1.
Seed Extension and Germplasm Improvement on Maize in Mountainous Area;
山区玉米种质改良与杂交种推广探讨
2.
Studies on Light Adaptation and Genesis Improvement of Pharmaceutical Dendrobium;
药用石斛对光强适应性及其种质改良的研究
3.
Improvement of Popcorn Germplasm Using Normal Corn Inbreds and Different Selection Methods;
普通玉米种质及选系方法对爆裂玉米种质改良的研究
4.
Analysis of Genetic Potentiality of Maize Inbred Lines in Heilongjiang Province and Improved Effect of Introduce Exotic Germplasm;
黑龙江省玉米自交系遗传潜势及引入外源种质改良效应的分析
5.
Study on Physiological Basis of the Heat Tolerance of Various Genotypic and Germplasm Improvement Technology in Tomato;
番茄不同基因型耐热性生理研究及种质改良相关技术的研究
6.
To improve the quality of(livestock) by crossbreeding with purebred stock.
改良品种与纯种家畜杂交来改良（家畜）品质
7.
A comparative and improved study on plasmid DNA extraction
几种miniprep提取质粒DNA方法的比较与改良
8.
A STUDY ON EFFECT OF MODIFIED EAR-TO-ROW SELECTION ON IMPROVING SICHUAN LOCAL CORN GERMPLASM POPULATIONS
改良穗行选择对四川玉米地方种质群体改良效果的研究
9.
Study on Improvement Effect of CIMMYT Germaplasm to the Inbreds of a Corn Hybrid Dongnong250
CIMMYT种质对东农250亲本自交系的改良效果研究
10.
The Study of Genetic Relationship between Lines from Golden Queen, Modified Lines and the Lines Representing Chinese Main Germplasm in Corn;
金皇后种质玉米自交系改良系与国内主要种质遗传关系的研究
11.
Isolation of Genes Involved in Quality and Genetic Improvement of Starch Quality of Seeds in Wheat
小麦品质性状相关基因的分离及种子淀粉品质的遗传改良
12.
Study on Wheat Quality Analysis of Henan Main Varieties and the Quality Improvement of Traditional Flour Products Raw Materials;
河南主要小麦品种品质分析及传统面制品原料面粉品质改良研究
13.
Effects of Application of Three Soil Conditioners on Yield and Quality of Farmland- Cultured ginseng
三种土壤改良基质对农田栽培人参产量及质量的影响
14.
The main function of a seed orchard is to produce seed of improved genetic quality on a regular and sustained basis.
种子园的主要作用就是经常和持续地生产改良了遗传品质的种子。
15.
Studies on Heterotic Performances and Genetic Relationship of Genetic Improved-line Maize Containing Exotic Germplasms;
玉米外来种质遗传改良材料的杂种优势表现及亲缘关系的研究
16.
Influences of Different Treatments on Soil Conditions and Plant Physical and Physiological Characters;
几种介质对土壤的改良作用及彩叶树种的生长生理响应
17.
Strain Improvement of Fungus Fusarium Mairei and Precursors Effector on Taxol Production;
产紫杉醇菌种的改良及若干种前体物质作用的研究
18.
To improve the quality of(livestock)by selective breeding for desired characteristics.
改善品质，改良品种通过为得到所希望的特征而进行的有选择的交配而改善（牲畜）的品质