许多学校由於缺乏温室、温床和(?)熱物,不能培育蔬菜幼苗而向其他机关购员。但是某些蔬菜的幼苗即使没有特殊的设备而利用任何大小的箱子、玻璃框和锯屑也能够培育. (?)如,在1954年当培育甘藍(早熟品种和晚熟品种)幼苗的时候,我们去到少年博物学家中央试验站。在 Many schools purchase shopkeepers from other agencies because of the lack of greenhouses, hotbeds and hot fixtures, and the inability to grow vegetable seedlings. However, the seedlings of some vegetables can be cultivated using any size box, bezel and sawdust even without special equipment. (?) For example, when cultivating cabbage (precocious and late-maturing) seedlings in 1954, Go to the juvenile naturalist central pilot station. in