| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| different layers of soil profile | 0.71 | 0.6 | 3032 | 97 |
| soil profile layers description | 1.87 | 0.3 | 3866 | 26 |
| explain each layer of the soil profile | 1.24 | 0.3 | 12 | 40 |
| which three layers form the soil profile | 1.63 | 0.5 | 9184 | 99 |
| a soil profile consists of | 0.76 | 0.4 | 4053 | 48 |
| soil profile each layer importance | 0.53 | 0.1 | 4126 | 41 |
| a soil profile is shown in figure | 1.86 | 1 | 3046 | 100 |
| a typical soil profile | 1.7 | 0.7 | 6680 | 6 |
| a soil profile is | 1.41 | 0.6 | 14 | 54 |
| how many layers of soil are there | 1.93 | 0.7 | 1702 | 50 |
| how is soil profile formed | 0.86 | 0.2 | 5655 | 46 |
| soil profile in detail | 0.16 | 0.3 | 6216 | 26 |
| soil profile in geology | 1.22 | 0.3 | 4852 | 56 |
| facts about soil profile | 0.15 | 1 | 6643 | 2 |
| soil profile horizon layers | 1.45 | 0.3 | 3810 | 49 |
| questions on soil profile | 1.56 | 0.6 | 4782 | 85 |
| picture of soil profile | 1.81 | 0.8 | 9811 | 65 |
| types of soil profiles | 1.06 | 0.6 | 7938 | 10 |
| diagram of soil profile | 0.95 | 0.8 | 64 | 43 |
| different layers of a soil profile | 1.7 | 0.7 | 3000 | 20 |
| the different layers of soil | 1.08 | 0.4 | 3478 | 47 |
| distinct layers of soil | 1.43 | 0.6 | 3662 | 48 |
| types of soil layers | 1.36 | 0.1 | 2010 | 71 |
| layers of soil names | 1.04 | 1 | 7166 | 60 |
