Journal of Agricultural Science and Technology ›› 2022, Vol. 24 ›› Issue (7): 177-186.DOI: 10.13304/j.nykjdb.2021.0917
• BIO-MANUFACTURING & RESOURCE AND ECOLOGY • Previous Articles Next Articles
Zengying PENG1(), Yingying SHEN1, Songjiang DUAN1, Yifan WU1, Zongrun LI1, Rensong GUO2, Jusong ZHANG1(
)
Received:
2021-10-27
Accepted:
2022-01-08
Online:
2022-07-15
Published:
2022-08-15
Contact:
Jusong ZHANG
彭增莹1(), 申莹莹1, 段松江1, 吴一帆1, 李宗润1, 郭仁松2, 张巨松1(
)
通讯作者:
张巨松
作者简介:
彭增莹 E-mail: 1826597157@qq.com;
基金资助:
CLC Number:
Zengying PENG, Yingying SHEN, Songjiang DUAN, Yifan WU, Zongrun LI, Rensong GUO, Jusong ZHANG. Effect of Chemical Regulation on Canopy Structure and Yield of Cotton with Different Nitrogen Amounts[J]. Journal of Agricultural Science and Technology, 2022, 24(7): 177-186.
彭增莹, 申莹莹, 段松江, 吴一帆, 李宗润, 郭仁松, 张巨松. 化学调控对不同施氮量棉花冠层结构及产量的影响[J]. 中国农业科技导报, 2022, 24(7): 177-186.
土壤深度 Soil depth/cm | 全氮Total nitrogen/(g·kg-1) | 有机质Organic matter/(g·kg-1) | 水解性氮Hydrolyzable nitrogen/(mg·kg-1) | 速效磷Available P/(mg·kg-1) | 速效钾Available K/(mg·kg-1) |
---|---|---|---|---|---|
0—10 | 0.42 | 8.26 | 35.0 | 26.3 | 83 |
10—20 | 0.49 | 7.65 | 66.4 | 32.9 | 89 |
20—30 | 0.46 | 7.08 | 44.4 | 32.0 | 87 |
30—40 | 0.30 | 5.90 | 40.6 | 16.6 | 103 |
40—50 | 0.24 | 4.24 | 35.0 | 7.3 | 138 |
50—60 | 0.25 | 4.06 | 51.7 | 26.6 | 145 |
Table 1 Basic fertility of soil
土壤深度 Soil depth/cm | 全氮Total nitrogen/(g·kg-1) | 有机质Organic matter/(g·kg-1) | 水解性氮Hydrolyzable nitrogen/(mg·kg-1) | 速效磷Available P/(mg·kg-1) | 速效钾Available K/(mg·kg-1) |
---|---|---|---|---|---|
0—10 | 0.42 | 8.26 | 35.0 | 26.3 | 83 |
10—20 | 0.49 | 7.65 | 66.4 | 32.9 | 89 |
20—30 | 0.46 | 7.08 | 44.4 | 32.0 | 87 |
30—40 | 0.30 | 5.90 | 40.6 | 16.6 | 103 |
40—50 | 0.24 | 4.24 | 35.0 | 7.3 | 138 |
50—60 | 0.25 | 4.06 | 51.7 | 26.6 | 145 |
处理Treatment | 基肥Base fertilizer/ (kg·hm-2) | 施用时间Application time (m/d) | 总量Total amount/(kg·hm-2) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
6/16 | 6/24 | 7/1 | 7/8 | 7/16 | 7/24 | 8/1 | 8/8 | 8/18 | |||
N320 | 64 | 16 | 32 | 16 | 32 | 64 | 32 | 32 | 16 | 16 | 320 |
N480 | 96 | 24 | 48 | 24 | 48 | 96 | 48 | 48 | 24 | 24 | 480 |
Table 2 Amount and time of nitrogen application
处理Treatment | 基肥Base fertilizer/ (kg·hm-2) | 施用时间Application time (m/d) | 总量Total amount/(kg·hm-2) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
6/16 | 6/24 | 7/1 | 7/8 | 7/16 | 7/24 | 8/1 | 8/8 | 8/18 | |||
N320 | 64 | 16 | 32 | 16 | 32 | 64 | 32 | 32 | 16 | 16 | 320 |
N480 | 96 | 24 | 48 | 24 | 48 | 96 | 48 | 48 | 24 | 24 | 480 |
处理 Treatment | 喷施时间Spray time | 总量 Total amount | |||
---|---|---|---|---|---|
