Table 1 Composition of coating of urea.

From: Proportional impact prediction model of coating material on nitrate leaching of slow-release Urea Super Granules (USG) using machine learning and RSM technique

Compositions

Bentonite clay and neem oil without heat (T1)

Bentonite clay and neem oil with heat (T2)

Sulphur and acacia oil (T3)

USG (gm)

Clay (gm)

Oil (ml)

USG (gm)

Clay (gm)

Oil (ml)

USG (gm)

Sulphur (gm)

Oil (ml)

C1

10

0.5

1

10

0.5

1

10

0.5

0.5

C2

10

0.5

2

10

0.5

2

10

0.5

1

C3

10

0.5

3

10

0.5

3

10

0.5

1.5

C4

10

0.5

4

10

0.5

4

10

0.5

2

C5

10

1

1

10

1

1

10

1

0.5

C6

10

1

2

10

1

2

10

1

1

C7

10

1

3

10

1

3

10

1

1.5

C8

10

1

4

10

1

4

10

1

2

C9

10

1.5

1

10

1.5

1

10

1.5

0.5

C10

10

1.5

2

10

1.5

2

10

1.5

1

C11

10

1.5

3

10

1.5

3

10

1.5

1.5

C12

10

1.5

4

10

1.5

4

10

1.5

2

C13

10

2

1

10

2

1

10

2

0.5

C14

10

2

2

10

2

2

10

2

1

C15

10

2

3

10

2

3

10

2

1.5

C16

10

2

4

10

2

4

10

2

2

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