问题:膜下滴灌常用于()。A、水生植物栽培B、盆栽花卉栽培C、潮汐式灌溉D、干旱地区的节水栽培...
Friday, March 31, 2023
Monday, September 12, 2022
问题:一旦设施栽培因多年连作而发生土壤盐渍化,引起作物生理障碍时,可采...
Monday, September 12, 2022
Monday, September 12, 2022
Monday, January 29, 2024
问题:全面施肥是播种、定植前在土壤上普遍地施肥,一般采用()的方式。A、施基肥B、追肥C、种肥D、根外施肥...
Monday, October 16, 2023
问题:在选用植物生长调节剂时各种调节剂和切花的作用关系不是很密切()...
Thursday, January 25, 2024
Tuesday, September 13, 2022
问题:关于种植穴、槽定点放线,以下说法不正确的是()。...
Monday, September 12, 2022
问题:花卉原产地生态条件决定了花卉的生态习性,郁金香、天竺葵、风信子、...
Monday, September 12, 2022
问题:观赏植物缺少()元素的症状,是从老叶开始表现的。...
Monday, September 12, 2022
问题: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...
Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Monday, September 12, 2022
Monday, September 12, 2022