Sea beet

Furathiocarb is a systemic insecticide used against soil-dwelling insects and early-sea-son pests and as a seed treatment. It is used in maize, oilseed rape, sugar beet, rice, and vegetables. Its oral LD50 in rats is 53 mg/kg. 

The chief sources of potash i are (1) The deposits of soluble potash minerals at Stassfurt (Germany), Alsace (France), Galicia (Austria), Catalonia (Spain), Punjab (India), and Atacama (Chili). (2) Sea water, brines, and many lake deposits contain appreciable quantities of potash associated with the sodium salts. (3) The ashes o vegetation—e,g, wood ashes, beet-root residues, seaweeds, sunflower stalks, hedge trimmings, etc. (4) The soapy water used for washing the grease from wool. 

Beets, D. J., Van der Spek, A. J. F. (2000). The Holocene evolution of the barrier and the back-barrier basins of Belgium and the Netherlands as a function of late WeichseUan morphology, relative sea-level rise and sediment supply. Geologic en Mijnbouw/Netherlands Journal of Geosciences, 79(1), 3-16. 

The main sources of cellulose are issued to i) primitive organisms like bacteria ( Acetobacter xylinum), algae (ex Valonia, Cladophora, Microdictyon) ii) plants (ex wood, cotton, flax, ramie, jute, parenchyma of sugar beet pulp...) and iii) envelop of sea animals belonging to the Ascidians family (ex tunicate). 

---