论文部分内容阅读
承德农科所试验和调查掌握的情况表明,在干旱冷凉山区,大自然条件变化,不利于作物正常生长时,应用以下几种植物生长调节剂可起到一定的抗御低温冷害、干旱,保水效果。
Experiments and surveys conducted by Chengde Agricultural Science Bureau show that the application of the following plant growth regulators can play a certain role in resisting cold damage, drought and water retention in the cold and cold mountainous areas where natural conditions change and are not conducive to the normal crop growth. effect.