Journal of Agricultural Science and Technology ›› 2023, Vol. 25 ›› Issue (6): 174-180.DOI: 10.13304/j.nykjdb.2021.0780
• BIO-MANUFACTURING & RESOURCE AND ECOLOGY • Previous Articles Next Articles
PANG Zhe, WANG Qilong, LI Juan
Received:
2021-09-06
Accepted:
2022-01-18
Online:
2023-06-15
Published:
2023-07-28
Contact:
Qilong WANG
庞喆,王启龙,李娟
通讯作者:
王启龙
基金资助:
CLC Number:
PANG Zhe, WANG Qilong, LI Juan. Effects of Different Soil Amendments on Soil Physical and Chemical Properties, Rice Yield and Economic Benefits in Low-lying Saline Alkali Land in Northern Shaanxi[J]. Journal of Agricultural Science and Technology, 2023, 25(6): 174-180.
庞喆, 王启龙, 李娟. 不同土壤改良剂对陕北低洼盐碱地土壤理化性质及水稻产量和经济效益的影响[J]. 中国农业科技导报, 2023, 25(6): 174-180.
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URL: https://nkdb.magtechjournal.com/EN/10.13304/j.nykjdb.2021.0780
土层 Soil layer/cm | pH | 水溶性盐总量 Salt content/ (g ·kg-1) | 容重Bulk density/ (g·cm-3) | 有机质 Organic matter/ (g·kg-1) | 全氮 Total nitrogen/% | 有效磷 Available phosphorus/ (mg·kg-1) | 速效钾 Available potassium/ (mg·kg-1) |
---|---|---|---|---|---|---|---|
0—20 | 9.03±0.11 | 2.97±0.04 | 1.51±0.08 | 2.47±0.10 | 0.26±0.05 | 0.26±0.03 | 92.77±3.01 |
20—40 | 9.10±0.05 | 2.10±0.05 | 1.53±0.05 | 2.28±0.06 | 0.43±0.03 | 0.33±0.05 | 85.02±2.54 |
40—60 | 9.08±0.11 | 2.22±0.07 | 1.55±0.10 | 4.47±0.04 | 0.37±0.04 | 0.35±0.04 | 81.75±2.13 |
Table 1 Basic soil physical and chemical properties of the test site
土层 Soil layer/cm | pH | 水溶性盐总量 Salt content/ (g ·kg-1) | 容重Bulk density/ (g·cm-3) | 有机质 Organic matter/ (g·kg-1) | 全氮 Total nitrogen/% | 有效磷 Available phosphorus/ (mg·kg-1) | 速效钾 Available potassium/ (mg·kg-1) |
---|---|---|---|---|---|---|---|
0—20 | 9.03±0.11 | 2.97±0.04 | 1.51±0.08 | 2.47±0.10 | 0.26±0.05 | 0.26±0.03 | 92.77±3.01 |
20—40 | 9.10±0.05 | 2.10±0.05 | 1.53±0.05 | 2.28±0.06 | 0.43±0.03 | 0.33±0.05 | 85.02±2.54 |
40—60 | 9.08±0.11 | 2.22±0.07 | 1.55±0.10 | 4.47±0.04 | 0.37±0.04 | 0.35±0.04 | 81.75±2.13 |
Fig. 1 Soil salt content in 0—60 cm soil layer under different soil amendmentsNote:Different lowercase letters in same soil layer indicate significant differences between treatments at P<0.05 level.
Fig. 2 Soil pH of 0—60 cm soil layer under different soil amendmentsNote:Different lowercase letters in same soil layer indicate significant differences between treatments at P<0.05 level.
处理 Treatment | 土层 Layer | ||
---|---|---|---|
0—20 cm | 20—40 cm | 40—60 cm | |
对照 CK | 1.49±0.04 a | 1.53±0.03 a | 1.52±0.06 a |
脱硫石膏 FGD | 1.45±0.11 b | 1.46±0.05 b | 1.51±0.04 a |
“金阜丰”土壤改良剂 SC | 1.42±0.05 c | 1.43±0.02 c | 1.52±0.02 a |
腐殖酸 HA | 1.41±0.03 c | 1.42±0.09 c | 1.50±0.05 a |
Table 2 Soil bulk density of 0—60 cm soil layer under different soil amendments
处理 Treatment | 土层 Layer | ||
---|---|---|---|
0—20 cm | 20—40 cm | 40—60 cm | |
对照 CK | 1.49±0.04 a | 1.53±0.03 a | 1.52±0.06 a |
脱硫石膏 FGD | 1.45±0.11 b | 1.46±0.05 b | 1.51±0.04 a |
“金阜丰”土壤改良剂 SC | 1.42±0.05 c | 1.43±0.02 c | 1.52±0.02 a |
腐殖酸 HA | 1.41±0.03 c | 1.42±0.09 c | 1.50±0.05 a |
