废物堆肥的粗腐殖质可用于改善土壤化学性质。

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