说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 水耕土
1)  Water mold
水耕土
2)  Stagnic anthrosols
水耕人为土
1.
Electrical conductivity and fertility evaluation of stagnic anthrosols in the typical region of upper reaches of the Yangtze river;
长江上游典型区水耕人为土的电导率与肥力评价探讨
2.
Features of Microstructure of Diagnostic Horizons and Lower Categorical Classification of Stagnic Anthrosols in Chengdu Plain;
成都平原水耕人为土诊断层的微形态特征与土壤基层分类
3.
Soil Properties and SEM Features of Diagnostic Horizon of Stagnic Anthrosols in Southwestern,China
西南地区水耕人为土诊断层土壤特性及SEM特征
3)  hydragric anthrosols
水耕人为土
1.
Soil Classification of Main Hydragric Anthrosols in the Chengdu Plain;
成都平原主要水耕人为土土系的划分研究
2.
A detailed description is given in this paper of the selection process for classification factors on soil series of hydragric anthrosols (or paddy soils), with 10 typical soil samples on Chengdu Plain as case study, based on the summing-up of the relevant selection principles and bases.
在总结水耕人为土土系划分指标选取原则及依据的基础上,以成都平原10个典型土样为例,详细阐述了指标选取过程。
3.
The micro-tructureofseveraltypicalredoxi-orphicfeaturesofHydragric Anthrosols were analyzed by combining micro-orphological observation and Electronic Energy Disperse Spectrometer (EDS) determination of micro-one chemical composition.
结合微形态观察和特征微区化学成分的电子能谱测定,对水耕人为土几种典型的氧化还原形态特征的结构进行了解析,并在此基础上提出了它们的形成机理。
4)  conservation tillage
水土保持耕作
1.
Effects of conservation tillage on the photosynthesis,transpiration and water use efficiency of summer sown Glucine max;
水土保持耕作对夏种大豆光合、蒸腾及水分利用效率的影响
5)  purple stagnic anthrosols
紫色水耕人为土
6)  ancient stagnic anthrosols
古水耕人为土
1.
The typical ancient stagnic anthrosols of Sanxingdui site had been selected to probe the diagnostic horizons characteristics and forming processes, results showed that the ancient stagnic anthrosols which were formed in long time and high developmental degree had the characteristics of obviously horizons differentiation.
选定广汉三星堆遗址的典型古水耕人为土,研究剖面的诊断层特性与形成过程,取得了以下主要研究结果:形成时期长、发育程度高的古水耕人为土,在土壤剖面形态和特性上,表现出明显的层次分化。
补充资料:水耕法
分子式:
CAS号:

性质:又称水耕法或营养液栽培。利用营养液栽培植物的方法。无土栽培分两大类。(1)固体培养:用砂、砾石、蛭石、锯木屑、泡沫塑料、珍珠岩、岩棉等惰性物质作为固定植株和根系生长的基质浇入营养液后栽培植物的一种方法。营养液从上面浇入、滴入或从下面灌入,定期供液。不供液时根部通气良好。此法用于试验和生产。(2)水培:不用惰性固体基质而是直接将植物根部浸入装有营养液的容器中进行栽培的方法。栽培期间要及时往营养液中打气供氧、调整pH值、更新营养液。此法多用于植物营养、生理和病理试验研究。在固体培养和水培的基础上发展了一种无土栽培的新技术——营养膜(NFT)栽培。营养液在水泵的驱动下在培养槽底面形成薄层并不断流过根系,反复循环。植株在液面上的根系便形成一层根垫,裸露于湿润的空气中,获得足够的氧气;接触液膜的根,从营养液中不断吸取矿质养分。营养液中含有植物生长发育必需的营养元素:氮、磷、钾、钙、镁、硼、铁、铜、钼等。pH值5.5~7.0,且渗透压要小于植物细胞的渗透压,否则引起植株体液外渗,使植物萎蔫。

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