Nickel toxicity and farmyard manure relations under calcareous soil conditions
By: Wassif, Muhammad Muhammad; Sulayman, Ahmad Abd al-Hamid; Zayd, Ibrahim. The Desert Institute Bulletin, Egypt. Vol. 51, no. 2 (2001), pp.469-488, 20 p.
Subjects: Calcareous soils; Fertilizers; Manures; Organic fertilizers