在進(jìn)行試驗(yàn)前須按照預(yù)定行距開(kāi)好播種溝,并應(yīng)該根據(jù)田間種植計(jì)劃書的區(qū)劃插上區(qū)號(hào)(或行號(hào))木牌,經(jīng)過(guò)查對(duì)無(wú)誤后才按試驗(yàn)小區(qū)(或行號(hào))分發(fā)種子袋,再將區(qū)號(hào)(或行號(hào))與種子袋上號(hào)碼核對(duì)一次,無(wú)誤后開(kāi)始播種。播種時(shí)應(yīng)力求種子分 (共 679 字) [閱讀本文] >>