针对漂浮育苗池建造成本高、复垦难度大等问题,研制出一种经济实用、绿色环保的新型烤烟漂浮育苗池.结果表明:育苗池建造成本大幅降低,由传统育苗池408元/hm2降低到237.8元/hm2,降幅达到41.2%;育苗池建造效率由8.864工/池降低到0.848工/池,提升945%;育苗池土地利用率由77.8%提高到97.9%,提升20.1%.2015年和2016年五莲烟区通过推广使用新型烤烟漂浮育苗池618hm2,实现经济效益10.36万元.

The application effects of aluminum foil in bulk curing barn of tobacco were studied in this paper.The results showed that curing tobacco in the barns lined with aluminum foil could shorten the baking time by 12 hours per furnace,save 0.25 kg coals and 0.08 degrees of electricity per kilogram cigarettes;the ratio of high-quality tobacco increased by 1.5 percentage points;the average price increased by 0.2 yuan per kilogram;the farmers' benefit increased 1 447.75 yuan per hectare;the reducing sugar content of flue-cured tobacco increased,the temperament and fragrant aroma improved,and the irritation reduced.

To explore the optimal allocation of climate resources for tobacco growth in Rizhao,the influence of different transplanting ages to the tobacco growth,yield and quality of tobacco were studied through the random blocks design of Zhongyan 100.The results showed that different transplanting time had obvious effects on tobacco growth and leaf quality.The tobacco transplanted on April 30th performed better than the others,while the tobacco transplanted on May 20th was the worst.

The author explore the effects of different organic fertilizers on tobacco quality,basing tobacco plant,in order to improve soil character and the inner quality of tobacco,in the condition of same supply of N,P,K.In the project organic fertilizer contains organic fertilizerⅠ,organic fertilizerⅡ,organic fertilizerⅢ,organic fertilizerⅣ,organic and Inorganic fertilizerⅤand cake.Analyzing the result of the project,the author found that organic fertilizerⅠand organic fertilizerⅣworked well,the performance of agronomy traits was prominent;the appearance of raw tobacco was good.The performance of inorganic and organic fertilizerⅤwas equal to control group.FertilityⅤwas a little inadequate in the later;organic fertilizerⅡand organic fertilizer Ⅲ were in general.The comprehensive performance of scheme of cake was fine,but the price of cake was higher than others.

To improve the capacity of bulk curing barn and baking quality, we turned three-floor into four-floor bulk curing barns, which could cut down the cost and energy consumption. The results showed that, the capacity was 23.5% higher than before, the weight of flue-cured tobacco of one barn was 30% heavier than before. In terms of energy consumption, the cost of dry tobacco fell from 1.94 yuan/kg to 1.76 yuan/kg. Baking time extended,which promoted tobacco after-ripening, and improved the quality of tobacco. Though the output was less than before, the proportion of upper class and the mid-upper class, tobacco increased, Interest increased by 3.8%.

Current situations of organic tobacco development at both home and abroad,indicating that organic tobacco is one of the innovation directions for sustainable,healthy,environmental protection and low carbon development of modern tobacco industry.On the basis of foreign cultivation technical system for organic agriculture,the cultivation technical system for organic tobacco is summed up as follows:first,keep the diversity and continuity of space and time;second,ensure closeness of nutrient cycle;third,improve self-regulatory system and protection ability of crops.Then,the development trend of organic tobacco is analyzed and corresponding measures are put forward:establish production base and assessment system for organic tobacco;establish technical system for production of organic tobacco;establish and perfect evaluation system for management,production and supervision of organic tobacco;strengthen popularization of production and concept of organic tobacco;improve management of organic tobacco purchase,industry commerce handover,and redrying.

To reduce the amount of conventional fertilizer in the process of tobacco cultivation and improve the tobacco leaf internal quality,based on the situation of the current tobacco production of Juxian County,by field experiments,research about bio-organic fertilizer on the impact of tobacco quality was carried out.The results showed that:under the same circumstances,the Jinbanghe bio-organic fertilizer could increase the potassium content in leaves,improve leaf quality,lower input costs,and gain a better integrated effect.

采用定点调查方法研究了五莲植烟土壤、烟叶中重金属、农药残留状况。土壤中的铅、镉、汞、六六六的含量指标低于土壤自然背景值,大部分土壤中的滴滴涕含量也低于土壤自然背景值。烟叶中铅、镉、汞含量处于较低水平,有机氯、有机磷、拟除虫菊酯等杀虫剂、杀菌剂烟叶中残留普遍较低,部分有机磷杀虫剂残留相对较高。五莲烟区具有发展低残留优质烟叶的优越自然条件,但需进一步规范农药的使用。

试验结果表明,在烤烟移栽期低温、生育前期干旱的生态区,浅"V"型垄地膜覆盖模式对提高地温和土壤的含水量作用显著,能增加培土高度,对烟苗早发快长,促进根系的发育创造了良好的条件.为提高烟株的吸收功能,促进烟株正常生长,增强抗性,提高烟叶的产量、质量、效益都具有积极的作用.