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生物园是学生观察实验的重要场所。对生物园进行科学的管理,是保证生物园正常使用的前提。各科植物管理的说明如下: 1:菊科 代表品种:向日葵、菊花。 (1)向日葵:春季播种,适宜杂质肥做为底肥;生长过程需充足的氮肥、钾肥;开花结果时多施磷肥,因根系发达,不宜搞花坛,怕渍不怕干。开花结果时易受蚜虫侵害,用“乐果”灭之。
Biological Park is an important place for students to observe experiments. Scientific management of biological gardens is a prerequisite for ensuring the normal use of biological gardens. The description of the management of plants in each subject is as follows: 1: Compositae Representative varieties: sunflower, chrysanthemum. (1) Sunflower: sowing in the spring, suitable as the base fertilizer for the impurity fertilizer; the growth process requires sufficient nitrogen fertilizer and potassium fertilizer; when the flowering result is applied, the phosphate fertilizer is applied more, because the root system is developed, it is not suitable to engage in flower beds, and fear that the stain is not afraid of dryness. The flowering result is susceptible to locust infestation and is destroyed with “dimethoate”.