求翻译：团棵后茎节开始伸长，叶片迅速扩大，进入旺长期，吸水量及氮素的吸收量急剧上升，至现蕾达到高峰，这个时期必须有足够的水分和养分供应，烟株才能很快开片，达到优质丰产的要求。优质烟生产要求打顶后，氮素吸收很快下降。是什么意思？

Rosette after internode elongation, rapidly expanding leaves, into the sharp increase in vigorous, water absorption capacity and nitrogen uptake to squaring reached its peak, this period must have sufficient water and nutrient supply of tobacco plants can be quickly The opening film, meet the requir

In the private sector stems elongate, the leaves started section expanded rapidly in Mong Kok, long-term, the amount of water and nitrogen absorption increased dramatically, reaching a peak to the ballet, the period must have plenty of water and nutrient supply, and smoke trees is to be able to quic

After a group column starts to elongate, the leaf blade rapid expansion, enters prosperously long-term, the soakage and the nitrogen absorbing capacity rises suddenly, achieves the peak to the present flower bud, this time must have the enough moisture content and the nutrient supply, smoke can open

Stem section after elongation, blade quickly expanded into Mong Kok long, absorbing water and nitrogen uptake has risen sharply to bud reached a peak during this period must be an adequate supply of water and nutrients, tobacco to open soon, meet the requirements of high yield and quality. After top

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