玉米茬烤烟增施钾肥，显著提高烟草中上等烟比例和产值，但对产量作用不明显。
More potassium fertilizer application in a previous corn soil can notably improve tobacco quality, in-crease out put value and yield.
注：本表2007年农林牧渔业总产值内部比例为与第二次农业普查衔接数计算所得。
Note:The structure of agricutural gross output Value of 2007 in this table are adjusted according to Secondary Agricultural Census Data.
提高钙镁磷肥的施用比例，烤烟的产量、产值、均价、上等烟率等也相应提高。
The tobacco yield, value of output, average price and rate of first-class tobacco leaves could be also increased by increasing the application ratio of serpentine-fused phosphate.
集中度，集中率一个国家里，最大的一些厂商在总销售额或总产值中所占有的比例。
Concentration ratio Percentage of total sales or output accounted for by largest firms in a country.
但秸秆还田处理能提高烤烟品质，在一定程度上提高中上等烟的比例，其产值较高。
The farming measures of straw mulching increased the proportion of middle and superior tobacco leaves and output value was the highest.
但秸秆还田处理能提高烤烟品质，在一定程度上提高中上等烟的比例，其产值较高。
The farming measures of straw mulching increased the proportion of middle and superior tobacco leaves and output value was the highest.
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