The efficacy of phosphorus and nitrogen soil tests developed for undisturbed soils in ... s Fertilization of Wheat, Corn, and Grass-Legume Mixture Grown .... with P and N, areal extent of K deficiency is rela ... cient fallowed soils, produced about 137 pounds ..... t On August 11, heads were counted on the same 9-square-feet.
NUMBER 67
JANUARY, 1978
NORTH DAKOTA
RISIARCH RIPORT FERTILIZATION OF WHEAT, CORN, AND GRASS-LEGUME