TY  - BOOK
TI  - Combined use of Chemical and Organic Fertilizers : : Proceedings of the seminar "Proper Use of Chemical Fertilizers. Combined with Organic Fertilizers in Crop Production"
PY  - 1994///
CY  - Malaysia
PB  - Universiti Pertanan Malaysia (UPM) - FFTC
N1  - Material bibliográfico para estudiantes universitarios, docentes e investigadores
ER  -