TY  - JA
AU  - Glenn,D.M.
TI  - Aspects of soil fertility in cereal production [Nitrogen, phosphorus and sulfur deficiencies, crop yield reduction, management practices that promote soil loss, North Africa]
U1  - 83-947287 
PY  - 1982///
KW  - Cereals general
KW  - Fertilizers
KW  - AGROVOC
KW  - Miscellaneous plant disorders
KW  - North Africa
KW  - Soil erosion and reclamation
KW  - Soil fertility
N1  - ill. 2 p. ref. Summary (Fr). French text p. 144-157
T2  - Special report Agricultural Experiment Station, Oregon State University (USA). (1982). (no. 668) p. 341-351
ER  -