semidwarf 中文意思是什麼
semidwarf
解釋
半矮生-
This is mainly due to the improvement of rice varieties, including ( 1 ) the development of semidwarf rice varieties suitable for mechanical harvesting, ( 2 ) the development of varieties resistant to lodging resulting from heavy fertilizer applications, ( 3 ) the development of varieties resistant to diseases and insects, ( 4 ) the establishment of a good seed propagation system, and ( 5 ) the rapid renewal of rice varieties through the services of the rice nursery centres
主要是改善了水稻品種，這包括： 1 ）選育半矮化品種，有利於機械收割； 2 ）選育抗倒伏品種以適應高施肥量； 3 ）選育抗病蟲害的品種； 4 ）建立良種繁殖基地； 5 ）通過水稻育苗服務中心，及時更新品種。
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