| 1. | Some plants had single peaks each month , but others had two peaks per month
除狼牙刺外，所有植物日平均蒸腾速率均在8月最低。 |
| 2. | Dynamics of sophora davidii population in a hilly region closed for thirty years in loess plateau
黄土高原丘陵沟壑区封禁30年前后狼牙刺种群动态研究 |
| 3. | After two years , it did n ' t develop further . s . viciifolia has a balance with rainfall . 5
狼牙刺与降水处于一种平衡状态，并按其固有的自然规律演替和发展。 |
| 4. | The status of plot determines the plant ' s growth rate . there is a big difference among species ( including 16 fccsetcses )
各年龄狼牙刺和柠条之间物种组成有显著差别，相似性系数在0 . 23 0 . 39之间。 |
| 5. | Both s . viciifolia and caraganar have good activation to quik - result phosphorus . in addition , s . viciifolia can improve soil physical properties
狼牙刺对土壤物理性状有一定改善作用， 0一zocm土层中， > 2 |
| 6. | The amount of water consumption of s . viciifolia through evaporation and transpiration is 523 - 590mm , the depth of water consumption is about 2 . 5m , which is closer to caraganar ' s
狼牙刺正午水势较黎明前水势稳定，规律性好，是反映其水分特征的更为有效的指标。 |
| 7. | The content of soil water in the 10m profile shows : the content of soil water is high in 4 - 6m , there is a soil - drying - layer in 6 - 8m profile which was formed in the frontal stage of s . viciifolia growth
和柠条相比，狼牙刺地浅层( 3m内)土壤水分亏缺程度较轻，干层超过10m ，比同龄的柠条要深。 |
| 8. | The content of soil nutrients in 0 - 20cm profile is higher than that of 20 - 60cm profile . in the s . viciifolia plot , there are more organic matter , the whole nitrogen , quik - result nitrogen , quik - result kalium
狼牙刺各样地内， o一zocm剖面土壤养分高于20一6ocm ，土壤有机质、全氮、碱解氮高于对照撂荒地。 |
| 9. | The above - ground biomass amount is between 11 . 81 - 109 . 15t / hm2 . s . viciifolia hance has good funcjtion for soil and water conservation . at present , it is on the frontal stage of natural vegetation succession , the ground - diameter is keeping linear growth
狼牙刺个体地径随年龄增长保持直线生长，立地条件的优劣对生长速度有重要影响，生长速度顺序为： 14龄狼牙刺6龄狼牙刺17龄狼牙刺。 |
| 10. | The whole water is supplied by rainfall . s . viciifolia endured slightly water coerce . the water wane of s . viciifolia is less than caraganar ' s , they adapt the specific soil water situation under different species composition , population density and vegetation coverage
在整个生长季内，狼牙刺受不同程度的水分胁迫，但在不同立地条件下，通过不同的密度、物种组成及植被盖度，从而适应特定的水分环境条件。 |
