Soil,plant and water analysis
JAISWAL, P.C.
Soil,plant and water analysis - Ludhiana 2003 - 441p
SOILS -- ANALYSIS
PLANT -- ANALYSIS SOILS -- ANALYSIS WATER -- ANALYSIS
630.24 J20S
Soil,plant and water analysis - Ludhiana 2003 - 441p
SOILS -- ANALYSIS
PLANT -- ANALYSIS SOILS -- ANALYSIS WATER -- ANALYSIS
630.24 J20S