问题:什么叫作物的生长?什么叫作物的发育?分别举例说明。并简单分析生长与发育的关系。
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:温带地区树木的生物学零度一般日平均温度为()℃A、5B、8C、10D、18
Thursday, August 24, 2023
Monday, November 14, 2022
Thursday, September 15, 2022
Saturday, July 1, 2023
问题:顶端优势不太强的花灌木,但发枝力强,易形成丛状树冠,可修剪成球形、半球形的树种有()。A、桂花B、栀子花C、檵木D、海桐
Wednesday, February 7, 2024
Monday, September 12, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:绿篱根据高度分为()篱、中篱、()篱,有自然式和整形式等。
Monday, July 31, 2023
Wednesday, May 10, 2023
Sunday, March 12, 2023
问题:修剪的程序是“一()、二()、三()、四()、五()。”
Thursday, September 15, 2022
Saturday, May 13, 2023
Thursday, August 24, 2023
Wednesday, May 10, 2023
Tuesday, July 25, 2023
问题:藤本树种的主要栽植种类中:常绿类有()、春花类有()。
Monday, September 12, 2022