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Study on optimizing fertilization technique for cultivating seedlings of cucumber in the dishes
Author(s): 
Pages: 75-78
Year: Issue:  2
Journal: ACTA AGRICULTURAE ZHEJIANGENSIS

Keyword:  黄瓜穴盘育苗施肥施用量;
Abstract: 以草炭、珍珠岩为育苗基质,综合操作管理和施肥方面因素后得知,最佳的施肥方式是肥料与基质直接混合.在基质中施用100~200 mg/L的有效磷即可满足黄瓜的苗期生长需要,但磷的施用量提高到 500 mg/L有助于根系的发育、干物质的积累和壮苗指数的提高,提高到1 000 mg/L时除根系发育外,其它方面的正面效果不明显.黄瓜幼苗植株中的磷浓度随磷肥用量的增加而增加,但高磷抑制幼苗对氮、钾的吸收.因此,在黄瓜穴盘育苗中,最佳的N,P2O5,K2O的施用量分别为200,100,200 mg/L.
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