The key periodofelement absorption was plantlet to visible bud stage. Potassium was more important than Nitrogen and Phosphorus for development of bulb.
植株营养吸收的关键时期为幼苗至现蕾期，鳞茎发育对钾营养的需求大于氮和磷。
2
The cell type is a simple element that can contain a range of values from 1 to 9 and a period (.) that represents no value.
单元格类型是一个简单的元素，其中可以包含 1 到 9 的值和点号（.） ，点号表示没有值。
3
You know that it has at least one sentence, so create your command element and insert all of the text before the first period.