摘要：

以龍井43為材料,研究茶渣有機肥、生物有機肥和蠶沙有機肥分別與化肥配施對茶葉產(chǎn)量和品質(zhì)的影響。結(jié)果表明,3種有機肥與化肥配施均可顯著提高土壤pH值,增加速效磷含量、速效鉀含量和有機質(zhì)含量,其中蠶沙有機肥與化肥配施對土壤基礎(chǔ)理化指標(biāo)的提升效果最為明顯;與其他有機肥和化肥配施相比,蠶沙有機肥與化肥配施增產(chǎn)效果最為顯著,增產(chǎn)幅度達33.9%;茶渣有機肥、生物有機肥與化肥配施處理均可顯著提高葉片中總?cè)~綠素的含量,提高幅度分別為16.8%和15.4%,其中對葉綠素b含量的提升作用優(yōu)于葉綠素a。蠶沙有機肥與化肥配施可顯著提高葉片中游離氨基酸含量,提高幅度達16.5%;生物有機肥與化肥配施可顯著提高葉片中茶多酚含量,提高了25.4%。本研究結(jié)果可為基于產(chǎn)量和品質(zhì)的茶葉生產(chǎn)過程中有機肥的施用提供參考。

關(guān)鍵詞: 有機肥, 茶葉, 品質(zhì)

Abstract:

Using Longjing 43 as the material, the effects of organic fertilizers of tea residue, biological organic fertilizer and silkworm excrement organic fertilizer combined with chemical fertilizer on the yield and quality of tea were studied. The results showed that the combined application of three kinds of organic fertilizers and chemical fertilizer could significantly increase the soil pH, the content of available phosphorus, available potassium and organic matter. The combined application of silkworm excrement organic fertilizer and chemical fertilizer significantly improved the soil basic physical and chemical indexes and increased yield (33.9%), compared with other treatments. The organic fertilizer of tea residue and biological organic fertilizer treatments could significantly increase the content of total chlorophyll in leaves, with an increment of 16.8% and 15.4%, in which the improvement effect on chlorophyll b content was better than that on chlorophyll a. The combined application of silkworm excrement organic fertilizer and chemical fertilizer could significantly increase the content of free amino acids in leaves by 16.5%. The combined application of biological organic fertilizer and chemical fertilizer could significantly increase the content of tea polyphenols in leaves by 25.4%. The results of this study can provide a reference for the application of organic fertilizers in the process of tea production based on yield and quality.

Key words: organic fertilizers, tea, quality

中圖分類號: 

S571.1

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