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两种有机肥对灌淤土特性及“美乐”葡萄果实的影响

Effects of Two Kinds of Organic Fertilizers on Characteristics of Irrigation Soil and ‘Merlot’ Fruit

  • 摘要: 以灌淤土上种植的九年生酿酒葡萄“美乐”为试材,采用以牛羊粪便和牛羊尸体制成的2种不同有机肥和传统化肥的施用方法,研究了不同生物化肥与传统化肥对土壤理化性质、酶活性及“美乐”葡萄生长状况、光合性能和浆果品质的影响,以期为宁夏贺兰山东麓地区灌淤土土壤酿酒葡萄选用肥料种类提供参考依据。结果表明:与施用化肥相比,2种有机肥均可显著提高灌淤土土壤理化性质及土壤酶活性,对于土壤深层的改良效果更加明显,同时可显著提高“美乐”葡萄叶片的光合性能,促进植株生长,提高浆果百粒质量及可溶性固形物、总酚、花色苷含量,降低可滴定酸和单宁含量,改善浆果品质,其中以牛羊尸体制成的有机肥表现更佳。

     

    Abstract: Taking 9-year-old wine grape ‘Merlot’ planted on the irrigated soil as the test material, two different organic fertilizers which was made from cattle/sheep dung and carcasses and traditional chemical fertilizers were applied respectively, by measuring their effects on soil physical and chemical properties, enzyme activities, growth status, photosynthetic performance and berry quality of ‘Merlot’ grape were studied, in order to explore the effect of organic fertilizer on soil fertility of irrigated soil and fruit quality of ‘Merlot’ grape, and to provide reference for selecting fertilizer types suit for irrigated soil at the eastern foot of Helan Mountain in Ningxia.The results showed that, compared with chemical fertilizers, the two kinds of organic fertilizers could significantly improve the physical and chemical properties of irrigated soil and soil enzyme activity, and the improvement effect on the deep soil was more obvious.At the same time, they could significantly improve the photosynthetic performance of ‘Merlot’ grape leaves, promote plant growth, increase the 100-grain weight, the contents of soluble solids, total phenols and anthocyanins, reduce the contents of titratable acids and tannins, thereby improving the quality of berries.Among them, the organic fertilizer made from cattle and sheep carcasses performed better.

     

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