seedling selection的例句大全

A preliminary study on anti decease seedling selection of tomato

番茄抗青枯病种苗选育初步研究

by means of seedling selection, the author bred and selected 14 ground-cover chrysanthemum new cvs with different blooming times.

通过实生苗选种，对地被菊新品种进行选育研究，选育出不同花期具有较高观赏价值的新品种14个。

Adaptive selection and breeding of olives, a research on seedling selection with special reference to early determination as regards its economic characteristics

油橄榄的适应性育种&实生选育和经济性状早期鉴定的研究

This paper briefly introduces the experience of Scotch pine container cultivation from aspects of site preparation method of seedbed, seedling transportation and selection and farm management.

本文从苗床的整地方法、装袋土的配比、苗木运输及选择、田间管理等几方面，简要介绍了樟子松容器育苗的经验。

Superior clones with 3.5% of genetic gain for seedling height and 9.8% of genetic gain for collar diameter were screened out based on the synthetic selection in seedling stage.

苗期综合选择得到5个优良无性系，苗高遗传增益为3.5%，地径遗传增益为9.8%。

a summary of experiment on selection of weedicide for non-tilling rice seedling

水稻免耕抛秧除草剂筛选试验总结

Effect of Hibernation Term of Seedling and Planting Time Selection on Afforestation Survival Rate

苗木冬眠期限与造林时间选择对造林成活率的影响

Analysis of Seedling Growth Variation and Selection among Families of Pinus ussuriensis Cheng et Y . W.

与凯湖松家系间苗木生长变异规律分析及选择>>相似的文献.

The Studies on Selection of Hevea Rubber Seedling of Different Sensitivity to Ethrel Injury

对乙烯利伤害不同敏感性的橡胶籽苗选择研究

The effection agricultural prevention and cure way to this disease is watercress seedling treatment, rational close planting, strengthening field managment and paying attention to seed selection and reservation.

采取种苗处理、合理密植、加强田管、注意选留种株是防治本病的有效农业防治措施；