改良种子的英文

• improved seeds

• 改良:    improve; ameliorate
• 种子:    seed; semen; germ; grain; st ...
• 遗传改良种子:    genetically improved seed
• 改良种:    improved breed
• 改良种动物:    grade animal

例句与用法

1. The combination of improved seeds, more fertilizer, and improved irrigation doubled yields on irrigated land in developing countries .
   由于改良种子，增加化肥和改进灌溉系统的共同作用，发展中国家得到灌溉的农田产量增加了一倍。
2. Early genetic analysis of some clones in the improved slash pine seed orchard
   湿地松改良种子园部分无性系的早期遗传评价
3. Chemicals are costly . the savings help pay for the higher cost of the biotech seeds
   化学药品很贵，节省下来的钱帮助支付改良种子的费用。
4. Chemicals are costly . the savings help pay for the higher cost of the biotech seeds
   由于杀虫剂成本昂贵，因此这样节省下来的钱可以用来支付改良种子的高额费用。 ”
5. The experimental results show that the characters of tree height , dbh , and volume , etc . of every family progenies of pinus massoniana seed orchard are all evidently higher than those of control ( ck ) , 7 fine family materials whose volume growth exceeds the control ' s by 50 % are totally selected as the materials for building p . massoniana improved seed orchard and industrial raw material forest
   摘要对漳平五一国有林场马尾松种子园18个初选家系进行子代测定，采用随机区组设计、 8次重复，对6年生的树高、胸径、材积等性状进行测定，试验结果表明：马尾松种子园各家系子代均明显高于对照( ck ) ，共选出7个优良家系材积生长超过对照50 %以上材料，作为营建马尾松改良种子园和工业原料林的材料。