尿素硝铵溶液对胶东卫矛生长特性及保护酶活性的影响
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摘要
通过对比分析尿素硝铵溶液和尿素对胶东卫矛生长及保护酶活性的影响规律,以期为育苗实践中科学合理施肥提供理论依据。试验在田间条件下,设置不施肥(X1)、尿素(X2)、尿素溶液(X3)、尿素硝铵溶液(X4)4个处理,3次重复。结果表明:株高X4比X2、X3提高了6.12%、16.26%;叶片含水量X4在5-9月分别比X2提高了3.84%、7.81%、4.02%、4.63%、8.87%,无显著差异;SOD活性X4在7-9月份显著高于X2,8-9月显著高于X3;POD活性X4在8月份比X2提高了19.90%,差异显著,其余月份不同施肥处理之间无显著差异。综合分析认为,X4对促进胶东卫矛生长和提高保护酶活性效果优于尿素处理。
In order to study the effect of urea ammonium nitrate solution and urea on Euonymus kiautschovicus Loes. growth characteristics and protective enzyme activities, then it what to provide theoretical basisfor scientific and rational fertilization when in practice of seedling raising.The test was under field conditions, and then set 4 treatment as no fertilizer(X1), urea(X2), urea solution(X3) and urea ammonium nitrate solution(X4),repeat 3 times.The results showed that: the plant height which X4 treatment was higher than X2,X3 as 6.12%,16.26%; leaf water contentwhich X4 treatment was higher than X2 as 3.84%,7.81%,4.02%,4.63%,8.87% when in May to September and then it was no significant difference;SOD activitywhich X4 was significantly higher thanX2 when in July to September, at the same times, it was significantly higher than X3 when in August to September;POD activity which X4 was higher than X2 as 19.90% and then it was have significantly different when in August, and there was no significant difference between different fertilization treatments in other months.According to the comprehensive analysis, X4 was better than urea treatment on promoting growth and protective enzyme activities.
In order to study the effect of urea ammonium nitrate solution and urea on Euonymus kiautschovicus Loes. growth characteristics and protective enzyme activities, then it what to provide theoretical basisfor scientific and rational fertilization when in practice of seedling raising.The test was under field conditions, and then set 4 treatment as no fertilizer(X1), urea(X2), urea solution(X3) and urea ammonium nitrate solution(X4),repeat 3 times.The results showed that: the plant height which X4 treatment was higher than X2,X3 as 6.12%,16.26%; leaf water contentwhich X4 treatment was higher than X2 as 3.84%,7.81%,4.02%,4.63%,8.87% when in May to September and then it was no significant difference;SOD activitywhich X4 was significantly higher thanX2 when in July to September, at the same times, it was significantly higher than X3 when in August to September;POD activity which X4 was higher than X2 as 19.90% and then it was have significantly different when in August, and there was no significant difference between different fertilization treatments in other months.According to the comprehensive analysis, X4 was better than urea treatment on promoting growth and protective enzyme activities.
引文
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[2]邢星,马旭.硝铵尿素液肥在酱用番茄上的田间肥效试验[J].新疆农垦科技,2015,(2):40-41.
[3]唐燕,魏淑花.氮对污水灌溉胶东卫矛生长及保护酶活性的影响[J].西南农业学报,2016,(6):1311-1314.
[4]唐燕,魏淑花.氮对胶东卫矛光合作用的影响[J].江西农业学报,2017,(9):62-65.
[5]孟令远,马光恕.不同施氮量对卫矛保护酶活性及可溶性蛋白含量的影响[J].黑龙江八一农垦大学学报,2014(5):1-4.
[6]白宝璋.植物生理学测试技术[M].中国科学技术出版社,1993:140-147.
[7]张吉立.不同氮磷肥施用量对城市景观草坪生长与养分吸收的影响[J].中国土壤与肥料,2014,(6):63-66.
[8]张吉立.旅游景观园林早熟禾合理施肥试验研究[J].中国土壤与肥料,2012,(4):65-69.
[9]姚海燕,杨淑华.尿素硝铵溶液(UAN)对玉米生长及产量的影响[J].中国农业信息,2017,(13):44-45.
[10]张吉立.不同硝酸钾用量对早熟禾生长性状的影响[J].上海交通大学学报(农业科学版),2016,(1):81-84.