| 基于根区土壤质量指数优化小粒种咖啡滴灌施肥方案 |
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| 引用本文： | 孙文艳,刘小刚,张文慧,李慧永,吴朗,杨启良,熊国美.基于根区土壤质量指数优化小粒种咖啡滴灌施肥方案[J].浙江农业学报,2022,34(3):566-573. |
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| 作者姓名： | 孙文艳 刘小刚 张文慧 李慧永 吴朗 杨启良 熊国美 |
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| 作者单位： | 昆明理工大学 食品科学与工程学院,云南 昆明 650500 |
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| 基金项目： | 国家自然科学基金(51979133);国家自然科学基金(51769010);国家自然科学基金(51469010);云南省教育厅科学研究基金(2021Y116) |
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| 摘 要： | 开展3个施肥量(以单株计,FH 190.8 g,FM 127.2 g,FL 63.6 g)和3个灌水量(以单株计,WH 190.63 L,WM 158.86 L,WL 132.90 L)的2因素3水平完全组合试验,选取小粒种咖啡(Coffea arabica)根区土壤硝态氮、有效磷、速效钾含量,细菌、真菌、放线菌数量,...
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| 关 键 词： | 小粒种咖啡 滴灌施肥 土壤养分 土壤微生物 土壤酶 土壤质量指数 |
| 收稿时间： | 2021-04-18 |
Optimization of drip fertigation scheme for Coffea arabica based on soil quality index |
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| SUN Wenyan,LIU Xiaogang,ZHANG Wenhui,LI Huiyong,WU Lang,YANG Qiliang,XIONG Guomei.Optimization of drip fertigation scheme for Coffea arabica based on soil quality index[J].Acta Agriculturae Zhejiangensis,2022,34(3):566-573. |
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| Authors: | SUN Wenyan LIU Xiaogang ZHANG Wenhui LI Huiyong WU Lang YANG Qiliang XIONG Guomei |
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| Institution: | Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China |
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| Abstract: | In the present study, a full combination test with 2 factors (fertilization level and irrigation level) of 3 levels was carried out. Three fertilization levels (based on single plant) were set as FH 190.8 g, FM 127.2 g, FL 63.6 g, and three irrigation levels (based on single plant) were set as WH 190.63 L, WM 158.86 L, WL 132.90 L. Based on the contents of soil nitrate nitrogen, available phosphorus, available potassium, number of bacteria, fungi and actinomycetes, and activities of catalase, phosphatase and urease, soil quality index (SQI) was constructed. Based on SQI in the root zone of Coffea arabica under different treatments, the suitable drip fertigation scheme was screened out. It was shown that the increasing irrigation level could decrease soil nutrients contents, yet soil nutrients contents increased with the increasing fertilization level. Among all the treatments, soil nutrients contents under FHWL was the highest, and its nitrate nitrogen, available phosphorus, available potassium contents were significantly (P<0.05) increased by 185.7%, 422.9%, 95.9%, respectively, than those of FLWL. The microbial (including bacteria, fungi and actinomycetes) quantity and soil enzymes activities increased with the elevated irrigation level, yet increased first and decreased later with the elevated fertilization level. Compared with FLWL, FMWH showed the best performance in increasing microbial quantity and improving soil enzymes activities, as the number of bacteria, fungi, actinomycetes, and activities of catalase, phosphatase, urease were significantly (P<0.05) increased by 176.4%, 73.3%, 49.2%, 45.1%, 24.6%, 146.6%, respectively. The highest SQI was recorded under FMWH. Therefore, the most suitable drip fertigation scheme was high irrigation level coupled with medium fertilization level (FMWH) under experiment conditions. |
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| Keywords: | Coffea arabica drip fertigation soil nutrients soil microorganism soil enzymes soil quality index |
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