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- diversity of weed community 杂草群落多样性
- A study on the species diversity of weeds community of vegetable plot ecosystem during winter in Xiangtan suburb 湘潭市郊冬季菜地生态系统杂草植物群落物种多样性的研究
- The species richness, diversity and evenness of weed community in maize fields in Zhangjiakou and Chengde were higher than other regions, but the Simpson's index was relatively lower. 张家口和承德地区玉米田杂草群落的物种丰富度、多样性及均匀度较其它地区高,而优势度较低。
- Crop rotation system and geographical factors determined the distribution of weed communities in main oilseed rape growing regions in Hubei Province. 轮作制度与地理因素决定了湖北省油菜主产区杂草群落的分布。
- The results show that no significant difference was observed in composition of weed communities between plots receiving balanced NPK fertilization of organic manure or chemical fertilizer. 结果表明:N、P、K平衡施用时,无论是施用有机肥,或是施用无机化肥,田间杂草的种群组成相似;
- We spoke of a diversity of things. 我们谈着各种事物。
- All these indicated that L. radiata obviously changed the composition and structure of weed communities, and effectively controlled the growth of weeds. 说明石蒜改变了杂草的群落结构,有利于限制杂草的发生危害。
- Research Progress on Genetic Diversity of Elymus L. 披碱草属植物遗传多样性研究进展。
- DIVERSITY OF RHIZOBIA ISOLATED FROM ASTRAGALUS SPP. 黄芪根瘤菌的多样性分析。
- Genetic Diversity of Dioscorea bulbifera L. 黄独遗传多样性研究。
- Our strength is the diversity of products. 我们的优势在于我们产品的多样性。
- Part I is Genetic Diversity of Elymus species. 第一部分是披碱草属植物的遗传多样性分析。
- A thick growth of weeds covered the yard. 庭院长满浓密的野草。
- A bit of weeding wouldn't hurt (this garden). 有一点杂草(对这个花园来说)也无所谓。
- A rampant growth of weeds in the neglected yard. 杂草在未被妥善照管的院子里滋长
- We should get a thorough understanding about the cultural diversity of the United States. 我们应该对美国文化的多样性有一个全面的了解。
- The abandoned garden was left to a wanton growth of weeds. 荒园里杂草丛生。
- Diversity of civilization is the source of human evolution. 文明的多样性是人类进化之源。
- The diversity of the breeds is something astonishing. 品种的繁杂,实在使人惊奇。
- The yard is a wilderness of weed and heaped of coal. 院子里杂草丛生,煤堆满地。