此外，还有人担心打印食品的健康价值：我们真的有可能从以食品为基础成分的“墨水”或类似的东西中得到需要的养分吗？
Also, here are worries about the healthy value of printed food: is it really possible to get what we need from food-based "inks" or something like that?
影响化肥利用率的因素较多，除使用不当外，还有化肥养分释放不符合作物需肥规律，如养分释放过快使作物来不及吸收而损失等。
There are many factors affecting the fertilizer efficiency, beside the improper application, the different nutrient release from the crop's demand, eg.
竹林凋落叶的养分含量对凋落物养分归还有重要影响，尤其是C/N和P可能作为竹林凋落物分解的指示者。
The nutrient return of the litters was closely related to the nutrient contents of the litters. The litter C/N ratio and P content could be the key indices for the litter decomposition.
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