Ayeyarwady Region

Sr No	Items	Method Use
1	Soil Moisture	Gravimetric Analysis
2	pH	1 : 2.5 ( Soil : Water Suspension )
3	Ec	1 : 5 ( Soil : Water Suspension )
4	Texture	Mechanical Analysis
5	Organic Matter	Furnace Method Walkey & Blank
6	Total Nitrogen ( N )	Kjedahl' s Method
7	Avaliable Phosphorus ( P2O5 )	Olsen ' s Method for Alkaline and Neutral Bray ' s Method for Acid Soil
8	Exchangeable Patassium ( K , Available K2O	Flame Photometric Method ( 1 M Ammonium Acetate )
9	Exchangeable ( Ca , Mg )	EDTA ( Titration Method ) ( 1 M Ammonium Acetate )
10	Exchangeable Na	Flame Photometric Method ( 1 M Ammonium Acetate )
11	Exchangeable AL+3 , H +3	( 1 M KCL Extracting Solution )
12	CEC ( Ex . Ca +2 , Mg +2 , AL+ , H+ )	Titration Method
13	Ca +2 , Mg +2, CO3 -2 , HCO3 - , CL 2- , SO4- 2	Titration Method

Sr No	Items	Method Use
1	pH	Direct Measurement
2	Ec	Direct Measurement
3	NH4+ - Total N, NO3- - Total N	Kjedahl' s Method
4	Avaliable Phosphorus ( P2O5 )	Spectrophotometric Method
5	Exchangeable Patassium ( K , Available K2O	Flame Photometric Method
6	Ca +2 , Mg +2, CO3 -2 , HCO3 - , CL 2- , SO4- 2	Titration Method

Sr No	Items	Method Use
1	Moisture	Gravimetric Analysis
2	Total N Water Soluble N NO3-	Kjedahl' s Method
3	Phosphorus Total ( P2O5 ) Water Soluble ( P2O5 ) Citric Soluble ( P2O5 )	Spectrophotometric Method
4	Patassium Total K2O Water Soluble K2O	Flame Photometric Method
5	Ca , Mg	EDTA ( Titration Method )
6	Organic Matter ( OM % )	Furnace Method Walkey & Blank
7	Sulphur Total ( S ) Water Soluble ( S )	Spectrophotometric Method

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