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1选用优种选用嫩茎粗大,茎顶鳞片紧密,不易散开,高产抗病的西班牙白芦笋。2播种育苗2.1播前种子处理。①首先将干种子放在45℃～55℃热水中浸种,水温下降时及时加入70℃以上热水,维持20min后,立即倒出热水,加入25℃左右冷水降温,
1 selection of excellent selection of tender stems large, stem top scales close, difficult to spread, high yield and disease-resistant Spanish white asparagus. 2 sowing seedlings 2.1 sowing seed treatment. ① first dry seeds soaked in hot water 45 ℃ ~ 55 ℃, when the water temperature dropped 70 ℃ timely added hot water, maintain 20min, immediately pour out hot water, add about 25 ℃ cold water cooling,