unmanured
- unmanured的基本解释
-
-
未施肥的
- 更多网络例句与unmanured相关的网络例句 [注：此内容来源于网络，仅供参考]
-
On the basis of long-term experiment, changes in soil organic C, N and dynamics of soil NO〓-N of cropping systems were investigated in gully area of the Loess Plateau by means of analysis of the 15-year soil samples, crop yield in following crop systems: 1 continuous winter wheat with unmanured , nitrogen, organic manure , phosphorus and organic manure , nitrogen and phosphorus , nitrogen, phosphorus and organic manure , 2 continuous alfalfa, 3 pea-winter wheat rotation, winter wheat-sainfoin rotation, and 4 bare fallow. A model was developed according to the organic C dynamics, and was tested by the long-term experiment.
本文以中国科学院长武试验站的长期试验（始于1985年）为依托，通过对典型处理8-15年的土壤养分、作物产量以及同期降水量等的系统分析，揭示了黄土旱塬区不同种植体系中土壤有机碳、氮的演变规律；阐明了长期施肥条件下土壤硝态氮的迁移积累机理；提出了目前水肥条件下黄土旱塬区冬小麦生产潜力及其提高途径。
- 更多网络解释与unmanured相关的网络解释 [注：此内容来源于网络，仅供参考]
-
unmanured fallow：无肥休闲地
unmanufactured wood 未加工木料 | unmanured fallow 无肥休闲地 | unmanured plot 未施肥的田
-
unmanured plot：未施肥的田
unmanured fallow 无肥休闲地 | unmanured plot 未施肥的田 | unmapped physical storage 非映象物理存取