摘要
为明确复合肥减量配施生物有机肥的效果,以‘图腾’番茄为研究对象,研究在复合肥减量10%~30%条件下,配施与所减复合肥等质量的生物有机肥对土壤养分及酶活性的影响。结果表明:配施生物有机肥较不施肥处理(CK)可显著提高土壤速效养分,与复合肥处理(TK)相比,有机质、碱解氮、速效钾和速效磷分别显著提高了6.42%~26.11%、14.75%~26.23%、4.38%~10.74%和26.63%~39.09%。苗期,配施生物有机肥较CK和TK处理降低了土壤酶活性;开花期,F1、F2和F3处理分别使脲酶活性和过氧化氢酶活性显著提高73.05%~92.74%和14.65%~32.23%,成熟期仅F2处理使脲酶活性提高10.90%,F1、F2和F3分别使过氧化氢酶活性显著提高55.56%、82.22%和76.67%,随番茄生长期的延长,过氧化氢酶活性呈先增加后降低趋势。
To clarify the effect of compound fertilizer reduction with bio-organic fertilizer,taking a tomato cultivar’Tuteng’as the study object,we studied the effects of applying bio-organic fertilizer combined with different compound fertilizer reduction(10%,20%and 30%)on soil fertility and enzyme activity.The results showed that:compared with conventional fertilization(CK),chemical fertilizer reduction combined with bioorganic fertilizer could significantly increase the soil available nutrients,compared with compound fertilizer(TK)treatment,the contents of soil organic matter,balkali-nitrogen,available phosphorus and available potassium increased by 6.42%-26.11%,14.75%-26.23%,4.38%-10.74%and 26.63%-39.09%,respectively;compared with CK and TK,chemical fertilizer reduction combined with bio-organic fertilizer significantly decreased soil enzyme activity during seedling period;and increased the activities of urease and catalase at flowering stage by 73.05%-92.74%and 14.65%-32.23%,respectively;during maturity,the bio-organic fertilizer combined with chemical fertilizer reduction 20%(F2)increased the urease activity by 10.90%,and the bio-organic fertilizer combined with chemical fertilizer reduction 10%,20%,30%(F1,F2,F3)significantly increased the catalase activity by 55.56%,82.22%and 76.67%,respectively;with the extension of the growth period of tomato,the catalase activity increased first and then decreased.
作者
赵满兴
刘慧
王静
常慧璇
程治蓉
Zhao Manxing;Liu Hui;Wang Jing;Chang Huixuan;Cheng Zhirong(College of Life Sciences,Yan’an University,Yan’an 716000,Shaanxi,China;Shaanxi Key Laboratory of Chinese Jujube(Yan’an University),Yan’an 716000,Shaanxi,China)
出处
《农学学报》
2020年第2期56-61,共6页
Journal of Agriculture
基金
国家自然科学基金项目“可溶性有机氮在陕北黄土高原植被恢复中氮素转化中的作用”(41761068)
延安市科学技术研究发展计划项目“大棚蔬菜节水减氮增效水肥管理技术研究”(2013-KN11)
延安大学研究生教育创新计划“化肥减量配施有机肥对盆栽番茄产量及品质的影响”(YCX201807)
陕西省大学生创新创业训练计划项目“化肥减量配施生物有机肥对大棚辣椒产量及品质影响”(S201910719027).
关键词
生物有机肥
化肥减施
番茄
过氧化氢酶
脲酶
土壤肥力
Bio-organic Fertilizer
Chemical Fertilizer Reduction
Tomato
Catalase
Urease
Soil Fertility