盛蕾期 Full budperiod | 初花期 Preliminary flowerperiod | 打顶后6 d 6 d after topping | 打顶后12 d 12 d after topping | ||
H1 | 4.0 | 8.0 | 15.0 | 40.0 | 67.0 |
H2 | 8.0 | 12.0 | 30.0 | 100.0 | 150.0 |
H3 | 12.0 | 28.5 | 60.0 | 160.0 | 260.5 |
H4 | 16.0 | 45.0 | 90.0 | 220.0 | 371.0 |
Table 3 DPC dosage and time
处理 Treatment | 喷施时间Spray time | 总量 Total amount | |||
---|---|---|---|---|---|
盛蕾期 Full budperiod | 初花期 Preliminary flowerperiod | 打顶后6 d 6 d after topping | 打顶后12 d 12 d after topping | ||
H1 | 4.0 | 8.0 | 15.0 | 40.0 | 67.0 |
H2 | 8.0 | 12.0 | 30.0 | 100.0 | 150.0 |
H3 | 12.0 | 28.5 | 60.0 | 160.0 | 260.5 |
H4 | 16.0 | 45.0 | 90.0 | 220.0 | 371.0 |
处理 Treatment | 主茎节间长度 Internode length/cm | 果枝长度 Fruit branch length/cm | 果枝夹角 Fruit branch angle/(°) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
下 Base | 中 Middle | 上 Upper | 下 Base | 中 Middle | 上 Upper | 下 Base | 中 Middle | 上 Upper | ||
N320 | H1 | 4.8±1.9 a | 8.1±0.6 a | 4.8±1.3 a | 24.5±3.9 a | 20.2±4.9 a | 9.1±4.5 a | 56.6±10.8 b | 60.2±8.4 bc | 59.5±4.0 bc |
H2 | 6.6±0.7 a | 7.6±0.5 a | 4.6±0.2 a | 18.6±3.6 a | 18.2±2.8 ab | 5.3±1.8 b | 57.0±6.2 ab | 59.8±4.8 bc | 59.3±4.5 c | |
H3 | 5.4±0.9 a | 8.0±1.5 a | 4.1±1.0 abc | 20.0±4.2 a | 14.9±2.5 abc | 5.2±1.6 b | 62.3±10.6 ab | 61.5±5.4 abc | 61.1±2.6 abc | |
H4 | 5.3±1.4 a | 7.5±0.6 a | 3.9±0.7 abc | 21.7±3.1 a | 11.8±0.6 c | 4.2±2.1 b | 60.6±7.3 ab | 63.3±4.3 abc | 61.0±3.1 abc | |
N480 | H1 | 7.5±1.6 a | 7.3±1.3 a | 3.5±0.3 bc | 26.1±3.5 a | 18.8±2.2 ab | 7.2±0.6 ab | 63.1±7.5 ab | 68.3±3.3 a | 66.2±5.7 a |
H2 | 6.2±1.6 a | 8.1±0.8 a | 3.9±0.3 abc | 20.7±7.2 a | 17.9±3.5 ab | 6.7±3.7 ab | 67.3±6.0 a | 67.1±6.2 ab | 64.9±1.4 ab | |
H3 | 5.7±1.7 a | 8.1±1.1 a | 3.3±0.2 c | 16.8±4.0 a | 14.0±1.5 bc | 5.1±2.3 b | 62.3±8.9 ab | 64.6±6.5 ab | 58.3±6.5 c | |
H4 | 6.8±3.1 a | 7.0±1.8 a | 4.4±0.1 ab | 24.4±9.7 a | 14.1±4.9 bc | 5.8±1.2 ab | 59.5±4.5 ab | 57.0±2.8 c | 60.5±4.8 bc | |
N | NS | NS | ** | NS | NS | NS | NS | NS | NS | |
H | NS | NS | NS | * | ** | NS | NS | NS | NS | |
N×H | NS | NS | NS | NS | NS | NS | NS | ** | * |
Table 4 Plant type indexes of different treatments
处理 Treatment | 主茎节间长度 Internode length/cm | 果枝长度 Fruit branch length/cm | 果枝夹角 Fruit branch angle/(°) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
下 Base | 中 Middle | 上 Upper | 下 Base | 中 Middle | 上 Upper | 下 Base | 中 Middle | 上 Upper | ||
N320 | H1 | 4.8±1.9 a | 8.1±0.6 a | 4.8±1.3 a | 24.5±3.9 a | 20.2±4.9 a | 9.1±4.5 a | 56.6±10.8 b | 60.2±8.4 bc | 59.5±4.0 bc |
H2 | 6.6±0.7 a | 7.6±0.5 a | 4.6±0.2 a | 18.6±3.6 a | 18.2±2.8 ab | 5.3±1.8 b | 57.0±6.2 ab | 59.8±4.8 bc | 59.3±4.5 c | |
