Chinese Agricultural Science Bulletin ›› 2024, Vol. 40 ›› Issue (8): 63-67.doi: 10.11924/j.issn.1000-6850.casb2023-0307
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YANG Han1(), HUANG Zhimou1, QU Heping1, CHAI Shasha2, LI Yuwei1, ZHAO Qingchun1, QIN Xiaoyin1
Received:
2023-04-17
Revised:
2023-08-25
Online:
2024-03-10
Published:
2024-03-10
YANG Han, HUANG Zhimou, QU Heping, CHAI Shasha, LI Yuwei, ZHAO Qingchun, QIN Xiaoyin. Effects of Optimal Fertilization on Yield, Nutrient Utilization and Soil Fertility of Edible Sweet Potato[J]. Chinese Agricultural Science Bulletin, 2024, 40(8): 63-67.
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URL: https://www.casb.org.cn/EN/10.11924/j.issn.1000-6850.casb2023-0307
处理 | 二铵 | 60 d缓释氮 | 90 d缓释氮 | 过磷酸钙 | 硫酸钾 | 90 d氯化钾 | 商品有机肥 | 复合肥(15-15-15) |
---|---|---|---|---|---|---|---|---|
T1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
T2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 |
T3 | 349.83 | 349.83 | 214.67 | 328.92 | 484.37 | 316.82 | 0.00 | 0 |
T4 | 349.83 | 349.83 | 214.67 | 328.92 | 484.37 | 316.82 | 15.76kg | 0 |
处理 | 二铵 | 60 d缓释氮 | 90 d缓释氮 | 过磷酸钙 | 硫酸钾 | 90 d氯化钾 | 商品有机肥 | 复合肥(15-15-15) |
---|---|---|---|---|---|---|---|---|
T1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
T2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 |
T3 | 349.83 | 349.83 | 214.67 | 328.92 | 484.37 | 316.82 | 0.00 | 0 |
T4 | 349.83 | 349.83 | 214.67 | 328.92 | 484.37 | 316.82 | 15.76kg | 0 |
处理 | 单株鲜重/g | 单株干重/g | 收获指数 | 烘干率/% | (块根/整株)/% | |||
---|---|---|---|---|---|---|---|---|
茎叶 | 块根 | 茎叶 | 块根 | |||||
T1 | 296.35 | 606.43 | 42.40 | 170.10 | 0.67 b | 28.03 b | 79.63 c | |
T2 | 426.80 | 946.85 | 55.53 | 273.66 | 0.69 b | 28.90 a | 83.05 b | |
T3 | 371.43 | 1226.63 | 55.32 | 323.95 | 0.76 a | 26.52 c | 85.19 ab | |
T4 | 408.53 | 1369.95 | 57.22 | 363.62 | 0.77 a | 26.55 c | 86.35 a |
处理 | 单株鲜重/g | 单株干重/g | 收获指数 | 烘干率/% | (块根/整株)/% | |||
---|---|---|---|---|---|---|---|---|
茎叶 | 块根 | 茎叶 | 块根 | |||||
T1 | 296.35 | 606.43 | 42.40 | 170.10 | 0.67 b | 28.03 b | 79.63 c | |
T2 | 426.80 | 946.85 | 55.53 | 273.66 | 0.69 b | 28.90 a | 83.05 b | |
T3 | 371.43 | 1226.63 | 55.32 | 323.95 | 0.76 a | 26.52 c | 85.19 ab | |
T4 | 408.53 | 1369.95 | 57.22 | 363.62 | 0.77 a | 26.55 c | 86.35 a |
处理 | 氮积累量 | 磷积累量 | 钾积累量 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
块根 | 茎叶 | 总 | 块根 | 茎叶 | 总 | 块根 | 茎叶 | 总 | |||
T1 | 31.07 b | 35.38 a | 66.45 b | 14.09 b | 2.62 c | 16.71 b | 101.44 b | 53.39 b | 154.83 b | ||
T2 | 54.42 a | 45.43 a | 99.85 ab | 19.68 ab | 7.77 a | 27.46 ab | 132.08 ab | 78.69 a | 214.01 ab | ||
T3 | 54.48 a | 46.05 a | 100.53 ab | 27.67 a | 4.70 b | 32.37 a | 165.58 a | 69.07 ab | 234.66 ab | ||
T4 | 70.34 a | 46.18 a | 116.52 a | 28.53 a | 5.19 b | 33.72 a | 180.74 a | 73.99 ab | 260.18 a |
处理 | 氮积累量 | 磷积累量 | 钾积累量 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
块根 | 茎叶 | 总 | 块根 | 茎叶 | 总 | 块根 | 茎叶 | 总 | |||
T1 | 31.07 b | 35.38 a | 66.45 b | 14.09 b | 2.62 c | 16.71 b | 101.44 b | 53.39 b | 154.83 b | ||
T2 | 54.42 a | 45.43 a | 99.85 ab | 19.68 ab | 7.77 a | 27.46 ab | 132.08 ab | 78.69 a | 214.01 ab | ||
T3 | 54.48 a | 46.05 a | 100.53 ab | 27.67 a | 4.70 b | 32.37 a | 165.58 a | 69.07 ab | 234.66 ab | ||
T4 | 70.34 a | 46.18 a | 116.52 a | 28.53 a | 5.19 b | 33.72 a | 180.74 a | 73.99 ab | 260.18 a |
处理 | 氮素 | 磷素 | 钾素 | |||||
---|---|---|---|---|---|---|---|---|
产块根效率 | 收获指数 | 产块根效率 | 收获指数 | 产块根效率 | 收获指数 | |||
T1 | 130.31 b | 46.26 c | 521.56 b | 83.97 a | 56.07 c | 64.99 b | ||
T2 | 141.12 b | 54.54 b | 512.45 b | 71.64 b | 66.80 b | 62.65 b | ||
T3 | 164.51 a | 53.76 b | 513.64 b | 85.26 a | 70.66 ab | 70.19 a | ||
T4 | 160.61 a | 60.48 a | 554.46 a | 84.55 a | 73.42 a | 70.92 a |
处理 | 氮素 | 磷素 | 钾素 | |||||
---|---|---|---|---|---|---|---|---|
产块根效率 | 收获指数 | 产块根效率 | 收获指数 | 产块根效率 | 收获指数 | |||
T1 | 130.31 b | 46.26 c | 521.56 b | 83.97 a | 56.07 c | 64.99 b | ||
T2 | 141.12 b | 54.54 b | 512.45 b | 71.64 b | 66.80 b | 62.65 b | ||
T3 | 164.51 a | 53.76 b | 513.64 b | 85.26 a | 70.66 ab | 70.19 a | ||
T4 | 160.61 a | 60.48 a | 554.46 a | 84.55 a | 73.42 a | 70.92 a |
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