Average

No inoculant

HiStick

RizoStick

Seed Yield

kg ha−1

No N

3274

3240

3269

3312

56 kg ha−1 N

3338

3331

3306

3377

ns†

ns‡

Average

3286

3287

3344

ns§

Nodule plant−1

No N

26.7

22.9

25.2

31.9

56 kg ha−1 N

24.3

22.7

26.2

24.0

ns

ns

Average

22.8

25.7

27.9

ns

Return

US Dollar ha1

No N

1984

1980

1973

1999

56 kg ha−1 N

1967

1979

1939

1983

ns

ns

Average

1980

1956

1991

ns