包膜控释复合肥对小白菜产量和品质的影响.pdfVIP

仲恺农业技术学院学报，21(2)：49~51，2008 Journa／ofZhongkai University ofAgriculture and Technology 文章编号：1006一o774(2008)02—0049—03 包膜控释复合肥对小白菜产量和品质的影响 朱伯明 ，王正辉¨， 王海清 ，廖宗文 (1．华南农业大学理学院，广东广州510642；2．华南农业大学新肥料研究所，广东广州510642) 摘要：利用大棚盆栽试验，就1次性基施自制的包膜控释复合肥对小白菜 (Brassica chinensis u呻)两茬的产量 及品质的影响进行了研究．结果表明，与100％非包膜控释复合肥处理相比较，施用100％包膜控释复合肥处理 的在1、2茬平均单株鲜重分别增加了34．85％和39．4o％ (P0．05)，主根长、维生素c和可溶性糖含量也都 显著提高 (P0．05)，第2茬产量仅比第1茬产量降低约10％，表明足量的1次包膜控释复合肥基施可以满足 小白菜两茬种植对养分的要求；随着包膜控释复合肥施用量的减少，小白菜的产量、主根长、维生素c及可溶 性糖含量均降低；4o％包膜控释复合肥处理的结果与100％非包膜控释复合肥的相当 (P0．05)，表明自制的 包膜控释复合肥能显著提高小白菜的产量与品质． 关键词：小白菜 (Brassica Chinensis lAnn)；包膜控释复合肥；产量；品质 中图分类号：S145．5 文献标识码：A Effects of coated controHed release compound fertilizer on yield and quality of Chinese cabbage ZHU Bo—ming ，WANG Zheng—hui ‘，WANG Hai．qing ，LIAO Zong—wen (1．School of Science，South China Agricultural University，Guangzhou 510642，China； 2．Institute of New Fertilizer Research，South China Agricultural University，Guangzhou 510642，China) Abstract：Pot experiments in plastic shield trellises were conducted to investigate the effects of different coated controlled rele~e compound fertilizer(CCF)treatments on the yield and the quality of Chinese cabbie．The results showed that．compared with that of the 100％ non-coated compound fenilizer treat- ment，the yield of Chinese cabbie with$anle amount offertilizer treatment in the fLrst and second plant- ing increased 34．84％ and 39．40％ ，respectively，and that main root length，contents of vitamin C and soluble sugar also significantly increased．They reduced while the amount of CCF applied decreased． I11e results of 40％ coated fertilizer treatment were almost similar to those of the 100％ non—coated compound fertilizer treatment．All the results shown that the Use of CCF could notably in