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近年来 ,由于不合理施肥造成蔬菜品质下降 ,菜体硝酸盐含量增加已引起人们广泛关注 ,本文研究了大棚连作黄瓜不同施肥处理间果实中硝酸盐含量变化 ,以期为无公害蔬菜合理施肥提供理论和实践依据。1 材料与方法1 .1 试验材料 黄瓜品种 :长春密刺 ,供试肥料 :生物高效复合菌肥
In recent years, due to unreasonable fertilization caused by the decline in vegetable quality, vegetable nitrate content has caused widespread concern, this article studied the greenhouse cucumber continuous cropping between the different fertilization treatments of nitrate content in order to provide reasonable fertilization for pollution-free vegetables to provide theory And practice basis. 1 Materials and Methods 1.1 Test Materials Cucumber varieties: Changchun dense thorns, test fertilizer: bio-efficient compound fertilizer