1.
Study on the Improvement and Popularization of Crop Breeds in Modern Anhui
近代安徽农作物品种改良与推广事业述论
2.
Allopolyploid and Its Utilization in Crop Genetic Improvement
异源多倍体及其在作物品种遗传改良中的应用
3.
Progress of Plant Genetic Engineering Technology in Mulberry Improving
植物基因工程在桑树品种改良中的应用进展
4.
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
5.
Cheap fertiliser and improved crop strains have eased overseas shortage in a number of commodity areas.
廉价的化肥以及经过改良的作物种子缓解了海外许多农产品地区的不足。
6.
"The breeding of animals or growing of plants, especially to produce improved stock."
"对动物的饲养或植物的种植,尤指为了产生改良品种."
7.
The hybridization of various domestic varieties has always been an important technique in plant and animal improvement.
各种不同驯化品种的杂交在动植物改良中经常是一个重要的技术。
8.
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。
9.
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
10.
Improvement Effects of Four Plantations for Sand-fixation on Soil Nutrient Contents and Biological Activities
四种人工固沙植物群落对土壤养分及生物活性的改良作用
11.
Countries like the United States and Switzerland develop many of the genetically changed crops and the products used with them.
美国和瑞士就生产了大量的基因改良农作物及其副产品。
12.
Effect of Soil Ameliorants on Salinized Soil;
土壤改良物质对盐渍化土壤改良的作用
13.
They are improved strains bred by the Agricultural College.
它们是农学院培育出的改良品种。
14.
Studies on Genetic Improvement in Cotton Planted in China Since 1949;
建国以来我国棉花品种遗传改良研究
15.
Studies on the Genetic Improvement of the New Varieties Chuannong16;
小麦新品种川农16的遗传改良研究
16.
A Test of Improving Loofah Variety by Using the Technique of Treatment with Magnet;
运用磁处理技术改良丝瓜品种的试验
17.
Physical Characters of Egg Quality of Native Chicken Breeds in Henan Province
河南省地方良种鸡蛋品质量物理性状
18.
Study on Biological Characteristics of Planting Aconite and Breeding
附子优良品种选育及生物学特性研究