CAJ | 학술논문

本试验选取陕西2个典型生态烟区，通过田间小区试验，研究了4种类型钾肥对烤烟农艺性状、化学成分及经济性状的影响。结果表明，施钾对烤烟叶面积产生显著影响，陇县施硝酸钾效果最好，腐殖酸钾次之；洛南施腐殖酸钾效果最好，混合钾肥次之。施钾能提高烟叶总糖、还原糖、烟碱、氮和钾含量，增加钾氯比，降低氯含量，且效果因地区而异。施用腐殖酸钾或混合钾肥处理的烟叶化学成分较为协调。施钾可显著提高烤烟主要经济性状，陇县的混合钾肥表现较好；洛南的腐植酸钾、混合钾肥表现较好。综合分析，陇县适合的钾肥为混合钾肥，洛南为腐殖酸钾肥或混合钾肥。因此，施钾肥可促进烤烟生长发育，协调化学物质，改善烟叶质量，提高烤烟产量，且钾肥选择因地区而异。
본시험선취협서2개전형생태연구，통과전간소구시험，연구료4충류형갑비대고연농예성상、화학성분급경제성상적영향。결과표명，시갑대고연협면적산생현저영향，롱현시초산갑효과최호，부식산갑차지；락남시부식산갑효과최호，혼합갑비차지。시갑능제고연협총당、환원당、연감、담화갑함량，증가갑록비，강저록함량，차효과인지구이이。시용부식산갑혹혼합갑비처리적연협화학성분교위협조。시갑가현저제고고연주요경제성상，롱현적혼합갑비표현교호；락남적부식산갑、혼합갑비표현교호。종합분석，롱현괄합적갑비위혼합갑비，락남위부식산갑비혹혼합갑비。인차，시갑비가촉진고연생장발육，협조화학물질，개선연협질량，제고고연산량，차갑비선택인지구이이。
A field experiment was conducted to study the effect of different kinds of potassium (K) fertilizers on agronomic attributes, chemical components and economic values of flue-cured tobacco in two typical ecological zones in Shaanxi province. The results showed that K fertilizer had significant effect on leaf area. The effect of potassium nitrate was better than that of potassium humate in Longxian;the effect of potassium humate was the best, followed by mixed k fertilizer. K application increased contents of total sugar, reducing sugar, nitrogen, nicotine and potassium, and decreased the content of chlorine, and these effects varied with ecological zones. Leaf chemical composition was more harmonious with potassium humate or mixed K fertilizer treatment. In addition, main economic values increased significantly with K fertilizer treatment, and better effect was observed with treatment of mixed K fertilizer in Longxian, but potassium humate and mixed K fertilizer in Luonan. Overall, mixed K fertilizer was preferred in Longxian, and potassium humate or mixed K fertilizer in Luonan. K application was useful to optimize leaf chemical components, improved leaf quality and increase yield, but these effects varied with ecological zones.