|
soil erosion
|
8.10 |
|
Fertile land is running out due to soil erosion. |
|
soil moisture
|
5.99 |
|
Try to keep soil moisture even. |
|
soil sample
|
5.20 |
|
Take soil samples. |
|
soil condition
|
4.02 |
|
The soil conditions are similar. |
|
soil type
|
1.65 |
|
The plant thrives in a wide range of soil types. |
|
soil bacterium
|
1.51 |
|
Normally the common soil bacterium divides by binary fission. |
|
soil test
|
1.51 |
|
A soil test would be beneficial. |
|
soil fertility
|
1.32 |
|
The first is to maintain soil fertility. |
|
soil surface
|
1.18 |
|
Plant so the top of the rhizome is level with the soil surface. |
|
soil temperature
|
1.18 |
|
Students plotted soil temperatures on a graph throughout the school year. |
|
soil mix
|
1.12 |
|
Start your catnip seed in a moist, sterile soil mix. |
|
soil level
|
1.05 |
|
Plant with the neck above the soil level. |
|
soil structure
|
1.05 |
|
Tilth, soil structure, is important. |
|
soil conservation
|
0.72 |
|
This last point is one which is developed here in relation to soil conservation. |
|
soil line
|
0.72 |
|
I saw the wire, about six inches above the soil line. |
|
soil nutrient
|
0.72 |
|
Mulch, as it breaks down, also helps replenish soil nutrients. |
|
soil analysis
|
0.66 |
|
Soil analysis and improvement. |
|
soil degradation
|
0.66 |
|
Fertile lands in the highlands suffer from severe soil degradation, erosion and extensive deforestation. |
|
soil quality
|
0.66 |
|
All farm products and soil quality are closely monitored for metal concentration. |
|
soil acidity
|
0.59 |
|
Soil acidity can alter flower color. |