生物炭及炭基硝酸铵肥料对土壤化学性质及作物产量的影响

被引:103
作者
高海英 [1 ,2 ]
何绪生 [1 ]
陈心想 [1 ]
张雯 [1 ]
耿增超 [1 ]
机构
[1] 西北农林科技大学资源环境学院
[2] 史丹利化肥股份有限公司市场部
关键词
生物炭; 生物炭基硝酸铵; 化学性质; 养分状况; 小麦; 糜子; 作物产量;
D O I
暂无
中图分类号
S143 [化学肥料];
学科分类号
摘要
为了促进生物炭研究和农用,采用盆栽试验研究了两种生物炭基氮肥及相应生物炭对土壤部分化学性质、养分状况及作物产量的影响。试验结果表明:施用生物炭基氮肥可显著提高土壤有机碳含量,提高土壤pH值、阳离子交换量、土壤速效磷、速效钾和矿质态氮含量,增强土壤保肥能力,促进作物增产。生物炭对土壤化学性质和养分状况虽有一定改善作用,但作物增产效应不明显甚至减产。因此,将生物炭与肥料复合制成生物炭基肥料不但可以保持生物炭改良土壤的功能,还可促进作物生长和增产,有利于生物炭农用效益的提升。
引用
收藏
页码:1948 / 1955
页数:8
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