The system depends on user rank to allocate different rights to them, while a user score is used to access valuable weather, soil and crop data.
系统前台的用户注册登录，可以实现网站的用户人数，身份等统计，通过用户级别来分配不同的使用权限；
2
Spearman rank correlation test implied that, harvesting propelled the spatial correlation to create for soil nutrients, however, which were related substantial nutrients considered.