The arrowroot plant is native to the tropics of South America. It has a long history of cultivation by native peoples, who developed an extensive treatment process for extracting the usable powder from the roots. The roots are washed, scraped, beaten, soaked, pulped, and finally forced through a sieve.
A 100 pound bag of 16-4-8 contains 16 pounds of nitrogen, 4 pounds of phosphorus and 8 pounds of potassium. The rest if filler and minor elements. Even though it may cost more, a fertilizer containing slow release nitrogen is more efficient and cost effective in our sandy soils.ounding this number to six, you would apply six pounds of 16-4-8 fertilizer per 1000 square feet of lawn area. Using 12-4-8 fertilizer, you would apply eight pounds per 1000 square feet.
Comments. Submit. Fertilizers are additives that are used to improve the quality of soil. The main ingredients in most fertilizers are nitrogen, phosphorus and potassium. The two main types of fertilizers are organic and inorganic.Fertilizers are usually added directly into the soil, but can also be sprayed on the leaves of plants or sprinkled on top of the soil.omments. Submit. Fertilizers are additives that are used to improve the quality of soil. The main ingredients in most fertilizers are nitrogen, phosphorus and potassium. The two main types of fertilizers are organic and inorganic.