THE GROWTH AND MINERAL CONTENT OF FLUE-CURED TOBACCO AS INFLUENCED BY REACTION OF NUTRIENT SOLUTIONS WITH IONIC FORMS OF NITROGEN
[摘要] Studieswithflue-curedtobaccoinsandcultureshowedthattheoptimumreactionoftheculturemediumvariedwiththeionicformsofnitrogensupplied.NitratenitrogenwasassimilatedmostefficientlyatpH5.Whenbothnitrateandammoniumnitrogenweresupplied,pH8wasoptimum.Ammoniumnitrogenwasassimilatedbytheplantasreadilyasnitratewhenthereactionoftheculturemediumwasfavourable.Theaccumulationofallthemajornutrientelementsintheleaftissuewasinfluencedbythereactionoftheculturemedium.TheashcontentoftheleaveswashighestovertherangeofpHvalues4to6,inclusive.
[发布日期] [发布机构]
[效力级别] [学科分类] 农业科学（综合）
[关键词] [时效性]
