Bài viết Ảnh hưởng của nồng độ phun dung dịch hữu cơ bón lá đến sinh trưởng, năng suất và hiệu quả kinh tế của cây mồng tơi và cải canh hằm trình bày xác định nồng độ phun dung dịch hữu cơ bón lá Batraixanh Greco 01S thích hợp cho sản xuất rau mồng tơi và rau cải canh trong vụ Xuân Hè tại Gia Lâm, Hà Nội. | Trường Đại học Nông Lâm TP. Hồ Chí Minh 9 Effects of organic foliar fertilizer concentrations on growth yield and economic efficiency of malabar spinach and mustard greens Loan T. Nguyen Faculty of Agonomy Vietnam National University of Agriculture Ha Noi Vietnam ARTICLE INFO ABSTRACT Research Paper This study aimed to determine spraying concentrations of the organic foliar solution-Batraixanh Greco 01S for the production of malabar spinach Received March 22 2022 and mustard greens in Spring in Gia Lam Ha Noi. Two experiments with Revised August 15 2022 malabar spinach and mustard greens were arranged in a randomized com- Accepted August 21 2022 plete block design with 5 treatments and 3 replications. In ech experiment the treatments included 5 different spraying concentrations of the foliar Keywords solution 0 2 3 4 5 mL L per each spray . The number of sprays for malabar spinach and mustard greens was 4 and 2 times respectively and the diluted solution for each spray was 1 L m2 . The results showed that Foliar fertilizer the application of these solutions on malabar spinach and mustard greens Leafy vegetables significantly increased the growth and yield of these two leafy vegetables Organic solution P lt . Malabar spinach sprayed with 3 - 5 mL L per spray had the Yield highest yield - tons ha . The greatest yield of mustard greens was achieved with a spraying concentation of less than 3 mL L Corresponding author tons ha . Malabar spinach and mustard greens sprayed with 3 mL L gave the best profit margins of and respectively. Nguyen Thi Loan Email ntloan@ Cited as Nguyen L. T. 2022 . Effects of organic foliar fertilizer concentrations on growth yield and economic efficiency of malabar spinach and mustard greens. The Journal of Agriculture and Development 21 4 9-16. Tạp chí Nông nghiệp và Phát triển 21 4 10 Trường Đại học Nông Lâm TP. Hồ Chí Minh Ảnh hưởng của nồng độ phun dung dịch hữu cơ bón lá .