处理 Treatment | 土层 Layer/cm | 有机质 Organic matter/ (g·kg-1) | 全氮 Total nitrogen/% | 有效磷 Available phosphorus/(mg·kg-1) | 速效钾 Available potassium/ (mg·kg-1) |
---|---|---|---|---|---|
对照 CK | 0—20 | 8.72±0.96 a | 0.72±0.24 a | 8.6±1.54 a | 121±3.68 a |
20—40 | 8.34±1.06 b | 0.71±0.32 b | 8.5±1.74 a | 106±4.87 b | |
40—60 | 7.61±0.55 c | 0.73±0.33 a | 7.6±1.56 b | 86±5.74 c | |
脱硫石膏 FGD | 0—20 | 8.83±0.96 a | 0.84±0.27 a | 8.5±1.19 a | 138±6.77 a |
20—40 | 8.41±0.84 ab | 0.71±0.21 b | 8.3±1.62 b | 115±4.59 b | |
40—60 | 7.85±1.21 b | 0.66±0.26 c | 8.1±1.54 c | 85±5.78 c | |
“金阜丰”土壤改良剂 SC | 0—20 | 11.8±0.95 a | 0.93±0.32 a | 8.4±2.02 a | 124±9.61 a |
20—40 | 9.58±1.07 b | 0.82±0.31 ab | 6.2±1.26 b | 105±6.45 b | |
40—60 | 8.62±1.36 c | 0.81±0.24 b | 6.8±1.30 b | 83±5.64 c | |
腐殖酸 HA | 0—20 | 11.3±1.08 a | 1.13±0.41 a | 8.5±1.68 a | 113±8.35 a |
20—40 | 9.37±1.14 b | 0.95±0.38 b | 8.1±1.69 ab | 106±7.67 b | |
40—60 | 8.35±1.01 b | 0.84±0.42 c | 7.5±1.58 b | 92±8.21 c |
Table 3 Soil nutrients in 0—60 cm soil layer under different soil amendments
处理 Treatment | 土层 Layer/cm | 有机质 Organic matter/ (g·kg-1) | 全氮 Total nitrogen/% | 有效磷 Available phosphorus/(mg·kg-1) | 速效钾 Available potassium/ (mg·kg-1) |
---|---|---|---|---|---|
对照 CK | 0—20 | 8.72±0.96 a | 0.72±0.24 a | 8.6±1.54 a | 121±3.68 a |
20—40 | 8.34±1.06 b | 0.71±0.32 b | 8.5±1.74 a | 106±4.87 b | |
40—60 | 7.61±0.55 c | 0.73±0.33 a | 7.6±1.56 b | 86±5.74 c | |
脱硫石膏 FGD | 0—20 | 8.83±0.96 a | 0.84±0.27 a | 8.5±1.19 a | 138±6.77 a |
20—40 | 8.41±0.84 ab | 0.71±0.21 b | 8.3±1.62 b | 115±4.59 b | |
40—60 | 7.85±1.21 b | 0.66±0.26 c | 8.1±1.54 c | 85±5.78 c | |
“金阜丰”土壤改良剂 SC | 0—20 | 11.8±0.95 a | 0.93±0.32 a | 8.4±2.02 a | 124±9.61 a |
20—40 | 9.58±1.07 b | 0.82±0.31 ab | 6.2±1.26 b | 105±6.45 b | |
40—60 | 8.62±1.36 c | 0.81±0.24 b | 6.8±1.30 b | 83±5.64 c | |
腐殖酸 HA | 0—20 | 11.3±1.08 a | 1.13±0.41 a | 8.5±1.68 a | 113±8.35 a |
20—40 | 9.37±1.14 b | 0.95±0.38 b | 8.1±1.69 ab | 106±7.67 b | |
40—60 | 8.35±1.01 b | 0.84±0.42 c | 7.5±1.58 b | 92±8.21 c |
处理 Treatment | 千粒重 1 000 grain weight/g | 产量Yield (kg·hm-2) | 产值/(元·hm-2)Output value/ (yuan·hm-2) | 投入/(元·hm-2)Investment/ (yuan·hm-2) | 纯利润/(元·hm-2) Net profit/ (yuan·hm-2) | 产投比 Production investment ratio |
---|---|---|---|---|---|---|
对照 CK | 20.6 | 4 076 | 14 266.0 | — | — | — |
脱硫石膏 FGD | 22.7 | 6 450 | 22 575.0 | 6 000 | 2 309.0 | 1.38 |
“金阜丰”土壤改良剂 SC | 23.1 | 7 215 | 25 252.5 | 5 400 | 5 586.5 | 2.03 |
腐殖酸 HA | 23.4 | 7 380 | 25 830.0 | 5 000 | 6 564.0 | 2.31 |
Table 4 Rice yield and economic benefits in low-lying saline alkali land in Northern Shaanxi under different soil amendments
处理 Treatment | 千粒重 1 000 grain weight/g | 产量Yield (kg·hm-2) | 产值/(元·hm-2)Output value/ (yuan·hm-2) | 投入/(元·hm-2)Investment/ (yuan·hm-2) | 纯利润/(元·hm-2) Net profit/ (yuan·hm-2) | 产投比 Production investment ratio |
---|---|---|---|---|---|---|
对照 CK | 20.6 | 4 076 | 14 266.0 | — | — | — |
脱硫石膏 FGD | 22.7 | 6 450 | 22 575.0 | 6 000 | 2 309.0 | 1.38 |
“金阜丰”土壤改良剂 SC | 23.1 | 7 215 | 25 252.5 | 5 400 | 5 586.5 | 2.03 |
腐殖酸 HA | 23.4 | 7 380 | 25 830.0 | 5 000 | 6 564.0 | 2.31 |
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