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

Relationship Between Soil Available Phosphorus and Inorganic Phosphorus Forms Under Equivalent Organic Matter Condition in a Tier Soil
RuoNan LI,ZhengPei WANG,Javkhlan BATBAYAR,DongJie ZHANG,ShuLan ZHANG,XueYun YANG
表1 陕西关中平原供试土基本化学性质
Table 1 Soil chemical properties of investigated tier soil collected in Guanzhong Plain of Shaanxi Province
土壤样品
Soil sample
有效磷含量
Olsen P
(mg·kg-1)
有机碳含量
SOC
(g·kg-1)
酸度(1﹕2.5)
pH
全磷含量
Total P
(g·kg-1)
S1 10.73 10.68 7.41 0.95
S2 18.06 10.34 7.29 0.96
S3 20.61 10.21 7.10 0.86
S4 24.01 10.54 7.86 1.08
S5 30.73 10.06 8.04 1.01
S6 43.69 10.49 7.54 1.24
S7 58.58 10.03 7.87 1.47