中国农业科学 ›› 2019, Vol. 52 ›› Issue (21): 3763-3772.doi: 10.3864/j.issn.0578-1752.2019.21.005
• 专题:玉豆带状复合种植系统对光水的响应 • 上一篇 下一篇
收稿日期:
2019-03-17
接受日期:
2019-05-16
出版日期:
2019-11-01
发布日期:
2019-11-12
通讯作者:
王小春
作者简介:
彭霄,E-mail: 基金资助:
PENG Xiao,PU Tian,YANG Feng,YANG WenYu,WANG XiaoChun()
Received:
2019-03-17
Accepted:
2019-05-16
Online:
2019-11-01
Published:
2019-11-12
Contact:
XiaoChun WANG
摘要:
目的 探究不同灌水比例和灌水时间对单套作玉米产量及其水分利用效率的影响,为构建套作复合群体水分高效管理技术提供依据。方法 采用自动式遮雨棚水分精量控制,2016—2017年连续2年在灌溉定额4 050 m 3·hm -2条件下,设置2种种植模式(单作A1、套作A2)、3种灌水比例(播种水25%+拔节水25%+抽雄水25%+灌浆水25%,B1;播种水25%+拔节水25%+抽雄水15%+灌浆水35%,B2;播种水25%+拔节水35%+灌浆水40%,B3)两因素随机区组试验。研究不同种植模式下灌水时间和灌水比例对玉米生育期内土壤含水量、棵间蒸发量、耗水特征、产量及水分利用效率的影响。 结果 相同的灌溉定额下,玉米拔节后单作土壤含水量比套作平均高出16.60%,拔节期—成熟期套作棵间蒸发量平均较单作高出23.60%;单套作耗水强度高峰期均为拔节—抽雄期,日耗水强度最高达到7.21 mm·d -1,耗水量占全生育期21.62%—31.67%,拔节期后套作阶段耗水强度均显著高于单作,平均高出3.68%;单作玉米产量在播种水25%+拔节水35%+灌浆水40%时达最高,平均较单作其他处理提高16.49%,水分利用效率平均提高11.71%,而套作则在灌水处理为播种水25%+拔节水25%+抽雄水15%+灌浆水35%时,穗粒数、有效穗数平均较其他灌水处理增加4.47%、6.97%,从而使产量平均增加22.07%,水分利用效率平均提高19.11%。 结论 本试验灌溉定额为4 050 m 3·hm -2下,播种、拔节期、灌浆期分别灌水25%、35%、40%有利于提高单作玉米产量,而套作玉米采用宽窄行带状栽培则需要增加一次灌水时间,在播种、拔节期、抽雄期、灌浆期分别灌水25%、25%、15%、35%有利于提高其产量及水分利用效率。
彭霄,蒲甜,杨峰,杨文钰,王小春. 灌水时间和灌水比例对单套作玉米产量 及水分利用效率的影响[J]. 中国农业科学, 2019, 52(21): 3763-3772.
PENG Xiao,PU Tian,YANG Feng,YANG WenYu,WANG XiaoChun. Effects of Irrigation Time and Ratio on Yield and Water Use Efficiency of Maize Under Monoculture and Intercropping[J]. Scientia Agricultura Sinica, 2019, 52(21): 3763-3772.
