O'Sullivan, J.N Nutrient disorders of sweet potato = Rối loạn dinh dưỡng của khoai lang J.N.O'Sullivan, C.J.Asher, F.P.C.Blamey - 1st. - Autralian Autralian Centre for International Agricultuaral Research 1997 - 136p. Color image 24cm. References: P.121 - 127 Subjects--Topical Terms: Potato Subjects--Index Terms: Potato Nitrogen deficiency Zinc toxicity Salinity Boronticity Dewey Class. No.: 635.22 / N