چکیده مقاله
Humic acid HA as a major portion of humic substances and organic mat ter play an important role in soil fertility and environmental sustainability Previous studies reported an enormous range of responses after HA appli cation on plants To investigate the influence of HA on pelargonium plants cv ‘Hortorum’ this study was conducted as a randomized complete block design under greenhouse condition Treatments included HA at 0, 250 and 500 mg L 1 concentrations that were added into the soil via irrigation Application of HA at both 250 and 500 mg/L promoted plant growth char acteristics; however, application of 250 mg L 1 of HA showed better improvement in terms of numbers of leaves, numbers of flowering shoots, and numbers of flowers per plant Moreover, the length and diameter of the flowering shoot, inflorescence diameter, fresh weight of the aerial parts per plant, and leaf nitrogen N were improved only by 250 mg L 1 of HA application
کلیدواژهها
نویسندگان
Amirhossein Najarian
Department of Horticultural Science ,Karaj Branch, Islamic Azad University ,Karaj, Iran
Mohammad Kazem Souri
Department of Horticultural Science ,Tarbiat Modares University ,Tehran, Iran
شیوه ارجاع
Najarian, Amirhossein and Souri, Mohammad Kazem,1401,Influence of humic substance on vegetative growth, flowering and leaf mineral elements of Pelargonium x hortorum,7th International Conference on Agriculture & Environment with sustainable development approach,Tehran
ارائهشده در
مجموعه مقالات هفتمین همایش بین المللی مهندسی کشاورزی و محیط زیست با رویکرد توسعه پایدار25 اسفند 1401 · تهران