生物炭基肥对马铃薯田土壤脲酶活性和产量的影响

高佳, 王姣, 王松, 刘红健, 康佳, 沈弘, 王海莉, 任少勇

Effects of Biochar-Based Fertilizer on Soil Urease Activity and Yield of Potato

Gao Jia, Wang Jiao, Wang Song, Liu Hongjian, Kang Jia, Shen Hong, Wang Haili, Ren Shaoyong

表2 生物炭基肥对马铃薯产量及其构成因素的影响

Table 2 Effects of biochar-based fertilizer on yield and its factors of potato

年份 Year 处理 Treatment 单株结薯数 Number of tuber per plant 单薯重 Single tuber weight (g) 大薯率 Rate of big tuber (%) 产量 Yield (kg/hm2) 较CK0增产 Increased yield compared with CK0 (%) 2019 CK0 3.75±0.18cA 101.22±7.68cB 36.11±2.70bB 19 851.56±844.86dD – CK1 3.83±0.26bcA 112.11±5.24bcAB 37.20±4.16bB 22 557.84±2412.68cdCD 13.63 CK2 3.86±0.26abcA 116.59±16.02abAB 38.15±3.47bB 23 546.65±3158.10cdBCD 18.61 CK3 3.99±0.36abcA 123.65±8.38abA 45.43±3.42aA 25 960.64±4853.48abcABC 30.77 CK4 3.88±0.45abcA 118.13±15.43abAB 41.11±7.74aA 24 040.02±4273.37cABCD 21.10 T1 3.96±0.50abcAB 119.85±11.87abAB 45.23±4.09bB 25 014.82±3536.46bcABCD 26.01 T2 3.93±0.26abcAB 129.50±7.58aA 45.46±5.70bB 26 754.76±2469.52abcABC 34.77 T3 4.35±0.36aA 130.09±6.39aA 50.20±3.12aA 29 719.37±2514.76aA 49.71 T4 4.31±0.31aA 125.64±11.13abA 47.56±3.19aA 28 464.25±3898.39abAB 43.39 2020 CK0 4.03±0.19aA 98.43±7.41dC 39.84±2.05bB 23 424.12±903.85bB – CK1 4.06±0.19aA 111.16±6.49cdBC 41.41±2.49bB 26 046.06±1451.15bAB 11.19 CK2 4.33±0.20aA 115.80±6.71cBC 43.60±2.38bB 28 270.24±1595.28abAB 20.69 CK3 4.62±0.36aA 138.99±5.52abA 57.93±3.93aA 30 986.49±1188.38abAB 32.28 CK4 4.38±0.25aA 131.81±7.49abAB 55.59±2.86aA 30 539.81±1231.56abAB 30.38 T1 4.30±0.33aA 113.39±4.20cBC 42.89±2.08bB 28 004.88±1602.29abAB 19.56 T2 4.36±0.22aA 125.45±1.61bcAB 44.08±2.16bB 28 345.14±1337.36abAB 21.01 T3 4.69±0.36aA 145.48±4.39aA 62.77±4.45aA 35 591.87±1460.50aA 51.95 T4 4.59±0.28aA 137.86±6.55abA 60.73±2.76aA 31 652.85±1785.39abAB 35.13