As a crop which should be paid equal attention to yield and quality, the quality of tobacco greatly varies with the conditions of soil, breed, planting technique, climate and cooling technology.
烟叶作为产量、质量并重的嗜好类作物，其质量受土壤、品种、栽培技术、气候和烘烤技术等诸多因素的影响。
The content of soil available boron was investigated by sampling in tobacco planting regions of Chongqing city.
通过田间采样和田间试验对重庆市植烟区土壤有效硼含量以及施硼效应进行了研究。
The main type of soil planting tobacco was yellow-brown soil, and the percentages were 83% of total soil area planting tobacco.
黄棕壤是主要的植烟土壤类型，约占本区域植烟土壤面积的83％。
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