禾草學 的英文怎麼說
中文拼音 [hécǎoxué]
禾草學
英文
agrostology-
This paper reportsthe biological habits , damage and occurrence regularity of common cutgrass. foreffectively controlling weed infestation in fields , it is necessary to establish somerational farming and rotation systems and ameliorate chemical weed control system day byday
通過對李氏禾的生物學特性、發生規律及危害的闡述,提出只有通過建立科學合理的耕作和輪作制度及日趨完善的化學除草體系,才能有效地控制李氏禾的危害。In the paper, the ecophysiological characteristics of achnatherum splendens, the effects of water and fertilizer on it and a comparative research to other grass were studied, which provided scientific basis on utilization and exploitation of achna therum splendens
本文研究了在黃土高原大面積生長的優良禾本科牧草?芨芨草的生理生態特性、水肥因子對它的影響以及同其它兩種牧草(本氏針茅和厚穗冰草)間的比較,為芨芨草的開發利用提供科學依據。Paleontologists had thought that grass evolved well after dinosaurs died out 65 million years ago
古生物學家一直以為,禾草是在6500萬年前恐龍已完全消失后演化出來的。
分享友人