肥料的施用应根据鲜切花生长需要,按一定配比施用氮、磷、钾三种元素,不宜单施一种元素。...
Thursday, December 28, 2023
光照不足时会引起植株徒长,节间延长,分蘖能力增强,且易于感染病虫害。...
Wednesday, February 7, 2024
被称为“切花之王”的是()。A、百合B、郁金香C、风信子D、唐菖蒲...
Sunday, April 21, 2024
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...
Friday, October 13, 2023
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。...
Friday, April 26, 2024
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Thursday, December 28, 2023
Friday, June 16, 2023
Saturday, December 9, 2023
Saturday, May 18, 2024
大多数花卉在PH为()的土壤中生长良好。A、4.0-5.0B、4.0-5.5C、6.5-7.5D、5.5-7.0...
Saturday, May 18, 2024
Thursday, September 15, 2022
Monday, January 15, 2024
Saturday, May 18, 2024
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
Monday, October 2, 2023
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