TY - BOOK AU - Roberts, Steve. AU - Beaton, James D. TI - Potato use of phosphorus and potassium in sandy soils T2 - Research bulletin PY - 1988/// CY - Pullman PB - Washington State University KW - Fósforo KW - Efecto en papa KW - Potasio KW - Suelos arenosos N1 - D45-231 ER -