问题:常用的播种方法有()。A、撒播B、条播C、点播D、飞机播种
Monday, February 12, 2024
Wednesday, September 14, 2022
Monday, September 12, 2022
Monday, April 29, 2024
Saturday, July 29, 2023
Wednesday, November 30, 2022
Friday, November 18, 2022
Friday, June 30, 2023
Friday, April 7, 2023
问题:不能与苗木一起栽入土的容器是()。A、泥炭制成的B、纸张制成的C、稻草制成的D、聚乙烯制成的
Saturday, February 25, 2023
Sunday, February 19, 2023
Monday, April 29, 2024
Wednesday, September 14, 2022
问题:良种基地主要有母树林、()和(),是保障种子具有优良遗传特性的有效措施。
Wednesday, November 30, 2022
Friday, May 3, 2024
Friday, June 30, 2023
问题:一般富含脂肪和蛋白质的种子寿命比含淀粉多的种子寿命()。A、短B、相同C、长D、不确定
Friday, January 12, 2024
问题:根据苗木繁殖材料不同,可以划分为()和()。按苗木培育年限不同可以分为()和()。
Thursday, January 4, 2024
Friday, July 21, 2023
Wednesday, September 14, 2022