fertility GRE

E. coli only conjugate when one of the cells possesses fertility genes.

只有当其细胞之一有基因时，大肠杆菌才会结合。

A green manure is a crop grown mainly to improve soil fertility.

种植绿肥作物主要是为使土壤加肥沃。

The villagers took fertility symbols into the fields to ensure a good harvest.

农民们把丰产象征物拿到田里以确保好收成。

Not only major gene’s effect on fertility but also minor gene’s effect should be considered when utilize WCG to overcome semisterile between subspecies.

在利用广亲和基因克服亚种间的半不育性时不仅要考虑主基因对育性的作用，也不能忽视多基因对育性的影响。

The paddy soil probably had a long history of tillage, and furthermore it had formed gley horizon and illuvium, but its fertility was not high either.

水稻土有较长耕作，已形成了潜育层和潴育层，但土壤肥不高。

In the populations, the fertility, colour, number and size of male cone are controlled by multigene,and the variation of these characters appear continuous.

雄球花出现百分率、新梢下部聚生的雄球花数、雄球花的大小和色彩等性状，均受多基因控制，呈现连续性变异；