在直播造林和育苗中,正确计算单位面积的播种量,是一件很重要的工作。因为它不仅关系着合理使用种子,减少损失浪费,而且还能推动造林、育苗工作的进度和保证任务的顺利完成。尤其是在目前种子远远不能满足需要的情况下,计算确定最适宜的播种量,有着更重大的现实意义。 In live afforestation and nursery, the correct calculation of the unit area of ​​seeding rate is a very important task. Because it is not only related to the rational use of seeds, reduce the loss of waste, but also promote afforestation, nursery work progress and ensure the successful completion of the task. Especially in the current situation that the seeds are far from enough to meet the needs, it is of greater practical significance to calculate and determine the most suitable seeding rate.