NGHIÊN CỨU ẢNH HƯỞNG CỦA GIÁ THỂ BỔ SUNG MỘT SỐ CHẾ PHẨM SINH HỌC ĐẾN SINH TRƯỞNG, PHÁT TRIỂN, CHẤT LƯỢNG CÂY MẠ KHAY TẠI CÔNG TY CỔ PHẦN MÍA ĐƯỜNG LAM SƠN, THANH HÓA

Abstract

This article deals with the effects of substrates added with some probiotic productions on the growth, development of rice seedling Thien Uu 8 variety planted at Lam Son Sugar Cane Joint Stock Coporation, Thanh Hoa, The experiment was designed in randomized complete block (RCBD) with 4 treatments and 3 replicates in Spring crop 2018: 1) Treatment 1 (control): 70% Basalt soil + 30% SAWDUST +0,9kg Ure/m3 subtrates + 12kg supe phosphate/m3 substrates + 1,3kg KCl/m3 substrates.; 2) Treatment 2: 50% Basalt soil + 17,5% straw+ 17,5% Bagasse mud + 10% Peat + 5% Cow dung + probiotics AT Bio- Decomposer; 3) Treatment 3: 50% Basalt soil + 17,5% straw+ 17,5% Bagasse mud + 10% Peat + 5% Cow dung + Trichoderma probiotic production; 4) Treatment 4: 50% Basalt soil + 17,5% straw+ 17,5% Bagasse mud + 10% Peat + 5% Cow dung + EM probiotic production. The results showed that the substrates contented 50% Basalt soil + 17,5% straw+ 17,5 % Bagasse mud + 10% Peat + 5% Cow dung + Trichoderma (Formula CT3) probiotic product was suitable for the growth and development of rice seedling Thiên Ưu 8 variety to have the highest tolerability and good quality.
Keywords: Prices of media, plating tray, growth, development, quality.