1) soil degradation
地力衰退
1.
Soil degradation and sustainable management of Chinese fir plantation.;
杉木人工林地力衰退与可持续经营
2.
The soil degradation of Eucalyptus plantation was evaluated from water status, nutrition status and the integrated effect of plantation on water and fertility.
从桉树人工林的水分、养分状况以及人工林对水肥的综合影响上评述了桉树人工林的地力衰退表现; 进而, 以生物多样性作为关键因素, 分析了桉树人工林地上部分及土壤部分生物多样性的特点, 以及导致人工林生物多样性较低的原因, 从而提出制止桉树人工林地力衰退的 3方面的措施。
3.
The paper analyzed the cause and countermeasure of soil degradation and yield reduction of artificial fir plantation in recent years and its solutions, it was summarized that increasing wood yield need to pay great attention to the quality of artificial fir plantation, and improving soil power must attend to the selection, crop rotation and mixture of tree species and fertilizing of wood land.
分析了最近一段时期里人工杉木林的地力衰退及木材产量下降的原因并探寻解决的办法,得出要想提高木材产量就需要重视林地的质量,而提高地力就必须注意到树种的选择、树种的轮种、树种的混交及向林地施肥等因素。
3) land capability decline of plantation
人工林地力衰退
1.
The results of study on the land capability decline of continuous cropping of Larix and Cunninghamia lanceolata showed that the imbalance of bio_cycle and improper cultivation technology were the main causes of land capability decline of plantation.
人工林地力衰退主要表现为土壤剖面逆向发育 ,土壤理化性质变差 ,有机质和养分状况恶化 ,人工林生产力下降等。
4) Hearing-loss
听力衰退
5) fading resistance
衰退抗力
6) aneuria
[英][ə'nu:ri:ə] [美][ə'nurɪə]
脑力衰退
补充资料：地力分级施肥法
分子式：
CAS号：
性质：合理施肥的技术方法之一。按土壤肥力高低分成若干等级，或划定一个肥力大致相等的田片，作为一个配方施肥区。利用土壤养分普查资料和当地大田肥效试验结果，并结合当地农民施肥实践经验，制定出配方施肥区的施肥方案，包括选择合理的肥料品种、施肥量和养分配比。
CAS号：
性质：合理施肥的技术方法之一。按土壤肥力高低分成若干等级，或划定一个肥力大致相等的田片，作为一个配方施肥区。利用土壤养分普查资料和当地大田肥效试验结果，并结合当地农民施肥实践经验，制定出配方施肥区的施肥方案，包括选择合理的肥料品种、施肥量和养分配比。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条