H3 | 5.4±0.9 a | 8.0±1.5 a | 4.1±1.0 abc | 20.0±4.2 a | 14.9±2.5 abc | 5.2±1.6 b | 62.3±10.6 ab | 61.5±5.4 abc | 61.1±2.6 abc | |
H4 | 5.3±1.4 a | 7.5±0.6 a | 3.9±0.7 abc | 21.7±3.1 a | 11.8±0.6 c | 4.2±2.1 b | 60.6±7.3 ab | 63.3±4.3 abc | 61.0±3.1 abc | |
N480 | H1 | 7.5±1.6 a | 7.3±1.3 a | 3.5±0.3 bc | 26.1±3.5 a | 18.8±2.2 ab | 7.2±0.6 ab | 63.1±7.5 ab | 68.3±3.3 a | 66.2±5.7 a |
H2 | 6.2±1.6 a | 8.1±0.8 a | 3.9±0.3 abc | 20.7±7.2 a | 17.9±3.5 ab | 6.7±3.7 ab | 67.3±6.0 a | 67.1±6.2 ab | 64.9±1.4 ab | |
H3 | 5.7±1.7 a | 8.1±1.1 a | 3.3±0.2 c | 16.8±4.0 a | 14.0±1.5 bc | 5.1±2.3 b | 62.3±8.9 ab | 64.6±6.5 ab | 58.3±6.5 c | |
H4 | 6.8±3.1 a | 7.0±1.8 a | 4.4±0.1 ab | 24.4±9.7 a | 14.1±4.9 bc | 5.8±1.2 ab | 59.5±4.5 ab | 57.0±2.8 c | 60.5±4.8 bc | |
N | NS | NS | ** | NS | NS | NS | NS | NS | NS | |
H | NS | NS | NS | * | ** | NS | NS | NS | NS | |
N×H | NS | NS | NS | NS | NS | NS | NS | ** | * |
处理 Treatment | 主茎叶 Main leaf/(10-3 g·cm-2) | 果枝叶 Fruit branch leaf/(10-3 g·cm-2) | |||
---|---|---|---|---|---|
上部 Upper part | 中部 Central | 下部 Lower part | |||
N320 | H1 | 10.7±0.6 a | 9.8±1.2 a | 7.8±1.9 a | 5.8±0.7 b |
H2 | 11.4±0.6 a | 10.0±0.7 a | 7.8±0.4 a | 6.5±1.0 b | |
H3 | 12.3±1.6 a | 10.8±1.0 a | 8.4±1.3 a | 6.0±1.2 b | |
H4 | 11.7±1.0 a | 10.3±0.2 a | 9.6±0.1 a | 6.7±0.5 b | |
N480 | H1 | 10.9±0.6 a | 9.8±0.3 a | 7.7±1.3 a | 6.6±0.5 b |
H2 | 11.3±1.0 a | 10.1±0.3 a | 8.1±0.5 a | 5.9±0.4 b | |
H3 | 11.6±0.8 a | 10.6±1.1 a | 8.8±1.5 a | 6.1±0.9 b | |
H4 | 12.0±1.0 a | 10.6±1.1 a | 9.4±0.3 a | 10.2±0.9 a | |
N | NS | NS | NS | * | |
H | NS | NS | NS | ** | |
N×H | NS | NS | NS | * |
Table 5 Specific leaf weight of each part under different treatments
处理 Treatment | 主茎叶 Main leaf/(10-3 g·cm-2) | 果枝叶 Fruit branch leaf/(10-3 g·cm-2) | |||
---|---|---|---|---|---|
上部 Upper part | 中部 Central | 下部 Lower part | |||
N320 | H1 | 10.7±0.6 a | 9.8±1.2 a | 7.8±1.9 a | 5.8±0.7 b |
H2 | 11.4±0.6 a | 10.0±0.7 a | 7.8±0.4 a | 6.5±1.0 b | |
H3 | 12.3±1.6 a | 10.8±1.0 a | 8.4±1.3 a | 6.0±1.2 b | |
H4 | 11.7±1.0 a | 10.3±0.2 a | 9.6±0.1 a | 6.7±0.5 b | |
N480 | H1 | 10.9±0.6 a | 9.8±0.3 a | 7.7±1.3 a | 6.6±0.5 b |
H2 | 11.3±1.0 a | 10.1±0.3 a | 8.1±0.5 a | 5.9±0.4 b | |
H3 | 11.6±0.8 a | 10.6±1.1 a | 8.8±1.5 a | 6.1±0.9 b | |
H4 | 12.0±1.0 a | 10.6±1.1 a | 9.4±0.3 a | 10.2±0.9 a | |
N | NS | NS | NS | * | |
H | NS | NS | NS | ** | |
N×H | NS | NS | NS | * |
处理 Treatment | 单株结铃数 Boll number per plant | 单铃重 Single boll weight/g | 衣分 Lint percentage/% | 籽棉产量 Seed cotton yield/(kg·hm-2) | |
---|---|---|---|---|---|
N320 | H1 | 5.73±0.48 c | 4.96±0.02 b | 0.44±0.01 ab | 4 662.19±379.03 c |
