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The Effects of Different Controlled-release Nitrogen Fertilizers on Yield and Quality of Flowering Chinese Cabbage |
Peng Xiahui; Liu Houcheng; Sun Guangwen; et al. |
College of Horticulture; South China Agricultural University; Guangzhou 510642 |
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Abstract The effects of different controlled-release nitrogen fertilizers(CRNFs)(PDU,PHU,PS2U,PS5U)on yield and quality of flowering Chinese cabbage(Brassica campestris L.ssp.chinensis var.utilis Tsen et Lee)were studied by field experiment.The results showed that the yield was significantly increased by 19.1 %~28.2 % with CRNFs application,compared with the urea treatment with same nitrogen level.The effects of PDU were the most obvious among the 4 CRNFs.The content of soluble protein and VC in flower stalk were th...
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Received: 02 March 2006
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