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Issue:
Soil fertility of vegetable base in Xiangyin county,Hunan
Author(s):
WANG Guoan
,
JIANG Jianren
,
ZHOU Qiulin
,
YIN Ping
,
WU Yong
Pages:
79
-
81
Year:
2008
Issue:
5
Journal:
HUNAN AGRICULTURAL SCIENCES
Keyword:
蔬菜基地
;
土壤养分
;
土壤肥力
;
化肥
;
有机肥
;
Abstract:
湘阴县湖区蔬菜基地施用化学氮、磷、钾肥和有机肥都比较多,土壤碱解氮、有效磷、速效钾和有机质平均含量处于极高水平,为高肥力土壤.蔬菜地肥力水平高于水稻田,其化肥和有机肥施用量也远高于水稻田.调查结果表明蔬菜基地化肥利用率低,氮肥损失多;土壤磷素积累较多,因此应适当减少化肥(尤其是磷肥)施用量.
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