Table 1 The effect of densities and nitrogen fertilizer on biomass of oat (g/m2).

From: Response of height, dry matter accumulation and partitioning of oat (Avena sativa L.) to planting density and nitrogen in Horqin Sandy Land

  Aboveground biomass Underground biomass Total biomass
2017 2018 2017 2018 2017 2018
N1 M1 3050.52 ± 205.12Ac 3161.26 ± 121.81Ac 341.24 ± 64.26Bab 483.29 ± 37.77Ba 3391.74 ± 165.83Ac 3644.55 ± 152.23Ac
M2 2891.56 ± 120.22ABbc 2527.35 ± 157.49Cc 364.14 ± 45.04Bb 521.53 ± 49.15Bb 3255.70 ± 150.53Ab 3048.88 ± 205.75Bc
M3 2644.96 ± 503.60ABb 2936.09 ± 136.31ABc 599.70 ± 94.12Aa 576.54 ± 74.47Ab 3244.66 ± 345.85Aab 3512.63 ± 134.27ABd
M4 2213.68 ± 202.44Bc 2768.42 ± 193.23Bd 424.53 ± 35.00Bab 586.08 ± 49.30Ab 2638.21 ± 182.33Bc 3354.50 ± 213.93ABc
N2 M1 2877.52 ± 350.34Abc 3359.93 ± 114.34Bbc 450.16 ± 97.13Aab 690.11 ± 28.75Ba 3327.68 ± 266.35Abc 4050.03 ± 97.82ABbc
M2 2734.56 ± 426.40Ab 3253.58 ± 122.28BCab 373.56 ± 90.65Ab 661.58 ± 49.41Ba 3108.12 ± 442.55Ab 3915.15 ± 159.24ABab
M3 2607.04 ± 346.76Ab 3048.82 ± 158.99Cc 470.66 ± 96.29Aab 788.42 ± 74.15Aa 3077.70 ± 269.39Aab 3837.23 ± 228.72Bc
M4 2839.16 ± 141.96Abc 3636.78 ± 40.32Ab 351.82 ± 66.73Ab 531.87 ± 50.51Cb 3190.98 ± 132.29Abc 4168.65 ± 30.41Ab
N3 M1 3954.64 ± 426.18Aab 3739.67 ± 187.07Ba 533.32 ± 152.96Aa 591.40 ± 92.95Bb 2510.64 ± 77.57Aab 4331.07 ± 280.02Ba
M2 4554.64 ± 271.78Aa 3322.67 ± 196.63Cab 578.47 ± 84.46Aa 484.53 ± 102.7Cb 4487.96 ± 382.97Aa 3807.19 ± 200.60Cb
M3 3757.20 ± 73.28Bba 4077.81 ± 84.05Aa 295.91 ± 44.94Bbc 812.96 ± 36.38Aa 4053.11 ± 168.26Aa 4890.77 ± 80.85Aa
M4 4254.96 ± 733.36Aa 4226.21 ± 78.57Aa 431.51 ± 38.95ABab 548.52 ± 63.53BCb 4686.46 ± 753.10Aa 4774.73 ± 99.78Aa
N4 M1 4153.28 ± 672.88Aa 3554.94 ± 80.98Bab 380.55 ± 120.25Bb 713.76 ± 23.46Aba 4533.83 ± 621.23Aa 4268.70 ± 89.11Bab
M2 3297.28 ± 495.46Bb 3122.56 ± 78.08Cb 728.80 ± 61.58Aa 535.28 ± 22.88Cb 4026.08 ± 305.72ABb 3657.84 ± 89.43Cb
M3 3041.36 ± 125.24Bab 3885.80 ± 151.63Aa 384.20 ± 73.82Bbc 800.04 ± 32.03Aa 3425.56 ± 23.51Bab 4685.84 ± 156.43Aa
M4 3198.60 ± 112.00Bbc 3469.72 ± 78.16Bbc 579.04 ± 66.40Aa 677.98 ± 58.77Ba 3777.64 ± 121.68ABb 4147.69 ± 117.85Bb
N5 M1 3437.88 ± 144.92Aab 2868.68 ± 181.94Bd 379.18 ± 98.57Aab 422.24 ± 18.03Bc 3817.06 ± 229.26Aabc 3290.93 ± 177.76Bd
M2 3322.20 ± 45.37ABb 3414.78 ± 98.86Aa 355.55 ± 104.80ABb 704.60 ± 44.68Aa 3677.75 ± 313.13Ab 4119.38 ± 143.18Aa
M3 2576.56 ± 197.30ABb 3400.04 ± 171.78Ab 284.54 ± 52.67Bc 728.15 ± 39.31Aa 2861.1 ± 51.69Ab 4128.19 ± 207.00Ab
M4 2774.24 ± 492.40Bbc 3351.83 ± 135.03Ac 453.50 ± 69.80ABab 674.73 ± 33.03Aa 3227.74 ± 184.14Abc 4026.56 ± 111.54Ab
  1. Note: The capital letters indicated there was significantly difference at 0.05 levels under different planting density and same nitrogen fertilizer application, and lowercase letters indicated there was significantly difference at 0.05 levels under different nitrogen fertilizer and same planting density. The same below.