Sowing time

Days aftersowing (d)

30

60

90

Harvest

Mar. 25

68.8 cd

269.7 b

390.5 ab

390.5 ab

Apri. 15

73.1 bc

297.7 a

392.9 ab

392.9 ab

May 15

78.8 ab

288.8 a

400.3 ab

400.3 ab

Jun. 15

84.7 a

301.8 a

409.2 a

409.2 a

Jul. 15

65.2 d

265.9 b

378.1 b

378.1 b

Aug. 15

43.3 e

236.2 c

241.3 c

241.3 c

P

<0.01

<0.01

<0.01

<0.01