问题:简述绿色大豆的标准是什么?绿色大豆生产对农药和化肥有何要求?
Tuesday, March 26, 2024
Wednesday, January 24, 2024
问题:大豆刚出苗时长的好好的,但过了一段时间,开始变黄,有的地方大豆苗还死了,这是怎么回事?如何防治?
Thursday, August 24, 2023
Thursday, March 21, 2024
Sunday, March 12, 2023
Tuesday, December 12, 2023
问题:去年种植的一些粘玉米,但是玉米籽粒甜,玉米螟没防治好,请问采用什么药防治效果好?
Tuesday, March 26, 2024
Tuesday, December 12, 2023
Thursday, March 21, 2024
Tuesday, December 12, 2023
Monday, July 24, 2023
问题:简述什么是耐密型品种,耐密型品种具有哪些特点?怎样密植?
Monday, June 26, 2023
Thursday, March 21, 2024
Wednesday, January 24, 2024
问题:位于北安和绥化三、四、五积温带的农场如何选择大豆品种?
Wednesday, January 24, 2024
Thursday, July 6, 2023
Thursday, August 24, 2023
Thursday, August 24, 2023
Tuesday, March 26, 2024
Thursday, March 21, 2024