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Recommended seed rate spacings and population for different species of cotton in the three zones

Species

Growing conditions

Cotton Zone

Seed rate

(kg. / ha.)

Spacing

( Cm )

Population

(Per ha.)

G.hirsutum

Irrigated

Northern

Southern

 

Central

Southern

20 - 22

10 - 15

 

18 – 20

18 - 20

75 x 15

75 x 30

75 x 45

60 x 30

60 x 30

88,900

44,444

29,629

55,600

55,600

G.arboreum

Irrigated

Northern

Central

10 - 12

10 - 12

60 x 30

60 x 30

55,600

55,600

G.herbaceum

Rain fed

Central

Southern

12 - 15

12 - 15

45 x 30

60 x 30

74,074

55,600

G.barbadense

Irrigated

Southern

8 - 10

12 - 15

90 x 30

75 x 30

37,000

44,444

Hybrids

Irrigated

 

 

 

 

 

 

Rain fed

Southern

 

 

Central

 

Northern

Central

Southern

2 - 3

 

 

2 – 3.5

 

3 – 3.5

3 – 3.5

2.5 - 3

90 x 30

45 x 60

90 x 60

120 x 40

120 x 60

67.5 x 67.5

150 x 60

120 x 60

37,000

37,037

18,518

20,833

13,888

21,948

11,111

13,888

 

Information compiled, Page designed and developed by M. Sabesh, Scientist(SS), CICR, Coimbatore