KẾT QUẢ NGHIÊN CỨU ẢNH HƯỞNG CỦA THAN TRẤU CHO LẠC TRÊN ĐẤT CÁT VÙNG DUYÊN HẢI NAM TRUNG BỘ

Currently, fertilizer demand for the purpose of agriculture development is plentiful. Biochar is the best organic material used to increase both soil fertility crop yield, by improving soil profiles though the processes of acid (aluminous) reduction, increasing nutrient holding capacity, and increasing the volume of particular substances such as Nitrogen (N), Phosphorus (P) and Potassium (K). Biochar has a significant role in holding and maintaining moisture in sandy soil suited to growing peanut crops. Soil fertility in these treatments was improved through the use of biochar, especially when biochar was applied in combination with manure and inorganic fertilizer(s). Yield and quality of green matter was significantly improved in treatments incorporating biochar. The treatment that applied a combination of biochar, manure and mineral fertilizers, all in quantities. This combination also achieved the greatest economic efficiency with a net profit of 28,161,000 VND/ha/crop, much higher than that of the control (13,836,000 VND/ha/crop).