TY  - BK
AU  - Hauser,G.F.
TI  - Soil fertility investigations on farmers' fields
T2  - FAO Soils Bulletin
SN  - 92-5-100383-1
PY  - 1970///
CY  - Rome (Italy)
PB  - FAO, 
KW  - Application rates
KW  - Experiments
KW  - Fertilizer application
KW  - Field size
KW  - Harvesting
KW  - Research
KW  - Rice
KW  - AGROVOC
KW  - Soil resources
KW  - Soil testing
KW  - Surveys
KW  - Trials
KW  - Soil fertility
ER  -