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肥-沙混施对盐碱地冬小麦群体库源关系的影响

本站小编 Free考研考试/2022-01-01

李晓爽1, 2,,
党红凯2,
宋妮1,
申孝军1,
孙景生1,,
1.中国农业科学院农田灌溉研究所 新乡 453003
2.河北省农林科学院旱作农业研究所 衡水 053000
基金项目: 国家自然科学基金重大项目51790534

详细信息
作者简介:李晓爽, 主要研究方向为作物水分高效利用。E-mail:lxsh1980@126.com
通讯作者:孙景生, 主要研究方向为节水灌溉原理与农业水资源高效利用技术。E-mail:jshsun623@163.com
中图分类号:S512.1+1

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出版历程

收稿日期:2019-05-05
录用日期:2019-06-24
刊出日期:2019-11-01

Effects of mixed application of biological organic fertilizer and Yellow River sediment on the sink-source relationship of winter wheat in saline-alkaline soil

LI Xiaoshuang1, 2,,
DANG Hongkai2,
SONG Ni1,
SHEN Xiaojun1,
SUN Jingsheng1,,
1. Farmland Irrigation Research Institute, Chinese Academy of Agricultural Sciences, Xinxiang 453003, China
2. Dryland Farming Institute, Hebei Academy of Agricultural and Forestry Sciences, Hengshui 053000, China
Funds: the National Natural Science Foundation of China51790534

More Information
Corresponding author:SUN Jingsheng, E-mail:jshsun623@163.com


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摘要
摘要:为明确掺黄河泥沙同时配施生物有机肥(肥-沙混施)条件下盐碱地冬小麦群体库、源的特征及变化规律,探讨肥-沙混施条件下作物库源动态变化特征,探求盐碱地冬小麦产量的限制因子,为盐碱地改良和开发利用提供理论依据,采用大田定位跟踪调查方法,于2015-2018年连续3个冬小麦生长季在河北省南皮县开展试验。设置掺黄河泥沙(SS)、配施生物有机肥(FF)、肥-沙混施(SF)和空白对照(CK)4个处理。结果表明,所有处理小麦旗叶花后净光合速率呈逐渐下降趋势,开花-花后20 d的平均值表现为SF > FF > SS > CK,SF、FF和SS分别比CK高12%、10%和4%以上,尤其在花后20 d,SF、FF和SS仍能维持较高的光合性能,分别比CK高55.08%、27.32%和1.88%。随生育进程光合势呈单峰曲线变化,孕穗-开花期达到最大,开花30 d后群体光合势快速下降,表现为SF > FF > SS > CK,SF、FF和SS在孕穗-开花期的3年平均光合势依次分别比CK提高29.02%、18.79%和10.62%;其花后总光合势分别比CK高41.66%、24.72%和13.94%。在表征源库关系的指标上,SF的全生育期、开花前和开花后源生产能力均为最高,分别比CK高34.06%、40.52%和28.15%;SF的穗数、总粒数、最大潜在库容和有效库容量均为最高,3年平均分别比CK高25.69%、30.00%、42.06%和38.84%。SF的产量、开花后源生产能力的转化率、粒叶比和经济系数均为最高,3年平均比CK提高41.08%、9.53%、8.50%和4.01%。本研究条件下,小麦的有效库容量与总穗数和穗粒数呈极显著正相关。总穗数和总粒数是影响盐碱地冬小麦产量的关键因子。掺黄河泥沙或配施生物有机肥均能够提高小麦光合性能,提高源生产能力,促进源库转化。掺黄河泥沙同时配施生物有机肥处理综合了掺黄河泥沙和配施生物有机肥的优点,效果最佳,更有利于滨海盐碱土壤的改良和可持续开发利用。
关键词:盐碱地/
生物有机肥/
黄河泥沙/
冬小麦/
库源关系
Abstract:To study the source and sink characteristics and the transformation of both source and sink of winter wheat in saline-alkali soil, we conducted an experiment in Nanpi County, China, during the winter wheat growing seasons from 2015 to 2018. The positioning monitoring test was employed in the study. The study involved four processes:biological organic fertilizer application (FF), mixing Yellow River sediment (SS), FF and SS combination (SF), and blank (CK) treatment as control. Wheat varietiy 'Xiaoyan 60' was used in the field as the experimental material, and the growth parameters and grain yield of the wheat were monitored during the growth period. The findings revealed that there was a gradual downward trend in the photosynthetic rate (Pn) of flag leaves after anthesis under different treatments. The order of flag leaves Pn was SF > FF > SS > CK from anthesis to 20 d after anthesis. SF, FF, and SS were averagely 55.08%, 27.32%, and 1.88% higher, respectively, than CK. As for the growth process, the leaf area duration showed a single peak curve, with the peak appearing at the boot-anthesis stage. After 30 days of anthesis, there was a rapid decline in leaf area duration, and the photosynthetic potential of the treatments was SF > FF > SS > CK. At the boot-anthesis stage, the photosynthetic potentials of SF, FF, and SS were increased by 29.02%, 18.79%, and 10.62% respectively, compared with CK. Moreover, their total photosynthetic potentials after anthesis were 41.66%, 24.72%, and 13.94% higher, respectively, than that of CK. The source productivity capacity of SF was the highest during the whole growth period, before and after anthesis, at 34.06%, 40.52%, and 28.15% higher respectively, than that of CK. SF had the highest storage indexes, including panicle number, total grain number, maximum potential storage capacity and effective storage capacity; these were averagely 25.69%, 30.00%, 42.06%, and 38.84% higher, respectively, than in CK. The source-sink relationship indexes of SF were all the highest. They were yield, conversion rate of source production capacity after anthesis, grain/leaf ratio, and economic coefficient; these were 41.08%, 9.53%, 8.50%, and 4.01%, higher, respectively, than with CK. In this study, the effective storage capacity showed significantly positive correlation with the total number of spikes and the total number of grain, and these were the key factors affecting winter wheat yield in saline-alkali soil. The way of mixing Yellow River sediment or applying bio-organic fertilizer could improve the photosynthetic performance of wheat, improve the production capacity of the source, and promote the transformation of the source-sink. The best treatment was the SF treatment, which combined SS and FF application. This treatment combines the advantages of both, and was more conducive to the improvement and sustainable development and utilization of coastal saline and alkaline soil.
Key words:Saline-alkaline soil/
Biological organic fertilizer/
Yellow River sediment/
Winter wheat/
Sink-source relationship

