简介:Thegrowthandmorphologicalcharacteristicsof25speciesofpoplarwereinvestigated.ThecuttingswerecultivatedinHoaglandNutrientSolution,whichwasmadewithsodiumchloride(NaCl)solutionsofconcentrationof1.00,3.00,4.00,5.00,6.00,and8.00g/L,respectively.Undersuchsaltstress,thenewbranchlengthandbiomassaccumulationofcuttingsdecreasedasthesaltconcentrationincreased.Theroot/shootratioofmostofspeciesshowedanescalationandthenreductiontendency.Underlowcon...
简介:5ZHG-25新型经济作物自动化烘干机,用热风炉产生的纯净热风,采用加热干燥和通风干燥两种及干燥脱水方式同时进行,加强热风通风量合理调整,多层烘干盘循环翻转,逐层烘干,最大程度的模拟阳光下的人工翻转,充分利用热风烘干脱水迅速,从而达到高效运行。