Therefore, fertilizing means were improved to adjust the ratio of N and P fertilizers, and to supply K and microelement fertilizers in order to meet all nutrient element demand of sugarbeet growth.

• 针对目前土壤养分的状况，通过大量的田间试验、示范，提出合理的施肥建议，调整氮、磷的比例，改进施肥方法，有针对性地补钾、补微量元素肥料，以满足甜菜作物对各种营养元素的平衡吸收。