TY  - JA
AU  - Oertli,J.J.
TI  - Efficiency of nitrogen recovery from controlled-release urea under conditions of heavy leaching
SN  - 0007-1857
U1  - 75-044696 
PY  - 1975///
KW  - Fertilizers
KW  - AGROVOC
KW  - Maize
KW  - Sunflower helianthus annuus
KW  - Tomatoes lycopersicum esculentum
KW  - Zea mays
KW  - Soil fertility
N1  - 5 illus. Bibliography (6 ref.); Summaries (De, En, Es, Fr, It)
T2  - Agrochimica
ER  -