You could mask the other plants while you spray the Irish moss. Otherwise, the only other alternative is to pull it up, roots and all. In any case, you may cause some damage to the other plants but in the long run they will do better with less competition.
Yes it can be. To get the best results when using Roundup you will want the temperatures to be between 65-85 degrees. Roundup will not work with temperatures above 85 degrees because the plants start to go dormant, and when the plants go dormant, they will not absorb the chemical.
In most instances you can plant in areas treated with RoundUp 7 days after using the product. The only exception would be if you used Roundup Extended Control (then you would have to wait 4 months) or Roundup Poison Ivy Plus Tough Brush Killer (wait 6-8 weeks)
It helps plants to grow when planted It helps plants to grow when planted
Xerophytic plants can be planted during dry season.
Ferns
Because they want to
That depends on who they are, where they are, and for what purpose the plants are being grown.
Corn and most other plants are generally planted in dirt.
seeds are smiler then plants because they haven't been planted yet
In a pot.
To give the tree what it is lacking. Fertilizers are given to trees or plants because the landscape they re planted in does not support the nutrient needs of the plants.
If someone plants 20 rows with 4 types of plants, they planted a total of 20 rows. If someone plants 20 rows of each of 4 types of plants, they planted a total of 80 rows.