粉粒含量(%) (0)
耕层厚度(cm) (1)
 |
≤8.0 |
 |
8.0-12.0 |
 |
12.0-16.0 |
 |
16.0-20.0 |
黏粒含量(%) (2)
全氮含量(g_kg) (3)
 |
≤0.75 |
 |
0.75-1.00 |
 |
1.00-1.50 |
 |
1.50-2.00 |
 |
＞2.00 |
全钾含量(g_kg) (4)
 |
10.0-15.0 |
 |
15.0-20.0 |
 |
20.0-25.0 |
 |
＞25.0 |
全磷含量(g_kg) (5)
 |
≤0.40 |
 |
0.40-0.60 |
 |
0.60-0.80 |
 |
0.80-1.00 |
 |
＞1.00 |
砂粒含量(%) (6)
速效钾含量(mg_kg) (7)
 |
≤75 |
 |
75-100 |
 |
100-125 |
 |
125-150 |
 |
>150 |
酸碱度 (8)
 |
4.5-5.5 |
 |
5.5-6.5 |
 |
6.5-7.5 |
 |
7.5-8.5 |
阳离子交换量(cmol_kg) (9)
 |
≤5.0 |
 |
5.0-10.0 |
 |
10.0-20.0 |
 |
20.0-30.0 |
 |
>30.0 |
有效磷含量(mg_kg) (10)
 |
≤10.0 |
 |
10.0-15.0 |
 |
15.0-25.0 |
 |
25.0-35.0 |
 |
>35.0 |
质地 (11)
 |
壤土 |
 |
黏壤土 |
 |
粉（砂）质黏壤土 |
 |
壤质黏土 |
 |
粉（砂）质黏土 |
 |
黏土 |
有机质含量(g_kg) (12)
 |
≤10.0 |
 |
10.0-15.0 |
 |
15.0-25.0 |
 |
25.0-35.0 |
 |
>35.0 |
|
