Area (Districts &Talukas)
Area south of river Ambika
Whole of dangs district,
(2)
Part of Valsad District (excludings Navsari and Gandavi talukas)
(3)
Part of Surat District (Valod, Vyara, Uchchhal, Songadh and Mahuva
Rainfall (mm)
1500 and more
Type of soil
Deep black with few patches of coastal alluvial, laterite and medium black soils.
Soil Characteristices & Land use classification
Most of the area cultivated,some area non Cultivated under sallow and Past forest
Surface colour
Raddish brown to dark brown in hilly area very dark, grayish to dark brown and dark Yellowish brown
Depth of the soil
0 to 25cm(shallow to mod deep) in hilly forest 45 to 150cms.(deep to very deep) in predominant slope & flood plain alluvial area.
Predominent Texture
Heavy Texture, predominetry clay.
Soil Slope
3.5% on hill and plateau 0.1% and 1.3% mid land flood plains
General fertility
Nitrogen-poor, Phosphorus medium, Potash medium.
Cation Exchange Capacity
Medium in N. & P. high potash.
Electrical conductivity
40 to 70 me / 100 gms. of soil
Less than 4.0 in normal soil more than 4.0 Coastal alluvia mmhos/cm.
Exchangeable Sodium %
Traces to less than 15% in mid land flood Plain and hilly area while more than 15% in coastal area.
Order
Inceptisols,Entisols.
Sub Order
Ochrepts,Orthents,Psamments,Fluvents.
Crops
Cotton,Jowar,Paddy,Vegetables,Horticultural Corps,Sugercane and Hillamillest
