研究文章

土壤磷池和化学性质的变化在李明Nitisols Farawocha,南埃塞俄比亚

表5

相关性(Pearson)的石灰土壤化学性质。

B CEC Ca 石灰 毫克 OC TN 年代 pH值 K Av P。 例如酸度 例Al 例H

CEC 0.4674NS
Ca 0.9250 0.6151
0.9871 0.5326NS 0.9634
−0.9693 −0.4298NS −0.9570 −0.9803
石灰 0.9097 0.6431 0.9987 0.9518 −0.9415
毫克 0.9355 0.6191 0.9975 0.9721 −0.9582 0.9952
−0.9727 −0.6215 −0.9430 −0.9709 0.9383 −0.9368 −0.9495
Oc −0.7427 −0.7876 −0.9222 −0.8030 0.7899 −0.9385 −0.9087 0.8370
TN 0.0415NS 0.0530NS 0.0009NS 0.0644NS 0.0402NS 0.0000NS 0.0228NS 0.0011NS 0.1045NS
年代 0.8995 0.6172 0.9869 0.9432 −0.9232 0.9887 0.9830 −0.9153 −0.9127 0.1120NS
0.9773 0.4082NS 0.9471 0.9845 −0.9973 0.9299 0.9523 −0.9371 −0.7604 0.0090NS 0.9163
pH值 0.9456 0.5862 0.9941 0.9725 −0.9633 0.9908 0.9920 −0.9576 −0.8987 0.0488NS 0.9873 0.9569
K 0.8850 0.5473NS 0.7397 0.8387 −0.7694 0.7309 0.7562 −0.9149 −0.6150 −0.0176NS 0.7115 0.7787 0.7743
Av P。 0.9358 0.6397 0.9931 0.9676 −0.9446 0.9929 0.9939 −0.9636 −0.9155 0.0071NS 0.9801 0.9378 0.9900 0.7935
例如酸度 −0.9752 −0.4796NS −0.8512 −0.9421 0.9042 −0.8361 −0.8652 0.9667 0.6756 −0.0105NS −0.8199 −0.9144 −0.8808 −0.9630 0.8825
例Al −0.4713NS −0.2316NS −0.6590 −0.5629NS 0.6608 −0.6522 −0.6390 0.4821NS 0.6253 0.2407NS −0.6055 −0.6299 −0.6159 −0.1654NS −0.6015 0.3436NS
例H −0.9658 −0.4776NS −0.8322 −0.9285 0.8863 −0.8173 −0.8469 0.9596 0.6578 −0.0114NS −0.8013 −0.8974 −0.8640 −0.9719 −0.8672 0.9992 0.3112NS
Na −0.1520NS −0.7923 −0.4251NS −0.2612NS 0.1798NS −0.4616NS −0.4244NS 0.2689NS 0.6396 −0.2419NS −0.4879NS −0.1601NS −0.3861NS −0.0777NS −0.4113NS 0.0716NS 0.2117NS 0.0580NS

意义在5%的水平; 意义在1%的水平; 意义在0.1%的水平。NS:不重要。