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随着我国城市化进程的加快,建筑垃圾产生量越来越多。该研究通过建筑垃圾和商业基质进行复配,研究了其对番茄和生菜移植苗生长的影响,探讨建筑垃圾作为园艺栽培基质原料的可能性。结果表明:随着建筑垃圾体积含量的增加,复配基质中pH、容重随之升高,而有机质含量、持水量、总孔隙度、NH_4~+-N和NO_3~--N含量随之降低,EC值呈先升高后降低的趋势。番茄和生菜移植苗鲜质量、干质量、株高和茎粗均随着复配基质中建筑垃圾体积含量的增加呈先增加后减少的趋势。该研究结果表明,复配基质中建筑垃圾体积含量为50%时,番茄和生菜移植苗的生长最好。
As China’s urbanization accelerates, more and more construction waste is generated. The study was conducted on the effects of construction waste and commercial substrates on the growth of tomato and lettuce transplant seedlings and on the possibility of using construction waste as raw material for horticultural cultivation. The results showed that with the increase of the volume of construction waste, the pH and bulk density increased with the increase of construction waste volume, while the content of organic matter, water holding capacity, total porosity, NH 4 + -N and NO 3 - -N decreased , EC value first increased and then decreased. The fresh weight, dry weight, plant height and stem diameter of tomato seedling and lettuce seedlings both increased and then decreased with the increase of the volume of construction waste in the compounding matrix. The results show that the growth of tomato and lettuce seedlings is best when the volume of construction waste in the compound matrix is 50%.