Table 2 Elemental composition of Lemna minor after treatment with variable N and P combinations

10 N

35 ± 0.03^bc

27 ± 0.03^fg

25 ± 0.41^bc

3.2 ± 0.05 cd

0.07 ± 0.05c

20 N

38 ± 0.02^b

28 ± 0.03^efg

33 ± 0.35^a

2.4 ± 0.15d

0.03 ± 0.01b

30 N

40 ± 0.25^a

28 ± 0.03^def

36 ± 0.55^a

3.2 ± 0.40 cd

0.05 ± 0.02a

10 P

26 ± 0.05^cd

29 ± 0.03^cdef

23 ± 0.49^c

0.7 ± 0.03 cd

0.04 ± 0.03d

20 P

26 ± 0.45^d

30 ± 0.03^bcde

34 ± 0.65^a

3.2 ± 0.25d

0.06 ± 0.01a

30 P

30 ± 0.70^a

31 ± 0.03^abcd

35 ± 0.47^a

0.8 ± 0.20 cd

0.04 ± 0.01 cd

10 NP

26 ± 0.09^cd

32 ± 0.03^abc

34 ± 0.75^a

3.7 ± 0.18a

0.06 ± 0.05 cd

20 NP

24 ± 0.08^d

32 ± 0.03^ab

35 ± 0.65^a

2.5 ± 0.32c

0.08 ± 0.02c

30 NP

24 ± 0.02^d

33 ± 0.03^a

36 ± 0.40^a

2.8 ± 0.01c

0.06 ± 0.10 cd

Control

32 ± 0.09^bcd

25 ± 0.03^g

26 ± 0.55^b

0.7 ± 0.41b

0.04 ± 0.01 cd

LSD (p ≤ 0.05)

0.8

0.07

0.15

0.08

0.05