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首页> 外文期刊>Acta horticulturae et regiotecturae >TESTING BIOCHAR AS A POSSIBLE WAY TO AMELIORATE SLIGHTLY ACIDIC SOIL AT THE RESEARCH FIELD LOCATED IN THE DANUBIAN LOWLAND
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TESTING BIOCHAR AS A POSSIBLE WAY TO AMELIORATE SLIGHTLY ACIDIC SOIL AT THE RESEARCH FIELD LOCATED IN THE DANUBIAN LOWLAND

机译：在DANUBIAN LOWLAND的研究现场测试生物炭作为改善微酸性土壤的一种可行方法

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摘要

One-year field experiment with spring barley (Hordeum vulgare L.) was carried out to evaluate the effect of biochar amendment on the pH of Orthic Luvisol at the research site located in western Slovakia (lat. 48° 19' 00"; Ion. 18° 09' 00"). Biocharwith higher pH (8.8) was applied to slightly acidic soils with the initial pH at 5.6. The field experiment consisted of control, 10 and 201 ha 1 (B0, B10, B20) of biochar application to soils combined with three levels of nitrogen fertilization (0,40 and80 kg N ha') (NO, N40, N80).The soil pH (KCI) at depth 0-10 cm was measured once a month (March - October, 2014). Application of both biochar rates (10 and 201 ha~(-1)) increased pH (in all months) with the magnitude of 0.13-1.09 units in all three fertilization levels (0,40 and 80 kg N ha~(-1)) compared to the control one. However, the significant increase (p <0.05) was found only in the treatment B10N0 (3 of 8 measurement events) and B20N0 (6 of 8 measurements) when no nitrogen was applied and in thetreatment B20N80 (5 of 8 measurements) when 80 kg of nitrogen was applied. According to this, the biochar incorporation to soil can be suggested as a possible way to ameliorate soils and may be effective in increasing soil pH.
机译：在斯洛伐克西部（纬度48°19'00“;离子）进行了为期一年的大麦大麦田野试验，以评估生物炭改良剂对邻位Luvisol pH的影响。 18°09'00“）。将具有较高pH（8.8）的生物炭应用于初始pH为5.6的弱酸性土壤。田间试验包括对照，向土壤施用生物炭10和201 ha 1（B0，B10，B20）以及三级氮肥（0,40和80 kg N ha'）（NO，N40，N80）。每月一次（2014年3月-10月）测量0-10厘米深度处的土壤pH（KCI）。在三个施肥水平（0,40和80 kg N ha〜（-1））下，施用两种生物炭速率（10和201 ha〜（-1））均提高了pH（在所有月份中），幅度为0.13-1.09个单位。 ）相比于对照组。但是，仅在不施用氮的情况下，在处理B10N0（8个测量事件中的3个）和B20N0（8个测量中的6个）中和在处理B20N80（80个测量中的5个）中，才显着增加（p <0.05）施氮。据此，可以建议将生物炭掺入土壤中作为改善土壤的一种可能方式，并且可以有效地提高土壤的pH值。

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