查询词典 leaf tobacco

Fire-cured tobacco is one of the important cash crops in tobacco-growing areas of China. Continuous cropping of tobacco brought about many serious problems such as yield decline, quality deterioration and safety reduction.

烤烟是我国烟区重要的经济作物，连作障碍是烟草栽培中的普遍现象，可导致烟草产量下降、品质恶化、吸食安全性降低等问题。

Therefore, several experiments were carried out to study their effect on the growth of tobacco seedlings and the activities of enzymes in soils. The main objects were to realize the mechanisms and reasons of continues cropping obstacles, to provide scientific information for solving the problems produced by continuous cropping, and to improved the yields and qualities of fire-cured tobacco in tobacco-growing areas of Southwest China.

本项研究以烤烟根系分泌物和根残体为材料，探索它们对幼苗生长和土壤酶活性的影响，旨在研究烤烟连作障碍发生的机理和可能的原因，为进一步解决我国西南主要烟区的连作障碍问题，提高烟叶的质量和产量提供科学依据。

Basic conditions for tobacco-growing areas, main climatic factors and quality of tobacco leaves were analyzed in Liangshan of Sichuan Province. The results indicated that Liangshan tobacco-growing areas had a long frost-free period, high accumulated temperature of ≥10℃, a long period of time with daily average temperature of ≥20℃ and low content of Cl-1 in the 0-60cm soil layer.

本文分析了四川省凉山烟区适宜种植烤烟的基本条件、主要气候因素及所产烟叶的质量特点，结果表明：(1)该烟区具有无霜期长、≥10℃积温高，日均温≥20℃持续天数多，0-60cm土壤含氯量较低等特点，具备了生产优质烟叶的基本条件。

The concentration difference of chemical components in tobacco samples between grown years was significant, but that between tobacco-growing counties and between tobacco-growing town was not statistical significant.

主要化学成分年度间差异显著，县际间和乡镇间差异不显著。

The results showed that partial root-zone drying and alternate partial root-zone irrigation treatments reduced tobacco water consumption and tobacco yield, but tobacco water use efficiency increased with 7.5% and 11.2%, N and K contents of middle leaves treated with N 0.20 g/kg soil enhanced 23.1% and 25.2%, 33.6% and 59.8%, respectively when compared to the conventional irrigation treatment.

结果表明，在不同施N水平下，与常规灌溉相比，部分根干燥灌溉和分根区交替灌溉的烤烟耗水量下降，产量有所减少，而水分利用效率提高7.5%和11.2%；施用N 0.20 g/kg土时，PRD和APRI中部叶N含量分别提高23.1%和25.2%，K含量分别提高33.6%和59.8%。

During the whole growing period of tobacco plant, the change of evapotranspiration showed a single–peak curve. The evapotranspiration and soil evaporation increased. as soil water content increased.Tobacco water consumption of tobacco was related to yield through a binomial function.

随土壤含水量增加，烤烟各生育时期的耗水量和棵间蒸发量增大，全生育期内烤烟的耗水量呈单峰曲线，耗水量与烟叶产量呈二次曲线关系。

The present invention relates to modifying activator used in flue-curing tobacco and spraying method for said activator. The activator consists of solid matter and water, and the solid matter includes potassium salt, cane sugar an boric acid. The activator is sprayed with a sprayer onto tobacco to be initially flue-cured, and the initial flue-curing stage is one at the dry bulb temperature of 50-56 deg.c, wet bulb temperature of 38-41 deg.c and time of over 24 hr to increase the content of fragrant matter in tobacco.

本发明涉及了一种烘烤烤烟烟叶中使用的调质活化剂和该活化剂的喷洒方法，该活化剂由固体物质和水组成，所述的固体物质含有钾盐、蔗糖和硼酸，用喷雾器将上述活化剂以雾化的方式均匀地喷洒至即将进入初烤阶段的烟叶上，烟叶是已编上竿、准备进入烤房的烟叶，初烤阶段的干球温度在50-56℃，湿球温度为38-41℃，烘烤的时间延长至24小时以上，以增加烟叶的香气物质的含量。

The situation and pressure that tobacco industry is facing at present are that the market of "cigarette and tobacco" has been in full, entering WTO increases international competition and social circumstances press Chinese tobacco industry.

随着国内外经济环境的不断变化，尤其我国加入世贸组织后，政企合一、垄断性的经营管理体制已经引发出了阻碍烟草行业向前发展的诸多问题：产业、产品结构不合理，产品竞争力差，经济效益低，&散、乱&问题十分突出等。

Relevant provisions of the Law of People's Republic of China on Tobacco Monopoly and the Detailed Rules for the Implementation of the Law of People's Republic of China on Tobacco Monopoly in the case of import of tobacco processing machinery

进口烟草加工机械应符合《中华人民共和国烟草专卖法》及《中华人民共和国烟草专卖法实施细则》的有关规定

All these results suggest that the significant control efficacy of the COS against the tobacco brown spot be mainly due to induction and improvement of the activities of defensive enzymes in the tobacco plants, which enhance resistance of the tobacco plants against the brown spot.

以上结果说明，几丁寡糖对烟草赤星病有显著的控制效应，主要是通过诱导、提高烟草植株有关防御酶的活性从而增强烟草植株对赤星病的抗病性。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。