H2 | 7.57±0.10 a | 5.15±0.15 ab | 0.44±0.01 ab | 6 384.66±260.99 a | |
H3 | 7.27±0.05 ab | 5.39±0.08 a | 0.44±0.01 ab | 6 426.18±85.70 a | |
H4 | 6.61±0.52 b | 5.19±0.10 ab | 0.45±0.01 a | 5 627.17±551.97 b | |
N480 | H1 | 5.75±0.19 c | 5.17±0.15 ab | 0.43±0.00 b | 4 879.79±228.13 c |
H2 | 6.63±0.66 b | 5.14±0.11 ab | 0.44±0.00 ab | 5 577.61±433.84 b | |
H3 | 6.60±0.59 b | 5.20±0.24 ab | 0.44±0.01 ab | 5 619.40±271.26 b | |
H4 | 6.53±0.63 bc | 5.12±0.08 ab | 0.45±0.01 ab | 5 486.83±581.31b | |
N | NS | NS | NS | * | |
H | ** | * | NS | ** | |
N×H | NS | NS | * | * |
Table 6 Yield and yield components of different treatments
处理 Treatment | 单株结铃数 Boll number per plant | 单铃重 Single boll weight/g | 衣分 Lint percentage/% | 籽棉产量 Seed cotton yield/(kg·hm-2) | |
---|---|---|---|---|---|
N320 | H1 | 5.73±0.48 c | 4.96±0.02 b | 0.44±0.01 ab | 4 662.19±379.03 c |
H2 | 7.57±0.10 a | 5.15±0.15 ab | 0.44±0.01 ab | 6 384.66±260.99 a | |
H3 | 7.27±0.05 ab | 5.39±0.08 a | 0.44±0.01 ab | 6 426.18±85.70 a | |
H4 | 6.61±0.52 b | 5.19±0.10 ab | 0.45±0.01 a | 5 627.17±551.97 b | |
N480 | H1 | 5.75±0.19 c | 5.17±0.15 ab | 0.43±0.00 b | 4 879.79±228.13 c |
H2 | 6.63±0.66 b | 5.14±0.11 ab | 0.44±0.00 ab | 5 577.61±433.84 b | |
H3 | 6.60±0.59 b | 5.20±0.24 ab | 0.44±0.01 ab | 5 619.40±271.26 b | |
H4 | 6.53±0.63 bc | 5.12±0.08 ab | 0.45±0.01 ab | 5 486.83±581.31b | |
N | NS | NS | NS | * | |
H | ** | * | NS | ** | |
N×H | NS | NS | * | * |
指标 Index | 叶面积指数 LAI | 群体散射辐射透过系数 TR | 主茎叶比叶重 Specific leaf weight of main leaf | SPAD值 SPAD value | 单株结铃数 Boll number per plant | 单铃重 Single boll weight |
---|---|---|---|---|---|---|
群体散射辐射透过系数 TR | -0.861** | |||||
主茎叶比叶重 specific leaf weight of main leaf | -0.538 | 0.492 | ||||
SPAD值 SPAD value | -0.141 | 0.183 | 0.825** | |||
单株结铃数 Boll number per plant | -0.003 | -0.127 | 0.672* | 0.615 | ||
单铃重 Single boll weight | -0.577 | 0.535 | 0.755* | 0.311 | 0.575 | |
产量 Yield | -0.111 | -0.004 | 0.740* | 0.601 | 0.985** | 0.706* |
Table 7 Correlation between main canopy indexes and yield traits in different treatments。
指标 Index | 叶面积指数 LAI | 群体散射辐射透过系数 TR | 主茎叶比叶重 Specific leaf weight of main leaf | SPAD值 SPAD value | 单株结铃数 Boll number per plant | 单铃重 Single boll weight |
---|---|---|---|---|---|---|
群体散射辐射透过系数 TR | -0.861** | |||||
主茎叶比叶重 specific leaf weight of main leaf | -0.538 | 0.492 | ||||
SPAD值 SPAD value | -0.141 | 0.183 | 0.825** | |||
单株结铃数 Boll number per plant | -0.003 | -0.127 | 0.672* | 0.615 | ||
单铃重 Single boll weight | -0.577 | 0.535 | 0.755* | 0.311 | 0.575 | |
产量 Yield | -0.111 | -0.004 | 0.740* | 0.601 | 0.985** | 0.706* |
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