土壤干旱降低田菁根瘤的含水量和固氮活性。
Soil drought reduced moisture content and nitrogenase activity of nodules.
以田菁胶、磨芋胶、多聚甲醛和凝胶增强剂为主要原料，合成新型的无固相凝胶定时堵剂NSG - 2。
NSG-2 solid-free gel timing plugging agent is prepared with sesbania gum, paraformaldehyde and gum extender as main materials.
目前的3种压裂液对葡萄花油层污染均较为严重，田菁胶、香豆胶、瓜胶压裂液对岩心渗透率损害率分别为27.89%，18.51%，26.06%。
These 3 kinds of fracturing fluids may seriously contaminate Putaohua reservoir. The damage rate of sesbania gum, fenugreek gum and guar gum were 27.89%, 18.51%, 26.06% respectively.
毛萼田菁的茎瘤形成于茎上蛰伏的不定根发生点。 当合适的根瘤菌从不定根发生点裂口入侵后，刺激不定根原基周围的皮层细胞分裂形成含菌组织而发育成茎瘤。
Rhizobium sesbania infected through the apical rupture of the growing site of adventitious root, multiplied in the fissure around the root primordium and stimulated the division of cortex cells.
田 菁根瘤的含水量和固氮活性。
Soil drought reduced moisture content and nitrogenase activity of nodules.
田 菁根瘤的含水量和固氮活性。
Soil drought reduced moisture content and nitrogenase activity of nodules.
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