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苏联和国外的科学家,都特别注意一年生和多年生作物根系的研究,探明根系不仅供应植物水分和营养物质,而且,是合成植物正常生长发育所必须的各种有机化台物的“实验室”。现阶段逐渐由种子繁殖过渡到营养繁
Both the Soviet Union and foreign scientists paid special attention to the research on the root system of annual and perennial crops, and found that the root system not only supplied plant water and nutrients, but also was a “laboratory” for synthesizing various organic plants necessary for the normal growth and development of plants. . At this stage the gradual transition from seed multiplication to nutrition