Bưởi Đại Minh trồng nhiều ở huyện Yên Bình tỉnh Yên Bái và huyện Đoan Hùng tỉnh Phú thọ. Chế phẩm EMINA là chế phẩm hỗn hợp nhiều vi sinh vật có lợi: Lactobacilus spp, Trichoderma spp, Bacillus spp, Steptomyces spp và Rhodobater sp. Thí nghiệm nghiên cứu trên giống bưởi Đại Minh 25 năm sau trồng. Vật liệu nghiên cứu sử dụng chế phẩm EMINA. | TNU Journal of Science and Technology 226 10 283 - 290 EFFECTS OF EMINA PRODUCTS ON THE GROWTH AND DEVELOPMENT OF DAIMINH POMELO YEN BINH DISTRICT YEN BAI PROVINCE Pham Van Ngoc1 Vu Thi Quy1 Chu Van Trung1 Vu Thi Kim Hao1 Nguyen Thi Mai Thao1 Nguyen Thu Thuy1 Do Thi Hong Hanh2 1 TNU University of Agriculture and Forestry 2TNU University of Economics and Bussiness Administration ARTICLE INFO ABSTRACT Received 27 5 2021 Dai Minh pomelo is grown a lot in Yen Binh district Yen Bai province and Doan Hung district Phu Tho province. EMINA product is a mixture Revised 01 7 2021 of many beneficial microorganisms Lactobacillus spp Trichoderma Published 13 7 2021 spp Bacillus spp Streptomyces spp and Rhodobater sp. Experimental study on Kha Linh pomelo variety 25 years later planted in Dai Minh KEYWORDS commune. EMINA product research materials research formula spray concentration 0 - 1 - 2 and 3 repeat three times each formula Kha Linh Pomelo 15 plants. The study was conducted for two years. The experiment was Đoan Hung Pomelo conducted from November 2018 to December 2019 on 180 trees Pomelo building a demonstration model from December 2019 to December 2020 with a scale of 02 hectares. The results showed that spraying at a Citrus fruit trees concentration of 3 gave the highest yield quality and the lowest rate EMINA of black spot disease on leaves and fruits. The yield was kg plant and fruit and foliar diseases showed the least and respectively. In a 3 EMINA spray demonstration model with a yield of 47 255 kg ha the total revenue was million VND ha and the profit was million VND ha. At the same time the control had total revenue of million VND ha and a profit of million VND ha. ẢNH HƯỞNG CHẾ PHẨM EMINA ĐẾN SINH TRƯỞNG VÀ PHÁT TRIỂN BƯỞI ĐẠI MINH HUYỆN YÊN BÌNH TỈNH YÊN BÁI Phạm Văn Ngọc1 Vũ Thị Quý 1 Chu Văn Trung1 Vũ Thị Kim Hảo1 Nguyễn Thị Mai Thảo1 Nguyễn Thu Thùy1 Đỗ Thị Hồng Hạnh2 1 Trường Đại học Nông lâm ĐH Thái Nguyên 2