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图12015—2018年不同处理盐碱地冬小麦平均光合势的动态变化(a)和平均累积光合势(b)
CK为对照处理, FF为配施生物有机肥处理, SS为掺黄河泥沙处理, SF为配施生物有机肥+掺黄河泥沙处理。柱形图上不同字母表示差异显著(P < 0.05)。
Figure1.Changes of average leaf area duration (a) and average cumulative leaf area duration (b) of winter wheat in saline alkali soil under different treatments in 2015-2018
CK: control treatment; FF: biological organic fertilizer application; SS: mixing Yellow River sediment; SF: combined application of biological organic fertilizer and Yellow River sediment. Different lowercase letters above the column mean significant difference among treatments at 0.05 level.


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表1不同处理盐碱地冬小麦旗叶净光合速率变化动态
Table1.Dynamics of net photosynthetic rate of flag leaf of winter wheat under different treatments
μmol·m-2·s-1
年份
Year
测定时间
Measure time
处理Treatment
CK FF SS SF
2016 开花期Anthesis 22.59±0.24a 21.80±0.21a 24.15±0.23a 24.91±0.19a
花后10 d 10 days after anthesis 18.53±0.22b 20.76±0.19ab 21.01±0.19ab 24.36±0.12a
花后20 d 20 days after anthesis 10.27±0.14b 14.53±0.11b 11.06±0.08b 14.68±0.07a
平均Average 17.13 19.03 18.74 21.31
2017 开花期Anthesis 20.19±0.19b 22.14±0.22ab 24.93±0.18a 25.66±0.23a
花后10 d 10 days after anthesis 17.27±0.13c 19.59±0.15bc 20.29±0.16b 25.57±0.14a
花后20 d 20 days after anthesis 10.14±0.07c 13.25±0.10b 10.68±0.11c 19.81±0.13a
平均Average 15.87 18.33 18.63 23.68
2018 开花期Anthesis 21.51±0.21a 24.80±0.18a 22.14±0.21a 22.42±0.23a
花后10 d 10 days after anthesis 17.42±0.15a 18.70±0.13a 18.66±0.14a 18.48±0.13a
花后20 d 20 days after anthesis 9.58±0.11a 10.52±0.09a 9.79±0.06a 12.16±0.09a
平均Average 16.17 18.01 16.20 17.69
CK为对照处理; FF为配施生物有机肥处理; SS为掺黄河泥沙处理; SF为配施生物有机肥+掺黄河泥沙处理。同列数据后不同小写字母表示差异显著(P < 0.05)。CK: control treatment; FF: biological organic fertilizer application; SS: mixing Yellow River sediment; SF: combined application of biological organic fertilizer and Yellow River sediment. Values followed by different lowercase letters in the same column are significantly different at 0.05 level.


