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4 个结果
  • 简介:TheChildNutritionPrograminvitesallstudentstoparticipateintheschoolbreakfastandlunchprogramatschool.Ourgoalistoimprovethehealthandeducationofstudentsbyprovidingnutritiousmealsthatpromotefoodchoicesforahealthydiet.Failuretoeatbalancedmealsincreasestheriskofillnessincludingobesity,

  • 标签: 高中 英语 注释读物 阅读练习
  • 简介:AseriesofresearchesonthenutritionproblemsinthecultivationofChinesefirseedlingsandplantations,whicharemainlyfocusontheproblemsofseriouslanddegradationinChinesefirplantationsincontradictionwiththerapiddevelopmentoftheplantationsinChina,weresummarized.Twelveyearswastakenandmorethan30piecesofresearchpaperswerepublishedfortheresearches,whichreferstotheproblemsofgrowtheffect,physiologicaleffect,vegetationvariation,biomassaccumulation,n...

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  • 简介:BasedonthepreviousstudyoncultivationnutritionofCunninghamialanceolataplantationsoffirstgeneration,thecultivationnutritionofC.lanceolataplantationswithmulti-generationwasstudied.Theresultsshowthattherearesignificantdifferencesinthegrowth,developmentandnutrientassimilationamongC.lanceolataplantationswithdifferentgenerationsandnutritionconditions.ThesedifferencesarecloselyrelatedtothelandfertilitydeclineofC.lanceolataplantations.Thispaperde...

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