| 1. | Summarize on fertilizing soil by returning maize straw to infield 玉米秸秆还田培肥地力研究综述 |
| 2. | Study on the test of free - planting sewer covered by maize straws 玉米秸杆覆盖下小麦免耕播种机的试验研究 |
| 3. | Developing direction of process and store industrialization of maize straw forage grass 论玉米秸秆饲草加工贮存产业化发展方向 |
| 4. | Design and research of directly the seeder on high wheat stubble field and maize straw return field 高麦茬地和玉米秸秆还田地直播播种机的设计研究 |
| 5. | Studies on the law of the growth and development of agaricus bisporusin different maize straw formulae 双孢蘑菇在不同玉米秸秆配料中生长发育规律的研究 |
| 6. | A no - till planter was designed that can work on the field bestrewing whole maize straw 摘要设计了一种能够用于玉米收获后,秸秆直立状态下的免耕播种机。 |
| 7. | The status and countermeasures of mechanization technique extension for maize straw giving back farmland in qufu city 曲阜市玉米秸秆还田机械化技术推广现状及发展对策 |
| 8. | Soil organic matter can be regarded as one of soil fertility index , so manure culture and maize straw treatment is beneficial for soil fertility 土壤有机质可作为土壤肥力指标之一,所以采取有机肥培肥和秸秆还田的培肥模式,有利于培肥土壤,提高土壤肥力。 |
| 9. | Manure culture , normal chemical fertilizer culture , maize straw can all improve soil organic matter , soil total nitrogen and soil total phosphorus which will decrease if maize is continuously planted without any fertilizer . appliant : qi zhiyong major : ecology supervisor : prof . wang hongyan 不论有机肥料或化学肥料,对玉米都有较好的增产效果,且两者的增产效果没有差别,作物产量和土壤有机质含量、全氮、全磷含量呈显著正相关。 |
| 10. | The effect of different fertilization patterns ( such as normal chemical fertilizer , maize straw and farm manure ) on soil respiration has been measured by the method of static chamber alkaline absorbing and the difference of soil carbon cycle has been analyzed by quantity . by studying the effect of different fertilization patterns on soil nutrients and yield , the sustainable fertilization patterns of farm ecosystem was explored , especially supply the practical direction and theory guiding for developing ecological agriculture and organic agriculture 本试验在不同培肥模式下(常规化肥培肥、秸秆还田、农肥培肥) ,通过研究不同培肥模式对土壤呼吸速率的影响,定量分析比较各培肥模式下玉米田生态系统土壤碳循环变化差异;研究不同培肥模式对土壤养分和产量的影响,探讨可持续发展的农田生态系统培肥模式,特别是为发展生态农业和有机农业提供理论依据和实践指导。 |