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- DCCA ordination showed that soil organic matter content was the decisive factor to the development of communities. DCCA排序进一步表明了土壤有机质含量是所有因子中对植物群落发展起决定性作用的主要环境因素.
- The organic matter content of soil is relative with the buffer action of acid and alkali of soil. 此外,土壤有机质含量的高低与其对酸碱的缓冲能力成相关。
- The nitrate content in turnip was reduced,while soil organic matter content in the rhizosphere was signifi... 施用有机肥料萝卜的硝酸盐含量明显下降,当季作物收获后根际土壤有机质含量明显提高。
- The factors mainly include soil acidifying, higher organic matter content in the soil, lead of precipitum in the air and the processing of the tea leaves in the factory. 这些来源主要包括:茶园土壤酸化和较高的有机质含量,大气沉降物中的铅和茶叶的加工过程。
- Quantitively studied the solidification effect of different organic matter content silt, make clear the relationship of organic matter content and solidification effect. 定量的研究有机质含量不同的淤泥固化效果,明确了有机质含量与淤泥固化效果之间的关系。
- The nitrate content in turnip was reduced, while soil organic matter content in the rhizosphere was significantly increased by using organic manure. 施用有机肥料萝卜的硝酸盐含量明显下降,当季作物收获后根际土壤有机质含量明显提高。
- The rice yield of R3 was higher than that of R1 and R2, possibly because of the higher organic matter content this system maintained in R3. R3轮作中的水稻产量比R1、R2都高,这可能与R3中土壤有机质保持高含量有关。
- The principles and methods were introduced for measuring soil organic matter content with the aid of spectrum data diffusely reflected by the soil. 摘要阐述了利用有机质的反射光谱特性对土壤有机质含量进行测定的原理及方法。
- If organic matter content greater than 2%,the rate of supper tobacco was not raised notability by applying cake fertilizer. 土壤有机质含量在2%25以上,增施饼肥对上等烟的比例没有明显影响。
- COD is defined as a measure of the oxygen equivalent of the organic matter content of a sample that is susceptible to oxidation by a strong chemical oxidant. cod定义为样本有机物含量的氧气当量的测量标准,该样本对高浓度的氧化物很敏感。
- The factors mainly include soil acidifying,higher organic matter content in the soil,lead of precipitum in the air and the processing of the tea leaves in the factory. 这些来源主要包括:茶园土壤酸化和较高的有机质含量,大气沉降物中的铅和茶叶的加工过程。
- This paper concerns water situation,soil constitution,PH value,organic matter content and humic composition of chernozem under different artificial forest. 本文对不同人工林下黑土的水分状况、土壤结构、酸碱性、有机质含量及腐殖质组成进行了研究。
- It means that the property of landfill leachate influences the organic matter content in the vadose zone;furthermore silt would more likely exaggerate the effects more than clay. 即渗滤液性质对包气带介质中有机物含量具有方向性的影响作用,而包气带介质亚粘土比细砂更容易放大这种作用效果。
- The carbonate rocks in the Lower Ordovician Majiagou Formation of Ordos Basin are widely distributed , but their organic matter content is low and maturation high. 鄂尔多斯盆地下奥陶统马家沟组碳酸盐岩分布广,但有机质丰度较低,且成熟度高。
- Due to its characteristics of perishability, low heat value and high organic matter content, etc, organic wastes cannot be easily disposed by sanitary landfill and incineration. 有机垃圾具有易腐烂、热值低、有机质含量丰富等特点,常规的填埋和焚烧难以妥善处理。
- Soil organic matter contents can also be raised through continuously plowing under stalks into land. 同时,近年来秸秆还田的增加有助于提高土壤有机质含量。
- In addition,AE increased markedly with increment of organic matter content of food(POM/TPM),which could be described as the logarithmic equation AE=85.112 0+23.337 5 lnX(R2=0.958,P<0.05). 河蚬的同化率随着饵料中有机物含量(POM/TPM)的增加而增加;两者间的回归方程为:AE=85.;112 0+23
- Permafrost environment is not favorable for salt ions transport and organic decomposition, and the salt content and organic matter content in permafrost is higher than that in unfrozen soils. 冻土环境不利于可溶盐离子及有机质的迁移与分解,冻土中各点含盐量及有机质含量高于融土。
- The influence of organic matter content in soil on diesel volatilization was conducted, and the results showed that the high organic matter in soil can restrain the diesel oil evaporate from the soil. 在有机质质量分数不同的土壤中进行了柴油挥发试验,结果表明高有机质会抑制土壤中的柴油的挥发。
- Since the organic matter content of peat was higher than that of commercial organic fertilizer, the decrease of extractable phenanthrene in soils added with peat was more significant. 由于泥炭的有机质含量高于有机商品肥,施加泥炭的土样中可萃取态残留菲的降幅更大;