施肥后不同覆土方式对烤烟生长发育的影响
摘 要：该试验分析了施肥后机械化覆土和人工覆土对烤烟生长的影响及常规施肥与适量增施氮肥后采用机械覆土对烤烟生长的影响，结果表明：常规施肥后采用机械覆土烤烟生长发育及产质量表现较为正常，烤后烟叶内在化学成分较为协调，体现减工降本增效的要求，而采用机械覆土并增施氮肥反倒不利于烟叶产质量的表现。
关键词：烤烟；机械覆土；人工覆土；生长发育
中图分类号 S572 文献标识码 A 文章编号 1007-7731（2017）21-0046-04
Influence of Different Covering Soil Ways after Fertilization on the Growth of Tobacco
Zhang Shanshan et al.
（Sanming Branch of Fujian Tobacco Research Institute，Sanming 365001，China）
Abstract：This experiment has analyzed the influence on the growth of tobacco by mechanized covering soil and artificial covering soil after fertilization，and also compared the influences on growth by mechanized covering soil after conventional fertilization and applying nitrogenous fertilizer. The results showed that：the growth of the mechanized covering soil group that after conventional fertilization has a rather normal performance，the toasted tobacco also has more coordinated chemical component，more importantly it lowered the cost and increased the efficiency. However，the group that applied nitrogenous fertilizer and adopted mechanized covering soil didn’t show a better quality of tobacco.
Key words：Tobacco；Mechanized covering soil；Artificial covering soil；Growth
土壤是烟株赖以生长发育的基本条件，优质烟生长需要一个疏松、深厚的土壤环境。适宜的烟畦垄体能够增强烟株根系对雨涝和干旱的抵抗能力，促进烟株根系的生长发育[1-5]。福建三明是国内特色优质烟叶产区之一，土壤质地以轻壤土和中壤土为主[6]。当前烤烟生产普遍推广机械化起垄，为进一步体现减工降本增效的要求，近年来又开始推广机械化覆土，即条沟肥施入后采用起垄机进行覆土，传统的人工锄头覆土转向机械化作业，提高烟农整畦效率，降低用工成本[7]。而采用机械化...
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