Total potassium content of all varieties increased from Jul to Dec.
而全钾含量在整个测定期间呈持续升高趋势；
Soil total potassium content, soil available phosphorus, soil total potassium content and soil available potassium, Their variation is not obvious.
而土壤全磷、土壤全钾、土壤有效磷、土壤有效钾随着土壤深度的增加，其变化规律不明显。
Organo mineral compound fertilizers are digested with sulfuric acid hydrogen peroxide and nitric acid perchloric acid respectively and then their total potassium content is determined.
用硫酸—过氧化氢和硝酸—高氯酸分别对有机—无机复混肥料进行消化处理，然后进行总钾含量的测定。
Available potassium and slow-released potassium contents were decreased, and total potassium content was changed insignificantly in the soil of mono-application of nitrogen fertilizer.
单施氮肥的土壤，速效钾、缓效钾含量均降低，全钾含量变化不明显。
Organo mineral compound fertilizers are digested with sulfuric acid hydrogen peroxide and nitric acid perchloric acid, respectively, and then their total potassium content is determined.
用硫酸—过氧化氢和硝酸—高氯酸分别对有机—无机复混肥料进行消化处理，然后进行总钾含量的测定。
The results showed that:1) The high content of nicotine, the low content of total nitrogen and potassium were found in central and south Henan tobacco-growing areas.
结果表明：1）豫中和豫南两个烟区烟叶的烟碱含量均偏高，总氮和钾含量偏低。
The content of total potassium of soil in rhizosphere was lower than in the non-rhizosphere, the decreasing extent of total potassium in enrichment genotype was higher than in the common genotype.
籽粒苋根际土壤的全钾含量却低于非根际土壤，富钾基因型的降低幅度大于一般基因型。
Different combined application fertilizer of potassium, calcium and magnesium had significant effect on the nutrients content and total uptake of nutrients.
钾、钙、镁肥不同配施对烟株养分含量和吸收量均有明显的影响。
Different combined application fertilizer of potassium, calcium and magnesium had significant effect on the nutrients content and total uptake of nutrients.
钾、钙、镁肥不同配施对烟株养分含量和吸收量均有明显的影响。
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