研究者还发现有氧小组成员中他们血液中一种重要的给大脑施肥的化学物质脑源性神经营养因子有了明显的增加。
The researchers also saw a significant increase in that important brain-fertilizing chemical BDNF in the plasma of those in the aerobic exercise group — but not in the control group.
应用此项技术，可以确切地诊断胶树营养状况，据此对症施肥，可以提高肥效，增加产量10 ~ 20%。
Fertilization based on the diagnosis can enhance the effect of fertilizers, thereby increasing the yield by 10-20%.
营养——生长季里提供一定的营养是必要的，然后逐渐降低养分供给，到了休眠的时候就不要施肥了。
Nutrients - it's essential to provide nutrients in some form during the growing season and then taper off to none when your plants are dormant.
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