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表2不同处理盐碱地冬小麦的不同时期群体源生产能力
Table2.Dry matter production capacity of winter wheat in different growth periods in saline alkali soil under different treatments
年份
Year
处理
Treatment
群体源生产能力Dry matter production capacity of population (kg·hm-2) DCA/DCW
(%)
全生育期(DCW)
Whole growth period
开花前
Before anthesis
开花后(DCA)
After anthesis
2015—2016 CK 9 699.84±687.63c 4 624.41±137.53c 5 075.43±213.21ac 52.32±3.32a
FF 12 296.26±583.21b 5 808.91±131.63b 6 487.35±192.18a 52.76±1.21a
SS 10 312.65±464.24b 4 986.42±120.52b 5 326.23±181.82b 51.65±2.24b
SF 12 816.33±300.46a 6 455.30±100.24a 6 361.12±131.21a 49.63±1.88b
2016—2017 CK 8 967.39±482.32b 4 307.98±233.13c 4 659.41±168.73bc 51.96±2.21a
FF 11 452.05±464.25ab 5 497.67±161.72b 5 954.38±156.42c 51.99±1.00a
SS 9 772.90±531.21b 4 772.78±200.40b 5 000.12±300.21b 51.16±0.89ab
SF 12 289.64±601.23b 6 141.52±171.81a 6 148.12±192.20a 50.03±1.54b
2017—2018 CK 7 910.08±510.62c 3 761.44±255.12c 4 148.63±171.42c 52.45±3.11ab
FF 8 949.29±397.24b 4 324.06±197.20b 4 625.23±79.62ab 51.68±1.56a
SS 9 071.68±395.71ab 4 376.52±183.34b 4 695.16±131.88b 51.76±2.43ab
SF 10 519.83±488.98a 5 243.57±192.23a 5 276.26±149.25a 50.16±0.88a
CK为对照处理, FF为配施生物有机肥处理, SS为掺黄河泥沙处理, SF为配施生物有机肥+掺黄河泥沙处理。同列数据后不同小写字母表示差异显著(P < 0.05)。CK: control treatment; FF: biological organic fertilizer application; SS: mixing Yellow River sediment; SF: combined application of biological organic fertilizer and Yellow River sediment. Values followed by different lowercase letters in the same column are significantly different at 0.05 level.


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表3不同处理盐碱地冬小麦的群体库指标
Table3.Population sink indexes of winter wheat in saline alkali soil under different treatments
年份
Year
处理
Treatment
穗数
Spike number (106 spike·hm-2)
总粒数
Total grain number (104 grain·hm-2)
千粒重
1000-grain weight (g)
最大潜在库容
Potential sink storage capacity (kg·hm-2)
有效库容量
Effective sink storage capacity (kg·hm-2)
2015—2016 CK 3.75±0.34b 8.82±0.05 45.19±0.32b 5 324.1±301.7c 3 985.58±287.24c
FF 4.35±0.43a 11.18±0.04 45.57±0.23b 6 612.5±177.6b 5 095.68±119.26a
SS 3.90±0.36b 9.50±0.06 47.34±0.41a 6 630.5±285.4b 4 499.10±207.14b
SF 4.65±0.42a 11.78±0.03 46.72±0.36ab 7 850.4±407.2a 5 503.10±118.43a
2016—2017 CK 3.53±0.33b 8.15±0.04 42.12±0.28c 4 892.1±336.1c 3 430.93±206.56c
FF 4.02±0.31a 10.25±0.04 44.71±0.33b 5 773.5±187.1b 4 584.43±176.48b
SS 3.85±0.67b 9.27±0.09 46.62±0.62a 5 841.9±297.5b 4 322.75±230.72b
SF 4.33±0.21a 10.95±0.03 45.86±0.17ab 6 717.6±116.4a 5 023.32±114.24a
2017—2018 CK 3.31±0.36b 8.09±0.05 42.07±0.34bc 4 870.5±314.8c 3 396.88±197.76c
FF 4.04±0.36b 8.95±0.04 41.42±0.32b 5 954.6±222.1b 3 706.00±146.34ab
SS 3.73±0.38b 8.57±0.06 45.83±0.31a 6 256.9±274.7b 3 925.01±217.37b
SF 4.29±0.34a 9.88±0.04 45.46±0.24a 6 877.7±121.7a 4 485.70±122.03a
CK为对照处理, FF为配施生物有机肥处理, SS为掺黄河泥沙处理, SF为配施生物有机肥+掺黄河泥沙处理。同列数据后不同小写字母表示差异显著(P < 0.05)。CK: control treatment; FF: biological organic fertilizer application; SS: mixing Yellow River sediment; SF: combined application of biological organic fertilizer and Yellow River sediment. Values followed by different lowercase letters in the same column are significantly different at 0.05 level.


