Photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the Loess Plateau, China

Luo, Chengwei; Wang, Ruoshui; Li, Chaonan; Zheng, Chenghao; Dou, Xiaoyu; National Key Research and Development Program (China)

Photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the Loess Plateau, China

TUdi - Transforming Unsustainable management of soils in key agricultural systems in EU and China. Developing an integrated platform of alternatives to reverse soil degradation. Referencia del proyecto: 101000224. Partner/Coordinador principal: José Alfonso Gómez Calero – Instituto de Agricultura Sostenible IAS- CSIC.

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Bibliographic Details
Main Authors:	Luo, Chengwei, Wang, Ruoshui, Li, Chaonan, Zheng, Chenghao, Dou, Xiaoyu
Other Authors:	National Key Research and Development Program (China)
Format:	artículo biblioteca
Language:	English
Published:	Elsevier 2023-01-01
Subjects:	Soil nitrogen, Drip irrigation, Fertilization, Fruit tree–crop intercropping, Photosynthesis,
Online Access:	http://hdl.handle.net/10261/309230 http://dx.doi.org/10.13039/501100001809 http://dx.doi.org/10.13039/501100000780 https://api.elsevier.com/content/abstract/scopus_id/85141321748
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id	dig-ias-es-10261-309230
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spelling	dig-ias-es-10261-3092302024-05-18T21:14:10Z Photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the Loess Plateau, China Luo, Chengwei Wang, Ruoshui Li, Chaonan Zheng, Chenghao Dou, Xiaoyu National Key Research and Development Program (China) National Natural Science Foundation of China Natural Science Foundation of Shanxi Province European Commission Soil nitrogen Drip irrigation Fertilization Fruit tree–crop intercropping Photosynthesis TUdi - Transforming Unsustainable management of soils in key agricultural systems in EU and China. Developing an integrated platform of alternatives to reverse soil degradation. Referencia del proyecto: 101000224. Partner/Coordinador principal: José Alfonso Gómez Calero – Instituto de Agricultura Sostenible IAS- CSIC. Imprecise irrigation hinders the sustainable development of the fruit tree–crop intercropping system in the Loess Gully Area of China. Drip fertigation was applied for two years as part of an apple–soybean intercropping system to optimize local water and nutrient management patterns. The effects of different drip irrigation and fertilizer levels on photosynthetic characteristics, soil nutrients, and their interspecific competitions were studied. The treatments were four irrigation levels, namely 60% (W1), 70% (W2), 80% (W3), and 90% (W4) of field capacity (Fc), and three nitrogen fertilization levels, namely 59 (F1), 92 (F2), and 124 kg∙ha–1 (F3). The control (CK) was a rain-fed (neither irrigation nor fertilizer) crop. The net photosynthetic rate (Pn), transpiration rate (Tr), and soybean yield (GY) increased at first, but then decreased as irrigation and fertilizer application levels rose. The partial factor productivity (PFP) decreased as fertilization increased, but the soil available nitrogen content showed the opposite trend. The soil nutrients, and soybean Pn and Tr were positively correlated with distance from the apple tree row. The interspecific competition intensity for light and soil water decreased from 2018 to 2019, while root and soil nitrate nitrogen (NN) increased. The interspecific competition correlation between the aboveground and belowground parts was weak and varied between the two intercropping years. A principal component analysis showed that treatment W3F2 had the highest comprehensive score. Thus, a combination of irrigation at 80% Fc and 92 kg∙ha–1 nitrogen fertilizer application is optimal for the system. A multiple regression analysis indicated a water input range of 4624.49–4795.75 m3·ha−1·a−1 combined with 84.10–107.27 kg·ha−1·a−1 fertilizer application was suitable for optimal irrigation and fertilization management based on the integrated benefits to root length density, GY, Pn, and PFP during the first 4–5 years of the intercropping system. This work was financially supported by National Key Research and Development Program of China (2022YFE0115300) and National Natural Science Fund (32271960). We are grateful for the support from the Forest Ecosystem Studies, National Observation and Research Station, Jixian, Shanxi, China. No 2023-05-19T09:26:08Z 2023-05-19T09:26:08Z 2023-01-01 artículo http://purl.org/coar/resource_type/c_6501 Agricultural Water Management 275: 108001 (2023) 0378-3774 http://hdl.handle.net/10261/309230 10.1016/j.agwat.2022.108001 http://dx.doi.org/10.13039/501100001809 http://dx.doi.org/10.13039/501100000780 2-s2.0-85141321748 https://api.elsevier.com/content/abstract/scopus_id/85141321748 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/H2020/101000224 Publisher's version https://doi.org/10.1016/j.agwat.2022.108001 Sí open application/pdf Elsevier
institution	IAS ES
collection	DSpace
country	España
countrycode	ES
component	Bibliográfico
access	En linea
databasecode	dig-ias-es
tag	biblioteca
region	Europa del Sur
libraryname	Biblioteca del IAS España
language	English
topic	Soil nitrogen Drip irrigation Fertilization Fruit tree–crop intercropping Photosynthesis Soil nitrogen Drip irrigation Fertilization Fruit tree–crop intercropping Photosynthesis
spellingShingle	Soil nitrogen Drip irrigation Fertilization Fruit tree–crop intercropping Photosynthesis Soil nitrogen Drip irrigation Fertilization Fruit tree–crop intercropping Photosynthesis Luo, Chengwei Wang, Ruoshui Li, Chaonan Zheng, Chenghao Dou, Xiaoyu Photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the Loess Plateau, China
description	TUdi - Transforming Unsustainable management of soils in key agricultural systems in EU and China. Developing an integrated platform of alternatives to reverse soil degradation. Referencia del proyecto: 101000224. Partner/Coordinador principal: José Alfonso Gómez Calero – Instituto de Agricultura Sostenible IAS- CSIC.
author2	National Key Research and Development Program (China)
author_facet	National Key Research and Development Program (China) Luo, Chengwei Wang, Ruoshui Li, Chaonan Zheng, Chenghao Dou, Xiaoyu
format	artículo
topic_facet	Soil nitrogen Drip irrigation Fertilization Fruit tree–crop intercropping Photosynthesis
author	Luo, Chengwei Wang, Ruoshui Li, Chaonan Zheng, Chenghao Dou, Xiaoyu
author_sort	Luo, Chengwei
title	Photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the Loess Plateau, China
title_short	Photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the Loess Plateau, China
title_full	Photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the Loess Plateau, China
title_fullStr	Photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the Loess Plateau, China
title_full_unstemmed	Photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the Loess Plateau, China
title_sort	photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the loess plateau, china
publisher	Elsevier
publishDate	2023-01-01
url	http://hdl.handle.net/10261/309230 http://dx.doi.org/10.13039/501100001809 http://dx.doi.org/10.13039/501100000780 https://api.elsevier.com/content/abstract/scopus_id/85141321748
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_version_	1802819999476219904

Photosynthetic characteristics, soil nutrients, and their interspecific competitions in an apple–soybean alley cropping system subjected to different drip fertilizer regimes on the Loess Plateau, China

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