| 灯笼红萝卜鲜、干重生长动态及营养吸收特性的研究 |
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| 引用本文： | 张淑霞.灯笼红萝卜鲜、干重生长动态及营养吸收特性的研究[J].河北科技师范学院学报,1999(1). |
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| 作者姓名： | 张淑霞 |
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| 作者单位： | 河北职业技术师范学院中心化验室 |
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| 摘 要： | 研究了灯笼红萝卜鲜重、干重生长动态及氮、磷、钾、硫的吸收规律。结果表明：出苗后３６～８０ｄ是植株鲜重、干重增长的主要时期；肉质根产量在６８６３３ｋｇ／ｈｍ２水平下，每生产１０００ｋｇ肉质根植株需吸收Ｎ２．４３ｋｇ，Ｐ２Ｏ５１．６９ｋｇ，Ｋ２Ｏ２．６６ｋｇ，Ｓ０．７４ｋｇ（（比例为１．００∶０．７０∶１．０９∶０．３０）；植株吸收养分的主要时期在出苗后３６～８０ｄ；植株吸收的各种养分收获时主要贮存在肉质根内。
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| 关 键 词： | 灯笼红萝卜 鲜重 干重 营养 |
STUDYONTHEGROWTHTRENDOFFRESHANDDRYWEIGHTOFDENGLONGHONGRADISHANDITSUPTAKECHARACTERISTICSOFNUTRIENTS |
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| ZhangShuxia.STUDYONTHEGROWTHTRENDOFFRESHANDDRYWEIGHTOFDENGLONGHONGRADISHANDITSUPTAKECHARACTERISTICSOFNUTRIENTS[J].Journal of Hebei Normal University of Science & Technology,1999(1). |
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| Authors: | ZhangShuxia |
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| Abstract: | ThegrowthtrendoffreshanddryweightofdenglonghongradishanditsuptakeruleofN,P,KandSwerestudiedinthispaper.Theresultsshowedthatthemaingrowthstageoffreshanddryweightwasat3680daysofseedlingage.Itneeded2.43kgofN,1.69kgofP2O5,2.66kgofK2Oand0.74kgofS(attherateof1.000.701.090.30)toproduce1000kgofsucculenttaprootwhentheyieldofsucculenttaprootwas68 633kgperhectare.Themainuptakestageofnutrientswasat3680daysofseedlingage.Thenutrientsabsorbedbyplantwouldmainlystoredinsucculenttaprootinharvest. |
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| Keywords: | denglonghongradish freshweight dryweight nutrients |
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