CHAPTER XXVIII.—MORE ABOUT FERTILIZERS 250-257
Experiments show, what 250, 251 Growing crops and fertilizers 255 Manure contains, what 257 Potassium, kainit, wood ashes and lime 252, 253 Value of “check plats,” the 253, 254 Valuable elements 250
Experiments show, what 250, 251 Growing crops and fertilizers 255 Manure contains, what 257 Potassium, kainit, wood ashes and lime 252, 253 Value of “check plats,” the 253, 254 Valuable elements 250