Leaf weight and quality weight increased with the increase of phosphorus consumption too, of the same treatment the medium phosphorus soil leaf quality was higher than the other soil.

单叶重和叶质重也随磷用量的增加而增加，相同磷用量处理中磷土壤叶质重高于低磷土壤。

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While adequate weight gain during pregnancy is important for proper development of your baby, we now know that gaining too much weight is not good, as it can cause problems such as gestational diabetes, preeclampsia, increased risk of Caesarean section and infection, and more difficulty during labor.

CNN: How can I safely control my pregnancy weight gain?