Potassium quantity all processes that plough (A) and the type of plant fertilizer, sod (B) no statistical difference. At the age of 4 months was up 1.54 percent and 1.21 in early age – 6 months between 1.27 – 1.80% (table 6).
Butterfish all quantities during a process of a plow (A) and type of green manure crops (B) is not different at the age of 4 months with statistical values are in the range 1.21 - 1.54 percent) and at age 6 months is a value between 1.27 - 1.80 percent (table 6).