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表4不同处理下盐碱地冬小麦的源库关系
Table4.Source-sink relationship of winter wheat in saline alkali soil under different treatments
年份
Year
处理
Treatment
产量
Yield (kg·hm-2)
茎鞘物质输出率
Export rate of stem and sheath matter (%)
开花后源生产能力的转化率
Conversion rate of leaf source production capacity after anthesis (%)
粒叶比
Grain leaf ratio (grains·cm-2)
经济系数
Economic coefficient
2015—2016 CK 3 988.23±83.93c 23.14±0.62b 78.58±1.23c 0.37±0.01a 0.41±0.01a
FF 5 127.61±115.42ab 22.88±0.38b 79.04±0.97b 0.40±0.02a 0.42±0.02a
SS 4 456.92±96.70b 25.93±0.17a 83.68±1.26a 0.39±0.00a 0.43±0.02a
SF 5 449.52±102.72a 25.73±0.46b 85.67±0.89ab 0.41±0.03a 0.43±0.03a
2016—2017 CK 3 535.24±69.21c 22.56±1.04b 79.89±1.54b 0.34±0.02a 0.42±0.01a
FF 4 796.31±33.82ab 22.17±0.73b 80.55±0.79a 0.36±0.01a 0.42±0.02a
SS 4 274.13±67.54b 24.68±0.56a 85.48±0.83a 0.35±0.03a 0.44±0.03a
SF 5 354.42±97.23a 24.51±0.47a 87.09±0.64a 0.38±0.02a 0.44±0.02a
2017—2018 CK 3 317.77±72.61c 25.43±0.87b 79.97±1.29b 0.34±0.01a 0.42±0.01a
FF 3 704.65±65.66ab 26.44±0.58b 80.10±0.84a 0.32±0.00a 0.41±0.03a
SS 3 922.81±63.54b 27.19±0.41a 83.55±1.11a 0.32±0.02a 0.43±0.02a
SF 4 483.25±96.82a 26.93±0.49a 84.97±0.82a 0.35±0.00a 0.43±0.03a
CK为对照处理, FF为配施生物有机肥处理, SS为掺黄河泥沙处理, SF为配施生物有机肥+掺黄河泥沙处理。同列不同小写字母表示在0.05水平上差异显著。CK: control treatment; FF: biological organic fertilizer application; SS: mixing Yellow River sediment; SF: combined application of biological organic fertilizer and Yellow River sediment. Values followed by different lowercase letters in the same column are significantly different at 0.05 level.


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表5盐碱地冬小麦源库各特征因素间的相关系数(2016年)
Table5.Correlation coefficients between the components of sink and source of winter wheat in saline alkali soil in 2016
测定项目
Measuring item
有效库容量
Effective sink storage capacity
千粒重
1 000-grain weight
总穗数
Total ears number
穗粒数
Grain number per ear
穗粒重
Grain weight per ear
光合势
Leaf area duration
开花前Before anthesis 0.979 1* 0.085 5 0.996 5** 0.982 2* 0.681 2
开花后After anthesis 0.961 2* 0.114 4 0.984 6* 0.962 3* 0.647 2
全生育期Whole growth period 0.971 8* 0.098 3 0.992 5** 0.974 1* 0.667 3
源生产能力
Productive capacity of leaf source
开花前Before anthesis 0.853 2 0.530 4 0.781 3 0.791 2 0.233 1
开花后After anthesis 0.584 4 0.593 2 0.677 4 0.667 3 0.902 8
全生育期Whole growth period 0.984 3* 0.266 3 0.953 4* 0.958 4* 0.536 7
产量构成因素
Yield components
最大潜在库容Potential sink storage capacity 0.903 3 0.521 4 0.854 3 0.848 5 0.283 9
有效库容量Effective sink storage capacity 1.000 0** 0.117 8 0.991 6** 0.994 6** 0.663 8
穗粒重Grain weight per spike 0.664 2 0.662 9 0.712 2 0.743 3 1.000 0**
粒叶比Gain leaf ratio. 0.697 3 0.701 2 0.607 3 0.614 2 0.014 9
**和*分别表示极显著(P < 0.01)和显著(P < 0.05)相关。** and * indicate significant correlation at 0.01 and 0.05 levels, respectively.


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