| 1. | Improved varieties of yellow ginger breeding technique
黄姜良种繁育技术 |
| 2. | Selection and breeding of procedure and request of the main broadleaf trees improved variety
主要造林阔叶林树种良种选育程序与要求 |
| 3. | Scientific and technical innovation , cooperation and joint success the successful experiences of guoxin agricultural research association on realization of industrialization of improved variety of seeds
科技创新合作共赢国欣农研会棉花良种产业化的成功实践 |
| 4. | The specific objective of the study is to analyse the adoption of improved varieties and the changes in characteristics of varieties across china
摘要分析了中国25个水稻主产省主要种植的水稻品种，探讨中国水稻品种改良进程和水稻品种性状的变化，并采用水稻成本数据研究品种改良对水稻生产的贡献。 |
| 5. | As we all know , mankind ' s ability to create wealth had been promoted at the speed of geometric progression , due to the invention of steam engine and computer and the utilization of steels and improved varieties
我们知道，曾经因为蒸汽机、计算机等生产工具出现，因为对工业钢材、农业良种等劳动对象的利用，人类社会生产财富的能力得到了几何级数的提高。 |
| 6. | The results obtained from maximum yield research ( myr ) experiments conducted at different state agricultural universities in india show that it is possible to harvest high yields of crops by adoption of improved varieties , high population stands and appropriate fertilizer levels
在印度不同邦立农业大学进行的最高产量研究结果表明，通过使用良种、高密度栽培及掌握合理的施肥水平获得作物高产是可能的。 |
| 7. | Rate of new lines provided to yield trials is 16 . 94 % for anther culture breeding , 1 . 49 times that of the conventional breeding ; and the rate of improved variety obtained from anther culture is 0 . 93 % , 3 . 32 times comparing with that from conventional breeding
经花培入选的产量鉴定新品系的选择效率为16 . 94 % ，是同期常规新品系选择效率11 . 34 %的1 . 49倍；经花培育成的审定品种的选择效率为0 . 93 % ，是同期常规育成审定品种选择效率0 . 28 %的3 . 32倍。 |
| 8. | There are a number of possible explanations for this , but the most likely ones are removal of nutrients , improved varieties , improved farming techniques , including better moisture conservation , weed control , crop rotations and timely planting date ; and improved pest control practices
对此有一些可能的解释，但较好的解释是，因为养分被移走，使用了良种和先进的农作技术，包括更有效的保水、除草、作物轮作和适时播种，此外还有良好的害虫防治技术。 |
| 9. | Extension of improved variety in tianjin has made a great progress since the start - up of the 9th " five seed project , but there are still many problems exist . including : 1 . disconnection among seed cultivation , seed reproduction and seed extension , short of sustainable scientific research of seed cultivation , lack of effective variety protection and competitive varieties
品种质量是种业发展的关键环节，本文针对天津市种业的现状指出当前存在的主要问题在于：一是育、繁、推脱节，科研育种力量后劲不足，品种保护跟不上，没有拳头品种；二是良种推广部门多是贸易公司形不成产业；三是产后加工跟不上，阻碍了良种产业化的形成。 |
