冬季温床育苗,为了提高育苗质量,应做到以下“五注意”。 一、注意选择地势。冬季低温,光照短,应选在背风向阳、地势高燥的地方建床,无条件的可在北面建立一个风障,以利增加光照和提高温度。 二、注意温床结构。一般可选半地下式温床结构,即床土应低于地面,支架在地面 Winter hotbed nursery, in order to improve the quality of nursery, should do the following “five note.” First, pay attention to choose the topography. In winter, when the temperature is low and the light is short, a bed should be built in the leeward, high and dry places. Unconditionally, a wind barrier can be established to the north to increase the light and raise the temperature. Second, pay attention to hotbed structure. Generally optional semi-subterranean hotbed structure, that bed soil should be below the ground, the support on the ground