微润灌溉条件下不同交替周期对室外辣椒生长的影响研究
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摘要
为了探究微润交替灌溉前提下不同交替周期对大棚辣椒生长发育的影响,该试验在1 m压力水头前提下,设置4 d交替周期(A处理)、8 d交替周期(B处理)、持续不间断(C处理) 3个不同处理,并设置普通灌溉(D处理)作为对照,通过分析辣椒生长过程中的土壤含水率、茎粗、株高等指标以期得到不同微润灌溉周期对作物生长的影响。研究结果显示:微润灌溉处理组的植株生长指标和生产量均高于普通灌溉组,其中灌溉水分生产率分别为普通灌溉组的2.13、2.09和1.35倍,其中4 d交替周期处理的灌溉水分生产率最高。
In order to explore the effects of different alternating cycles on the growth and development of greenhouse pepper under the premise of alternate moistube irrigation,the experiment set three treatments,including 4 d alternating cycle (A treatment),8 d alternating cycle (B treatment),continuous uninterrupted irrigation (C treatment) under the premise of 1 m pressure head,and ordinary irrigation (D treatment)was set as control. By analyzing the soil moisture content,stem diameter,plant height and other indicators during the growth of pepper,it was expected to obtain the effects of different micro-irrigation cycles on crop growth. The results showed that the plant growth index and production of every moistube irrigation treatment group were higher than those of the ordinary irrigation group,and the irrigation water productivity was 2.13,2.09 and 1.35 times of that of the ordinary irrigation group,respectively; the 4 d alternating cycle treatment had the highest irrigation water productivity.
In order to explore the effects of different alternating cycles on the growth and development of greenhouse pepper under the premise of alternate moistube irrigation,the experiment set three treatments,including 4 d alternating cycle (A treatment),8 d alternating cycle (B treatment),continuous uninterrupted irrigation (C treatment) under the premise of 1 m pressure head,and ordinary irrigation (D treatment)was set as control. By analyzing the soil moisture content,stem diameter,plant height and other indicators during the growth of pepper,it was expected to obtain the effects of different micro-irrigation cycles on crop growth. The results showed that the plant growth index and production of every moistube irrigation treatment group were higher than those of the ordinary irrigation group,and the irrigation water productivity was 2.13,2.09 and 1.35 times of that of the ordinary irrigation group,respectively; the 4 d alternating cycle treatment had the highest irrigation water productivity.
引文
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[2]王振忠.新型微润灌溉技术特点及效益分析[J].水利技术监督,2017,25(1):24-26.
[3]高振军,苏华山,徐翔,等.微润灌溉技术应用研究分析[J].中国农机化学报,2017,38(2):34-37.
[4]康绍忠,潘英华,石培泽.控制性作物根系分区交替灌溉的理论与试验[J].水利学报,2001(11):83-89.
[5]王银花,申丽霞,梁鹏,等.基于微润交替灌溉下不同压力水头对辣椒生长的影响[J].北方园艺,2018(15).
[6]尹玉娟,申丽霞,郭英姿,等.微润交替灌溉下管埋深对土壤水分入渗的影响[J].节水灌溉,2018(3):30-34.
[7]尹玉娟,申丽霞,郭英姿,等.不同间距交替微润灌对大棚空心菜生长的影响[J].节水灌溉,2017(9):1-4.
[8]张国祥,申丽霞,郭云梅.压力水头与土壤容重对微润灌溉水分入渗的影响[J].干旱地区农业研究,2017,35(4):67-73.
[9]何玉琴,成自勇,张芮,等.不同微润灌溉处理对玉米生长和产量的影响[J].华南农业大学学报,2012,33(4):566-569.
[10]张明智,牛文全,王京伟,等.微润管布置方式对夏玉米苗期生长的影响[J].节水灌溉,2016(3):80-83.
[11]李洪任,卢江海,邢文刚.根系分区交替滴灌周期对番茄产量品质及水分利用效率的影响[J].节水灌溉,2015(5):34-36.
[12]刘贤赵,宿庆,孙海燕.根系分区交替灌溉不同交替周期对苹果树生长、产量及品质的影响[J].生态学报,2010(18):63-70.