关键词: 射干[Belamcanda chinensis (L.) DC.], 玉米, 套种, 生态育苗

Abstract: The ecological seedling raising technology of Belamcanda chinensis was studied by using the method of interplanting maize. The results showed that there were significant differences between each Belamcanda chinensis treatment and the control. 3 rows of Belamcanda chinensis seedling interplanting with 2 rows of maize in north-south row orientation had the highest number of Belamcanda chinensis seedlings of 3.568 5 million/hm², an increase of 134.38% compared with the control; there were significant differences in chlorophyll content, leaf surface humidity and leaf surface temperature in each treatment compared with the control. The soil temperature and Belamcanda chinensis leaf temperature were the lowest, and the species, quantity and fresh weight of weeds were the lowest in north-south interplanting 5 rows of Belamcanda chinensis with 4 rows of maize; there was no significant difference in plant height, stem diameter, seed weight and yield among each treatment of the north-south and the east-west in interplanting Belamcanda chinensis with maize. The model with the highest economic benefit was interplanting 3 rows of Belamcanda chinensis with 2 rows of maize, running north-south, with the economic benefit of Belamcanda chinensis seedling reaching 356 900 yuan/hm², and the economic benefit of interplanting Belamcanda chinensis with maize reaching 366 000 yuan/hm².

Key words: Belamcanda chinensis (L.) DC., maize, interplant, ecological seedling