| 1. | Effects of soil depth on decay speed of straw
土壤深度对还田秸秆腐解速度的影响 |
| 2. | Temperature observed in the interior of the soil at different depths
在不同土壤深度观测到的温度。 |
| 3. | The main results of this work are as follows : 1
~ 7be在土壤剖面中的含量随土壤深度的增加呈指数递减。 |
| 4. | The nuggets of soil properties have different changing rule with depth of profile
块金值随土壤深度变化规律不同。 |
| 5. | Aerobic nitrogen fixing bacteria were not found in the soil of alpine meadow ecosystem
Cm土壤层最高，且均随着土壤深度的加深而减少。 |
| 6. | The numbers of phosphate - solubilizing bacteria were decreased rapidly with the increase of soil depth
随着土壤深度的增加，溶磷细菌的数量急剧下降，其中 |
| 7. | But the correlation between co2 concentration in the bottom soil and temperature is not significant
随着土壤深度增加，这种相关程度降低。此外，土壤co 。 |
| 8. | Most of nitrogen metabolic microorganisms are located in the surface layer and decrease sharply with depth
46 . 39 % 。植物根的分解速率随着土壤深度增加而减小。 |
| 9. | Fig . 4 . pycnidiospore survival of didymella bryoniae placed at soil surface , 5 , 15 , and 30cm below ground at field
四、在土壤表面、地表下5 、 15及30公分土壤深度的瓜类蔓枯病菌柄孢子存活情形。 |
| 10. | The range of bulk density is decreased with depth , and the range of soil water properties fluctuate with depth
从变程上看，容重的变程随剖面深度而降低，土壤水分特性的变程随土壤深度呈波动变化。 |
