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冬季蔬菜施肥,需要注意什么?

時間:2020-03-28 瀏覽:3366次
內容介紹

冬季蔬菜追肥留意選用速效肥冬季氣溫低,微生物活動能力減弱,需要轉化的肥類肥效慢,而冬播作物生長,需要充分的肥分,解決抵觸的方法是追施速效肥料。

氮素化肥可選用碳酸氫銨;磷肥盡可能選用過磷酸鈣;鉀肥可選用氯化鉀(但馬鈴薯、西紅柿等忌氯作物生長中后期宜選用硫酸鉀);施用復合肥可選用45%三元復合肥;農家肥可用腐熟的人糞尿。


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