北方半干旱区紫花苜蓿适宜品种选择及其合理施肥研究
북방반간한구자화목숙괄의품충선택급기합리시비연구
The Selection of Suitable Variety and Proper Fertilization of Alfalfa (Medicago sativa L.)in the Semiarid Area in North China
저자의 최근 논문