药物处理抗旱保苗
HEBEI AGRICULTURAL SCIENCE AND TECHNOLOGY（2003）
Abstract
1黄腐酸.其生理作用是减少气孔开张度,降低蒸腾,保持植物内部水分,提高根系活力,防止早衰.此药可配成0.5%～1%的溶液,于造林前喷洒在苗木根、茎、叶上.
2腐植酸钠.此药可稀释成1%～5%的溶液,然后与0.1%～0.2%的尿素的混合,于造林前泡根30分钟即可.
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