Appendix XI -Soil phase ratings

FAO ‘74 Soil Phase Ratings for Rain-fed Conditions(at High Input Levels)

Soil Phase

Crops

wh

wr

dr

mz

by

sg

ry

pm

fx

wp

ca

sp

su

sb

pb

ch

cw

gn

sy

sf

rp

ct

ba

op

ol

al

gr

STONY

1

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

2

2

6

4

4

LITHIC

2

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

PETRIC

3

1

6

1

1

1

1

1

1

1

3

3

3

3

3

3

3

3

1

3

1

3

3

3

3

3

3

1

PETROCALCIC

4

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

PETROGYPSIC

5

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

PETROFERRIC

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

PHREATIC

7

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

6

1

1

FRAGIPAN

8

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

1

DURIPAN

9

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

6

3

3

1

SALINE

10

6

4

4

6

3

6

4

6

4

4

4

4

6

4

4

4

4

4

4

4

4

3

4

4

4

4

3

SODIC

11

3

3

4

3

3

3

4

3

4

4

4

4

4

4

4

4

4

4

4

4

4

3

4

4

4

4

3

SHIFTING

12

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

ROCK DEB

13

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

OUTCROPS

14

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

DUNES

15

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

SALT/FLS

16

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

LAKES

17

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

ICE CAPS

18

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4


Note: 1 = 100% S1,  2 = 100% S2,  3 = 50% S1 and 50% S2,  4 = 100% NS,  5 = 50% S1 and 50% NS,  6 = 50% S2 and 50% NS

FAO ‘74 Soil Phase Ratings for Rain-fed Conditions(at Low Input Levels)

Soil Phase

Crops

wh

wr

dr

mz

by

sg

ry

pm

fx

wp

ca

sp

su

sb

pb

ch

cw

gn

sy

sf

rp

ct

ba

op

ol

al

gr

STONY

1

2

4

2

2

2

2

2

2

2

2

4

2

2

2

2

2

2

2

2

2

2

2

2

2

3

2

2

LITHIC

2

6

4

6

6

6

6

6

6

6

6

4

6

6

6

6

6

6

6

6

6

6

6

4

4

6

6

2

PETRIC

3

1

6

1

1

1

1

1

1

1

3

3

3

3

3

3

3

3

1

3

1

3

3

3

3

1

3

1

PETROCALCIC

4

3

6

3

3

3

3

3

3

3

6

6

6

6

6

6

6

6

3

6

6

6

6

6

6

3

6

3

PETROGYPSIC

5

3

6

3

3

3

3

3

3

3

6

6

6

6

6

6

6

6

3

6

6

6

6

6

6

6

6

3

PETROFERRIC

6

3

6

3

3

3

3

3

3

3

6

6

6

6

6

6

6

6

3

6

6

6

6

6

6

6

6

3

PHREATIC

7

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

6

1

1

FRAGIPAN

8

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

1

DURIPAN

9

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

6

3

3

1

SALINE

10

6

4

4

6

3

6

4

6

4

4

4

4

6

4

4

4

4

4

4

4

4

3

4

4

4

4

3

SODIC

11

3

3

4

3

3

3

4

1

4

4

4

4

4

4

4

4

4

4

4

4

4

3

4

4

4

4

3

SHIFTING

12

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

ROCK DEB

13

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

OUTCROPS

14

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

DUNES

15

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

SALT/FLS

16

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

LAKES

17

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

ICE CAPS

18

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

FAO ‘74 Soil Phase Ratings for Gravity Irrigation (at High Input Levels)

Soil Phase

Crops

wh

wr

dr

mz

by

sg

ry

pm

fx

wp

ca

sp

su

sb

pb

ch

cw

gn

sy

sf

rp

ct

ba

op

ol

al

gr

STONY

1

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

LITHIC

2

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

PETRIC

3

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

1

PETROCALCIC

4

6

2

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

PETROGYPSIC

5

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

6

PETROFERRIC

6

6

2

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

PHREATIC

7

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

6

1

1

FRAGIPAN

8

6

2

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

1

DURIPAN

9

6

2

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

1

SALINE

10

6

4

4

6

2

6

4

6

4

4

4

4

6

4

4

4

4

4

4

4

4

2

4

4

4

4

3

SODIC

11

2

3

4

2

2

2

4

2

4

4

4

4

4

4

4

4

4

4

4

4

4

2

4

4

4

4

3

SHIFTING

12

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

ROCK DEB

13

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

OUTCROPS

14

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

DUNES

15

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

SALT/FLS

16

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

LAKES

17

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

ICE CAPS

18

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4

4


Note : 1 = 100% S1,  2 = 100% S2,  3 = 50% S1 and 50% S2,  4 = 100% NS,  5 = 50% S1 and 50% NS,  6 = 50% S2 and 50% NS
wh
wheat
wr
wetland rice drdryland rice
gr
pasture/grasses
al
forage legume
mz
maize
by
barley sgsorghum
ol
olive
op
oil palm
ry
rye
pm
pearl millet fxfoxtail millet
ba
banana/plantain
ct
cotton
wp
white potato
ca
cassava spsweet potato
sy
soybean
sf
sunflower
su
sugar cane
sb
sugar beet pbphaseolus bean
rp
rape seed
gn
groundnut
ch
chickpea
cw
cowpea  
 
 
 
 


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