Advances in the ratoon stunting disease of sugarcane .

甘蔗宿根矮化病研究进展。

To produce or grow as a ratoon .

产生根蘖，长出根蘖。

The two factor random experiments were conducted to study the effects of nitrogen applied and planting density on ratoon rice yield of ii youhang1 on culture of early rice .

采用两因素随机区组田间试验方法,研究氮肥施用量与栽培密度对Ⅱ优航1号作早稻再生稻栽培产量的影响。

Nitrogen accumulation and remobilization of ratoon sorghum .

宿根高粱氮素累积与再转运。

Study on cold resistance of introduced ratoon flowers in tangshan area .

唐山地区引种宿根花卉的抗寒性研究。