等有机质 ![]()
土有效磷和无机磷形态的关系
李若楠,王政培,BATBAYARJavkhlan,张东杰,张树兰,杨学云(
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Relationship Between Soil Available Phosphorus and Inorganic Phosphorus Forms Under Equivalent Organic Matter Condition in a Tier Soil
LI RuoNan,WANG ZhengPei,BATBAYAR Javkhlan,ZHANG DongJie,ZHANG ShuLan,YANG XueYun()
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图2. 不同有效磷水平土各形态无机磷含量
图中不同小写字母表示同一形态磷在不同磷梯度土壤样品间差异达显著（5%）
Fig. 2. Content of different forms of inorganic phosphorus in a tier soil with a gradient of Olsen P level
Different lower-case letters on top of the bars represent significant difference of the phosphorus fraction between the soil samples in question (P＜5%)
