2. INTRODUCTION
DEFINATION ( SOIL )
• A NATURAL BODY OCCUR ON THE EARTH’S
SURFACE, SUPPORTING OR CAPABLE OF
SUPPORTING PLANTS AND CONSISTING OF
MINERAL AND ORGANIC MATERIALS. IT
CHARACTERIZED BY RELATED HORIZONS
RESULTING FROM THE INTERACTIONS OF
CLIMATE AND VEGETATION OR VARIOUS
PARENT MATERIAL OVER VARYING PERIODS
OF TIME AND MODIFIED BY LOCAL RELIEF.
9. DETERMINATION OF TOTAL
PHOSPHORUS
FILTER AND CONTINUE WITH THE DILUTION
CHECK WITH PHOTOMETER
DIGEST FOR 2 HOURS AT 150-200 ˚C UNTIL THE COLOR CHANGE TO WHITE
LEAVE TO COOL & MAKE UP TO 100mL
WEIGHT 1g OF SOIL INTO THE DIGESTION TUBE
ADD 3mL A MIXTURE OF SULFURIC ACID & PERCHLORIC ACID.LEAVE FOR 2
HOURS
18. CONCLUSION
• THE AIM OF THE ANALYSIS OF SOIL IS TO
KNOW WHETHER THE SOIL SUITABLE OR NOT
FOR PLANTATION.
• THE SUITABLE PH FOR THE SOIL IS AROUND
4.3.
• THE AP AND TP ARE ANALYZE IN ORDER TO
KNOW THE NUMBER OF PHOSPHATE.
• THE SOIL IS NOT SUITABLE FOR PLANTATION
AS THE % OF MOSTURE IS HIGHER.