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| Soil Insect Diversity and Abundance Following Different Fertilizer Treatments on the Loess Plateau of China |
| LIN Ying-hua, LU Ping, YANG Xue-yun , ZHANG Fu-dao |
1.Institute of Wetland Research, Chinese Academy of Forestry, Beijing 100091, P.R.China
2.Key Laboratory of Forest Protection of State Forestry Administration, Research Institute of Ecology Environment and Protection, Chinese Academy of Forestry, Beijing 100091, P.R.China
3.College of Resources and Environmental Sciences, Northwest A&F University, Yangling 712100, P.R.China
4.Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R.China |
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摘要 The presence of abundant and diverse communities of macro-arthropods is considered an indicator of sustainability in agroecosystems. This study was designed to investigate the effects of different fertilizer treatments on abundance and diversity of insects of arable loess soil on the Loess Plateau of China. These regimes included a control with no fertilizer addition or manure, treatments with application of mineral fertilizers (N, NK, NP, PK, NPK), treatments with NPK in combination with organic materials such as wheat straw or maize stalk, treatments with two rates of organic manure application; and different crop rotations (Rot.1: winter wheat summer maize; Rot.2: winter wheat summer maize soybean intercropping; and Rot.3: winter wheat or rapeseed summer maize soybean intercropping). Soil macro-arthropods were collected from the plough layer (0-20 cm) and sorted by hand after each harvest in June and October 2001 and 2002. A total of 3 132 individuals were collected, from 7 orders and 55 families, dominated by Formicidae (61.72%) and Staphylinidae (14.24%). The results showed that individuals and groups were significantly influenced by sampling dates, while groups were significantly influenced by the fertilization treatments. Soil insect biodiversity, as determined by the Shannon index, was significantly influenced by fertilization and sampling dates. The abundance of soil insects was positively and significantly correlated with soil moisture content in October 2002. Nitrogen, phosphorus and potassium fertilizers and incorporation of organic materials were favorable factors for abundance and diversity in arable loess soil.
Abstract The presence of abundant and diverse communities of macro-arthropods is considered an indicator of sustainability in agroecosystems. This study was designed to investigate the effects of different fertilizer treatments on abundance and diversity of insects of arable loess soil on the Loess Plateau of China. These regimes included a control with no fertilizer addition or manure, treatments with application of mineral fertilizers (N, NK, NP, PK, NPK), treatments with NPK in combination with organic materials such as wheat straw or maize stalk, treatments with two rates of organic manure application; and different crop rotations (Rot.1: winter wheat summer maize; Rot.2: winter wheat summer maize soybean intercropping; and Rot.3: winter wheat or rapeseed summer maize soybean intercropping). Soil macro-arthropods were collected from the plough layer (0-20 cm) and sorted by hand after each harvest in June and October 2001 and 2002. A total of 3 132 individuals were collected, from 7 orders and 55 families, dominated by Formicidae (61.72%) and Staphylinidae (14.24%). The results showed that individuals and groups were significantly influenced by sampling dates, while groups were significantly influenced by the fertilization treatments. Soil insect biodiversity, as determined by the Shannon index, was significantly influenced by fertilization and sampling dates. The abundance of soil insects was positively and significantly correlated with soil moisture content in October 2002. Nitrogen, phosphorus and potassium fertilizers and incorporation of organic materials were favorable factors for abundance and diversity in arable loess soil.
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Received: 29 September 2012
Accepted:
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| Fund: This work was supported by the special fund from the Social Public Welfare from the Ministry of Science and Technology (2000-177) and the National Natural Science Foundation of China (31071904). |
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Corresponding Authors:
Correspondence LIN Ying-hua, Mobile: 13671160455, E-mail: linyinghua@263.net
E-mail: linyinghua@263.net
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Cite this article:
LIN Ying-hua, LU Ping, YANG Xue-yun , ZHANG Fu-dao.
2013.
Soil Insect Diversity and Abundance Following Different Fertilizer Treatments on the Loess Plateau of China. Journal of Integrative Agriculture, 12(9): 1644-1651.
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