| 1. | The distance of the water table below the soil surface must be adjusted .
必须调整土壤表面以下水位的距离。 |
| 2. | Effects of tillage practices on temporal variations of soil surface properties
夏玉米耕作方式对耕层土壤特性时间变异性的影响 |
| 3. | Effects of consolidation ratios of sands on dynamic shear modulus and response spectrum of soil surface
固结比对砂土动剪切模量及地表反应谱的影响 |
| 4. | Effect of gypsum on improving basified soil soil column made by applying fixed quantity gypsum to basified soil surface
碱化土壤表面施用定量石膏的土柱系列 |
| 5. | So as to estimate evaporation power of heterogeneous soil surface more efficiently , the k - b model is improved
为了更有效地计算非均匀地表蒸发力，对现行的k - b模式加以改进。 |
| 6. | 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。 |
| 7. | On the contrary , the latent heat and sensible heat on a clear day is 60 % and 19 % of net radiation above bare soil surface
就平均状况而言，潜热、显热和土壤热通分别占到净辐射的40 、 50和10 。 |
| 8. | Validation of the presented approach is verified through numerical simulations of radar measurements over the bare soil surfaces
本研究以裸露土之土壤?度及其雷达散射系数的数值模拟来验证此一方法之有效性。 |
| 9. | Validation of the presented approach is verified through numerical simulations of radar measurements over the bare soil surfaces
本研究以裸露土之土壤湿度及其雷达散射系数的数值仿真来验证此一方法之有效性。 |
| 10. | Study on controlling weeds in soybean land by covering soil surface with sprays of 50 ec of prometryne , 2 , 4 - d and acetochlor between sowing and emergence
乙183 ;二183 ;扑乳油播后苗前土壤封闭防除大豆田杂草田间药效试验 |
