阶段营养期 different nutritional stage
阶段营养期 different nutritional stage
相关考题：
在植物生长发育中，有一个转折时期，此阶段对外界环境条件敏感和营养元素的缺乏影响明显，即使补施亦难弥补，这个阶段称为（）。A、植物营养的阶段性B、植物营养最大效率期C、植物的营养临界期D、植物营养的选择性
在植物生长发育中有一个时期，植物需要养分的绝对数量最多，吸收速率最快，肥料的作用最大，增产效率最高，此时期称为（）。A、植物营养的阶段性B、植物营养最大效率期C、植物的营养临界期D、植物营养的选择性
单选题The problem with Elkhorn and stag horn corals lies in that _____.Athey were not much-liked by many peopleBthey were not well-known enough to be an iconCthey were not considered animals by many peopleDthey were not added to the list of Endangered Species
单选题The peanut is ______.Aof little nutritional valueBdifficult to growCa plant that exhausts the soilDa source of protein
填空题Now some consumers are willing to pay extra money for food with a special nutritional or health benefit.____