Nursery

Kandal

Prey Veng 1

Prey Veng 2

Pursat

K. Chhnang

K. Speu

Siem Reap

fertilizer

+

−

+

−

+

−

+

−

+

−

+

−

+

−

Seedling DM

Nil

0.61

1.03

1.02

0.38

0.58

0.75

0.49

N

0.53

0.98

1.14

0.36

0.69

0.74

0.41

NP

0.57

1.09

1.10

0.40

0.70

0.80

0.44

P^A nursery

0.05

ns

ns

ns

0.09

ns

ns

Shoot DM at PI

Nil

2.66

2.58

-

-

1.06

0.89

0.92

0.82

1.43

1.38

2.39

2.28

1.49

1.12

N

2.66

2.49

-

-

1.00

1.01

0.96

0.80

1.49

1.29

2.57

2.29

1.39

1.54

NP

2.86

2.71

-

-

1.05

0.96

1.04

1.06

1.17

1.65

2.49

2.55

1.41

1.42

P^A main field

nursery

ns

ns

ns

ns

ns

0.02

ns

0.03

ns

ns

ns

ns

Grain yield

Nil

6.2

5.7

3.1

2.7

1.4

1.4

2.5

2.3

3.3

2.9

3.3

3.3

2.9

2.9

N

5.6

5.2

2.3

2.2

1.4

1.3

2.6

2.3

3.1

2.8

3.6

3.6

3.7

3.0

NP

6.0

5.9

3.3

2.2

1.3

1.1

3.0

2.6

3.5

3.1

3.3

3.3

3.7

3.0

P^A main field

nursery

ns

0.01

ns

ns

ns

ns

0.02 0.01

0.01 0.07

ns

0.1

0.03 0.05