Thursday, October 19, 2023
Thursday, September 15, 2022
问题:植物不同器官对生长素的敏感程度不同,()最敏感,()次之。...
Wednesday, September 14, 2022
Tuesday, January 2, 2024
Tuesday, March 28, 2023
Saturday, September 17, 2022
Wednesday, September 14, 2022
Wednesday, September 14, 2022
Monday, April 22, 2024
问题:农业生产中广泛应用的生长延缓剂是()A、乙烯利B、矮壮素C、脱落酸D、青鲜素...
Thursday, February 23, 2023
问题:一般原产于北方的植物通过春化的温度较(),范围(),需要时间(),冬性()。...
Sunday, November 13, 2022
Tuesday, January 2, 2024
Thursday, September 7, 2023
问题:在光合产物中,嫩叶形成蛋白质较多,成熟叶片形成的较少。...
Tuesday, December 20, 2022
Monday, February 6, 2023
Monday, September 12, 2022
Sunday, November 19, 2023
问题:维管形成层细胞分裂时()。A、向外产生次生韧皮部,向内产生次生木质部B、向外产生木质部,向内产生韧皮部C、向外产生韧皮部,向内产生木质部D、向外产生次生木质部,向内产生次生韧皮部...
Sunday, November 13, 2022
Saturday, September 17, 2022
问题:下列不属于土壤微生物的是()。A、细菌B、线虫C、放线菌D、病毒...
Tuesday, December 20, 2022