Monday, July 28, 2025
问题:荫棚的作用是花卉栽培必不可少的设施,它具有避免日光直射,降低温度,增加湿度,减少蒸发的特点。主要用于栽培喜阴花卉或满足育苗避阴要求。...
Saturday, December 14, 2024
Tuesday, October 22, 2024
Wednesday, July 24, 2024
Sunday, August 18, 2024
Wednesday, March 19, 2025
问题:为了提高鲜切花品质,须加强肥水管理,一般在花蕾现色之前要停止使用的肥料是()。A、氮肥B、钾肥C、磷肥D、钙肥...
Monday, July 28, 2025
Thursday, April 24, 2025
Friday, June 16, 2023
问题:从下选项中,哪一项不是按用途分类的温室()。A、生产性温室B、观赏性温室C、试验研究温室D、加温温室...
Monday, July 28, 2025
问题:花卉温室栽培过程中,土壤常存在哪些问题?如何解决?...
Saturday, February 8, 2025
问题:属于鳞茎类花卉的是()。A、小苍兰B、百合C、仙客来D、秋水仙...
Saturday, May 18, 2024
问题:下列选项中属于大量元素的是()。A、CuB、CC、BD、Zn...
Monday, July 28, 2025
Wednesday, February 19, 2025
Saturday, September 7, 2024
Saturday, December 14, 2024
问题:暖季型草种的是()。A、早熟禾B、剪股颖C、羊茅D、结缕草...
Thursday, April 24, 2025
Saturday, September 7, 2024
Monday, October 2, 2023
问题:日光型温室建造时如何保证光能充分利用于温度的升高?...
Thursday, April 24, 2025