Thursday, August 24, 2023
Friday, July 14, 2023
Saturday, July 1, 2023
Wednesday, March 6, 2024
Wednesday, April 10, 2024
独赏树定植的地点以在大草坪上最佳或植于广场的中心,道路的交叉口或坡路的转角处。在()树的周围应有开阔的空间。...
Thursday, August 17, 2023
重短截是剪去枝长的(),剌激作用大,主要用于弱树、老树、老弱枝更...
Monday, September 12, 2022
Tuesday, July 25, 2023
Friday, July 14, 2023
苗木或树木掘起或搬运后不能及时种植,为了保护根系维持生命活动而采取的()期或临时将根系埋于湿土中的措施称为()...
Monday, May 6, 2024
为保持花果丰盛壮年树的花芽分化能力,应增施P、K肥、调节花果量。...
Tuesday, July 25, 2023
适合于造形类树种是()A、海桐B、黄杨C、火棘D、五针松...
Wednesday, March 6, 2024
Wednesday, February 7, 2024
物候观测应做到:1.定点;2.();3.定时、定年限;4.();...
Monday, September 12, 2022
Monday, September 12, 2022
屋顶绿化中树种选择注意要点是什么?列举小乔木,灌木,攀缘植物各五种。...
Tuesday, December 13, 2022
Tuesday, February 7, 2023
Monday, September 12, 2022
Friday, June 9, 2023