表1
不同处理对玉米各生育阶段棵间蒸发量的影响"
年份 Year | 处理 Treatment | 播种—拔节期 Sowing-Jointing stage | 拔节—抽雄期 Jointing-Tasseling stage | 抽雄—灌浆期 Tasseling-Filling stage | 灌浆—成熟期 Filling-Mature stage | |
---|---|---|---|---|---|---|
2016 | A1B1 | 0.94a | 3.55e | 0.65b | 0.54c | |
A1B2 | 0.98a | 3.67e | 0.64b | 0.63b | ||
A1B3 | 1.01a | 3.74d | 0.17d | 0.70a | ||
A2B1 | 0.96a | 4.72c | 0.71a | 0.60b | ||
A2B2 | 0.97a | 5.35b | 0.75a | 0.66b | ||
A2B3 | 0.95a | 5.56a | 0.27c | 0.77a | ||
F值F-value | A | 0.74 | 2425.63** | 2.9* | 3.60* | |
B | 0.69 | 95.75** | 79.69** | 14.13** | ||
A×B | 1.62 | 39.45** | 4.27* | 0.36 | ||
2017 | A1B1 | 0.65a | 0.62d | 0.90b | 0.60d | |
A1B2 | 0.68a | 0.60d | 0.86b | 0.68c | ||
A1B3 | 0.67a | 0.67c | 0.73c | 0.79b | ||
A2B1 | 0.58ab | 0.74b | 1.05a | 0.80b | ||
A2B2 | 0.70a | 0.73b | 0.92b | 0.82b | ||
A2B3 | 0.47b | 0.86a | 0.59d | 0.91a | ||
F值F-value | A | 11.74 | 102.07** | 1.98 | 135.07** | |
B | 8.06 | 11.56** | 108.17** | 45.34** | ||
A×B | 6.33 | 1.89 | 23.80** | 4.02 |
表2
玉豆带状套作系统不同位置棵间蒸发量"
年份 Year | 位置 Place | A1 | A2 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
B1 | B2 | B3 | B1 | B2 | B3 | ||||||||
2016 | SS | — | — | — | 1.64a | 1.57a | 1.40a | ||||||
MS | — | — | — | 1.55b | 1.56a | 1.37ab | |||||||
MM | 1.17 | 1.24 | 1.23 | 1.45c | 1.37b | 1.32b | |||||||
AVG | 1.17e | 1.24d | 1.23d | 1.55a | 1.50b | 1.36c | |||||||
2017 | SS | — | — | — | 0.84a | 0.85a | 0.85a | ||||||
MS | — | — | — | 0.78b | 0.73b | 0.74b | |||||||
MM | 0.71 | 0.67 | 0.65 | 0.70c | 0.62c | 0.52c | |||||||
AVG | 0.71c | 0.67d | 0.65d | 0.77a | 0.73b | 0.70c |
表3
2016年不同处理对玉米不同生育阶段土壤水分消耗量的影响"
处理 Treatment | 播种—拔节期 Sowing-Jointing stage | 拔节—抽雄期 Jointing-Tasseling stage | 抽雄—灌浆期 Tasseling-Filling stage | 灌浆—成熟期 Filling-Mature stage | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
A1B1 | 37.92a | 0.67c | 2.12e | 28.56a | |||||||
A1B2 | 37.80a | 1.27c | 4.57c | 13.77c | |||||||
A1B3 | 37.73a | 2.21b | 2.31d | 10.41c | |||||||
A2B1 | 38.19a | 2.14b | 6.12b | 19.07b | |||||||
A2B2 | 37.59a | 2.02b | 11.04a | 12.91c | |||||||
A2B3 | 37.74a | 9.48a | 0.82f | 26.97a | |||||||
F值F-value | A | 0.01 | 7.48* | 630.41** | 7.84** | ||||||
B | 1.39 | 904.97** | 798.76** | 67.02** | |||||||
A×B | 0.51 | 587.78** | 526.98** | 107.58** |
表4
不同处理对玉米生育阶段耗水量、耗水模系数和耗水强度的影响"
处理 Treatment | 播种—拔节期 Sowing-Jointing stage | 拔节—抽雄期 Jointing-Tasseling stage | 抽雄—灌浆期 Tasseling-Filling stage | 灌浆—成熟期 Filling-Mature stage | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CA (mm) | CP (%) | CD (mm) | CA (mm) | CP (%) | CD (mm) | CA (mm) | CP (%) | CD (mm) | CA (mm) | CP (%) | CD (mm) | ||||||||
