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培育基質(zhì)處理。基質(zhì)選用河砂或者蛭石,保證選擇的基質(zhì)顆粒大小適宜且均勻。將10%草甘磷100倍液噴灑至培育茶苗的畦土上,2天后,將70%甲基托布津可濕性粉劑500倍液噴至畦土。對(duì)培育畦土進(jìn)行翻土處理,深度約25~30cm,再將70%甲基托布津可濕性粉劑1000倍液噴至畦土,1天后,整理畦土,使其平整
茶苗新梢生長(zhǎng)力zui旺盛的時(shí)間是5~7月,在此時(shí)間段進(jìn)行茶苗扦插,不僅可以減少人工的投入,還可以收獲春茶。本次試驗(yàn)中,夏季扦插后25天茶苗開(kāi)始生根。而關(guān)于秋插的研究中,扦插后40天才開(kāi)始生根,生根時(shí)間明顯長(zhǎng)于夏插,主要原因在于夏天溫度適宜,插穗切口愈合能力較強(qiáng),能在較短時(shí)間內(nèi)恢復(fù)
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