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闵行区青菜灌溉水肥情况研究简报

Shanghai Agricultural Science and Technology(2016)

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Abstract
为解决上海闵行区菜农种菜施肥混乱、灌溉方式落后等问题,对闵行区菜田的土壤养分、青菜栽培模式、灌溉方式及施肥情况进行了调查研究.结果发现,闵行区菜田土壤中磷、钾含量达国家Ⅰ级标准,有机质和氮含量各不相同;青菜栽培模式较为统一,株行距为15 1cm×18 cm;闵行区各园艺场均配备了设施化栽培的条件,喷灌、滴灌及渗灌等灌溉设备配备齐全,但喷灌是最适宜青菜栽培的灌溉方式;青菜施肥模式为底肥加追肥,氮肥施用量过高,磷、钾肥的施用比例也高于标准.
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