Diagnosis of mineral deficiencies in plants by visual symptoms: A colour atlas and guide.
WALLACE, T
Diagnosis of mineral deficiencies in plants by visual symptoms: A colour atlas and guide. - London HMSO 1951
Mineral deficiency diagnosis
631.81.095.338 / WAL
Diagnosis of mineral deficiencies in plants by visual symptoms: A colour atlas and guide. - London HMSO 1951
Mineral deficiency diagnosis
631.81.095.338 / WAL