Assessment of heavy metals in tobacco planting soils in areas surrounding Shennongjia and their accumulation characteristics
环神农架地区植烟土壤重金属评价及其富集特征
Spatial variability of chlorine in tobacco planting soils was invesitigated to provide theoretical basis for precision management of soil nutrients in hilly areas in Huili, Sichuan Province using geostatistical methods and GIS technique with two sampling scales.
研究植烟土壤氯素的空间变异特征,可以为山区烟田土壤养分的精确管理提供理论依据。
Through the methods of field sampling and laboratory analysis,the objectives of this study were to investigate the content characteristics of eight heavy metals in tobacco planting soil of Chongqing,at the same time evaluate the pollution degree of these heavy metals based on the evaluation factors of standard comparison and Geoaccumulation index(Igeo).
对重庆市植烟土壤中8种重金属元素的含量特征进行了调查研究,并采用标准对比法和地质累积指数法对其污染状况进行了评价。
In order to realize the regularity of main chemical compositions changing in curing process and establish the appropriate curing hour for sun-cured tobacco,different time of stacking was set and certain leaves were sampled in kill-enzyme torrefaction at intervals of 12 hours until the end of stacking.
为了解红土晒烟调制期间主要化学成分的变化规律,确定适宜的堆捂时间,通过设置不同的堆捂时间并每隔12 h取烟叶样杀青烘干,直至堆捂结束,测定杀青样化学成分,对红土晒烟调制期间主要化学成分的动态变化进行研究,结果表明:烟叶内含淀粉绝大部分是在堆捂期间降解的。
The Tobacco-growing Soil Fertilizer and Its Relationship with the Quality of Tobacco Leaves in Hengnan;
衡南植烟土壤肥力及其与烟叶质量的关系
Available Fe and Mn contents were very rich in the tobacco-growing soils of Zunyi with the mean of 32.
为科学补充烟田微量元素,平衡烟株营养,进一步改善烟叶质量,对遵义10个产烟县(市)356个植烟土壤样本中有效态微量元素进行了测定。
Spatial analysis of tobacco soil nutrients based on GIS and geostatistics
基于GIS和地统计学的植烟土壤养分空间分析
The chemical properties of magnesium extracted several times from tobacco soil are analyzed.
植烟土壤对镁的最大吸附量为1。
Simulation experiment with repacked soil columns, indoor soil-culture and pot experiment were conducted to study the rule of the leaching lose and the transference of P fertilizer in different soils, the phosphorus affection to flue-cured tobacco on different available phosphorus levels of tobacco soil.
因此,本研究采用土柱淋溶模拟试验、室内培育试验、盆栽试验相结合的方法,探讨了磷肥淋洗规律、土壤对磷肥的吸附固定特点、不同速效磷水平植烟土壤施用磷肥对烤烟生长效应的影响,为科学合理施用磷肥,提高烟叶产量和品质提供参考。
Lime and dolomite powder were applied to tobacco-planting soils to study their effects on soil pH, flue-cured tobacco growth, yield and quality.
研究了石灰、白云石粉作为酸性植烟土壤改良剂对烟区土壤的改良效果及其对烤烟生长、产量和品质的影响。
In material base of Hongyun Tobacco Group,the pH of the tobacco-planting soil which accounted for 41.
对红云集团3省23基地县(区)植烟土壤的质地和pH状况进行了分析。
Comprehensive evaluation of the status of soil fertility in tobacco-growing areas of Henan Province
河南烟区植烟土壤养分状况综合评价
Effect of Green Manure Application on the Improvement of Tobacco-growing Soil Fertility and Yield & Quality of Tobacco;
绿肥对植烟土壤培肥效应及烤烟产质量的影响
The Tobacco-growing Soil Fertilizer and Its Relationship with the Quality of Tobacco Leaves in Hengnan;
衡南植烟土壤肥力及其与烟叶质量的关系
Evaluation of the Planting Tobacco Soil Fertility and Study on the Tobacco Fertilizing Technologies in Xuan-en;
宣恩植烟土壤肥力评价及烤烟施肥技术研究
The oxidation-reduction status in tobacco-grown soils in Yunnan Province and tobacco nutrition;
云南植烟土壤氧化还原状况和烤烟营养的研究
The Effects of Fly Maggot Organic Fertilizer on Soil Biochemistry Properties and Flue-cured Tobacco Qualities;
蝇蛆代谢有机肥对植烟土壤及烤烟品质的影响
Studies on the Effects of Previous Crops on Yield and Qulity of Tobacco
不同前作对植烟土壤及烟叶产质量的影响
Residue analysis methods of Phoxim in tobacco-planted soils and tobacco leaves
植烟土壤及烟叶中辛硫磷残留量分析方法
Comparison of the Fertility Status of Diferent Soil Types in Qidong Tobacco-growing Areas of Hunan Province
湖南祁东烟区不同植烟土壤类型肥力状况比较
Evaluation of the Soil Fertility in Tobacco-growing Areas in Henan Province
河南省主要烟区植烟土壤肥力状况评价
Effect of Humic Acid Fertilizer on Soil Properties and Leaf Qualities of Tobacco
腐殖酸对烤烟土壤性状及烟叶品质的影响
Comprehensive evaluation of states of tobacco soil nutrient in Shidian areas of Yunnan province
云南施甸烟区植烟土壤养分状况综合评价
Influence of Continuous Cropping on Microelements in Tobacco-planting Soil and Tobacco Plant
连作对植烟土壤及烟株中微量元素含量的影响
A Turkish tobacco pipe with a long stem and a red clay bowl.
土耳其长烟管一种有长杆和红色的黏土做的烟斗的土耳其的烟管
Correlation Analysis between Nicotine Content of Flue-cured Tobacco Leaves and Soil Nutrients
烤烟烟碱含量与土壤养分的关联分析
A volcano belches smoke and ashes.
火山喷出黑烟和灰土。
a short-stemmed clay pipe.
一种短柄的陶土烟斗。
An obscuring haze, as of atmospheric dust or smoke.
烟雾，尘雾如空气中的尘土或烟雾等模糊的雾气