摘要
以‘耐莫尼塔’番茄为试材,采用膜下滴灌技术,以田间最大持水量的90%为灌水上限,设置田间最大持水量的40%、50%、60%、70%、80%为灌水下限,研究了不同土壤含水量对番茄生长和生理指标的影响.结果表明:当灌水下限为田间最大持水量的60%时,番茄生育期内生长指标、组织相对含水量、实际光化学效率、净光合速率等生理指标及产量均显著优于其他处理.土壤田间最大持水量的60%为日光温室番茄栽培的适宜灌水下限,可作为土壤水分管理的依据.
The effects of different irrigation amount on the growth and physiological indexes of tomato were studied with drip irrigation under plastic film in greenhouse.The study material was ＇Namonita＇ variety,the irrigation max limit was 90% of field capacity,the irrigation min limit were 40%,50%,60%,70%,80% of the field capacity respectively.The results showed：plant growth index,relative water content,photochemical efficiency of PSⅡ and net photo synthesis rate of tomato under 60% of field capacity were higher than that of other treatments.It is suggested that 60% of water requirement is an ideal level of irrigation limit for cultivating tomato in greenhouse.
出处
《甘肃农业大学学报》
CAS
CSCD
北大核心
2012年第5期69-74,81,共7页
Journal of Gansu Agricultural University
基金
现代农业产业技术体系专项资金(CARS-25-C-07)
农业部公益性行业(农业)专项(201203001)
国家星火计划(2010GA860005)
甘肃省青年科技基金计划(1007RJYA012)
关键词
番茄
膜下滴灌
生理指标
产量
tomato
drip irrigation under plastic film
physiology index
yield
