东开普省爱丽丝不同燃烧频率下热带稀树草原土壤有机质、pH值和养分分布

S. Materechera, O. T. Mandiringana, P. M. Mbokodi, K. Nyamapfene
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引用次数: 37

摘要

火是南非东开普省稀树草原放牧管理的重要工具。本研究的目的是量化草原燃烧频率对土壤性质的影响,特别是有机质、pH值、交换性钙、镁、钾、钠和可提取磷。在一个17年的实验中,从不同深度收集土壤样本,燃烧频率为:不燃烧(B0)、一年(B1)、三年(B3)和六年(B6)。同时选取连续放牧且未烧毁的土地(G)和样地之间的条带(R)进行比较。燃烧显著(p G>B3>B6>B1>R)。分布的趋势是……
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Organic matter, pH and nutrient distribution in soil layers of a savanna Thornveld subjected to different burning frequencies at Alice in the Eastern Cape
Fire is an important tool for the management of grazed savanna grasslands in the Eastern Cape, South Africa. The aim of this study was to quantify the influence of veld burning frequency on soil properties especially organic matter, pH, exchangeable Ca, Mg, K, Na and extractable P. Soil samples were collected from different depths in plots of a 17-year old experiment where burning frequencies were: no burning (B0), annual (B1), triennial (B3) and sexennial (B6). A land under continuous grazing and not burned (G) and strips between the plots (R) were also sampled for comparison. Burning significantly (p G>B3>B6>B1>R. The trend in the distribut...
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