rice seedling on watered bed是什么意思

用法例句

Seedling nursing in shallow water was developed on the basis of floating seedling nursing system and seedling nursing on trays.

浅水育苗是在漂浮育苗和托盘育苗的基础上改进而来的一种育苗方式。

The paper reported the technological process and management countermeasures to keep water clean for seed-rearing of Penaeus orientalis.

报道了中国对虾保水育苗的工艺流程及管理措施：海水沉淀24h后，用1000目网过滤；放养无节幼体密度为10万尾／m3；水温控制：无节幼体20～22℃，蚤状幼体22～23℃，糠虾期23～24℃，仔虾期25～25。

But its yield was only slightly higher over paddy seeded rice.

研究了早杂旱育秧吸氮特性、群体建成和对产量的影响 ,结果表明 :旱育秧全生育期单株吸氮量均高于水育秧 ,在分蘖期叶片含氮率占全株的 71 9% ;分蘖发生多 ,群体发展迅速 ,在常规栽培条件下 ,其最大叶面积指数接近 7 0 ;旱育秧的实际产量略高于水育秧。