1.
Effect of the Management of Organic Matter on Soils Protection in Xingshan Tobacco-growing Areas in Hubei Province
兴山烟区土壤有机质管理对土壤的保护作用
2.
The Evaluation of Soil Fertility and the Relationship between Soil Nutrients Contents and Chemical Components in Flue-Cured Tobacco Leaves in Hunan Tobacco-Growing Areas;
湖南烟区土壤肥力状况评价和土壤养分与烤烟化学成分的关系
3.
Comprehensive Evaluation of Soil Fertility in Sanmenxia Tobacco-Growing Areas
三门峡烟区土壤养分状况的综合评价
4.
Research on the Characteristics of the Content of Boron in the Soil Planted with Tobacco in Chongqing
重庆市植烟区土壤硼素含量特征研究
5.
Analysis and Actuality of the Content of Ca~(2+) and Mg~(2+) in the Soil Planted with Tobacco in Qujing City
曲靖市烟区土壤Ca~(2+)、Mg~(2+)现状分析
6.
Status of Soil Fertility and Fertilization Technique of Flue-cured Tobacco in Henan Tobacco-growing Areas;
河南烟区土壤状况与烤烟施肥技术研究
7.
Radionuclides in Soils，Fertilizers and Tobacco in Tobacco Planting Areas in Yunnan Province;
云南烟区土壤、肥料和烟叶中的放射性核素
8.
Study on Relation between Soil Ecosystem and Tobacco Leaves Quality in Nanyang Tobacco Production Area;
南阳烟区土壤生态与烟叶质量关系的研究
9.
Nitrogen content in soil and total nitrogen content of flue-cured tobacco and their relationships in Enshi tobacco-growing areas
恩施烟区土壤和烤烟总氮含量及其关系研究
10.
Relationship between the available zinc content in soil and the zinc content of flue-cured tobacco in Enshi tobacco-growing areas
恩施烟区土壤有效锌与烤烟锌含量的关系
11.
Analysis of Soil Nutrients and Its Relationship with the Tobacco Leaf Quality in Guangdong Tobacco-growing Areas
广东烟区土壤养分状况与烟叶品质的关系研究
12.
Tobacco-planted Soil Magnesium Nutrient and Effect of Magnesium Fertilization in Chongqing;
重庆市植烟区土壤镁素营养及施镁效应研究
13.
The Assessment of Soil Fertility and Study on Fertilization Technology in Tobacco Area of Enshi;
恩施市烟区土壤养分现状评价及施肥技术研究
14.
Tobacco-planted Soil Boron Nutrient and Effect of Boron Fertilization in Chongqing;
重庆市植烟区土壤硼素营养及施硼效应研究
15.
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
16.
Status of Soil Nutrients at Different Altitudes and Distribution of Selenium Contents in Soil and Tobacco Leaves in Southwest Hubei Tobacco-Growing Areas;
鄂西南烟区不同海拔土壤养分状况和土壤—烤烟硒含量的分布特点
17.
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
18.
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