A1B1 | 139.19a | 29.60c | 3.02a | 101.67d | 21.62c | 4.84d | 98.88b | 21.03b | 4.30b | 129.56d | 27.55d | 4.18d | |||||||
A1B2 | 138.59a | 29.98ab | 3.02a | 102.27d | 22.13b | 4.87d | 65.57d | 14.19d | 2.85d | 155.77c | 33.70c | 5.03c | |||||||
A1B3 | 138.74a | 30.31a | 3.02a | 144.21b | 31.51a | 6.87b | 2.31e | 0.50e | 0.10e | 172.41b | 37.67b | 5.56b | |||||||
A2B1 | 138.92a | 29.81bc | 3.03a | 103.14c | 22.13c | 4.96c | 107.12a | 22.99a | 4.66a | 120.07e | 25.77e | 3.87e | |||||||
A2B2 | 138.80a | 29.87bc | 3.01a | 103.02c | 22.17c | 4.91c | 72.04c | 15.50c | 3.13c | 154.91c | 33.33c | 5.00c | |||||||
A2B3 | 138.73a | 29.00d | 3.02a | 151.48a | 31.67a | 7.21a | 0.82f | 0.17f | 0.04f | 188.97a | 39.50a | 6.10a | |||||||
F值F-value | A | 0.01 | 38.89** | 0.00 | 7.49* | 158.30** | 6.90* | 630.32** | 283.92** | 779.54** | 630.32** | 0.79 | 8.13* | ||||||
B | 1.39 | 6.46* | 1.15 | 49574.85** | 54821.90** | 42507.89** | 152512.30** | 47811.32** | 144910.63** | 152512.30** | 3227.87** | 1937.71** | |||||||
A×B | 0.51 | 50.93** | 0.38 | 588.30** | 100.80** | 507.30** | 526.91** | 137.67** | 368.76** | 526.91** | 74.84** | 110.18** |
表5
不同处理对玉米穗部性状及产量构成因素的影响"
年份 Year | 处理 Treatment | 穗长 Ear length (cm) | 秃尖长 Bald length (cm) | 穗粒数 Kernels per spike | 有效穗 Number of productive (ear/hm2) | 空秆 Empty (spike/hm2) | 千粒重 1000-kernel weight (g) | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
2016 | A1B1 | 16.38a | 1.24d | 581b | 54436b | 5562b | 256.39a | |||||
A1B2 | 16.43a | 1.71b | 603a | 57436a | 2562d | 260.47a | ||||||
A1B3 | 16.14a | 1.97a | 621a | 58190a | 1808e | 254.52a | ||||||
A2B1 | 14.94a | 1.55c | 571b | 54463b | 5535b | 249.34a | ||||||
A2B2 | 14.94a | 1.53c | 586b | 57186a | 2812c | 257.44a | ||||||
A2B3 | 15.45a | 2.00a | 565c | 53102b | 6896a | 244.24a | ||||||
F值F-value | A | 4.79 | 1.61 | 220.21** | 1542.78** | 103195.32** | 31.25 | |||||
B | 0.02 | 59.91** | 42.16** | 127.01** | 90673.31** | 21.82 | ||||||
A×B | 0.21 | 9.96** | 59.74** | 810.09** | 90816.22** | 8.28 | ||||||
2017 | A1B1 | 20.11a | 2.00c | 609c | 55062b | 4943c | 283.98a | |||||
A1B2 | 19.76a | 1.68d | 641b | 56939b | 3064e | 285.82a | ||||||
A1B3 | 22.56a | 1.41e | 674a | 59442a | 563f | 280.21a | ||||||
A2B1 | 18.60a | 2.27b | 556e | 53995c | 6007b | 269.61a | ||||||
A2B2 | 18.16a | 1.69d | 581d | 55810b | 4188d | 279.42a | ||||||
A2B3 | 18.26a | 2.86a | 543e | 49912d | 10089a | 277.23a | ||||||
F值F-value | A | 5.89 | 569.97** | 808.15** | 139.76** | 1.92 | 2.81 | |||||
B | 0.72 | 154.84** | 41.71** | 12.83** | 0.17 | 0.53 | ||||||
A×B | 0.80 | 336.97** | 75.42** | 72.28** | 1153222.83 | 0.51 |
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