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冬季蔬菜施肥，需要注意什么？

時間：2020-03-28 瀏覽：2865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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