Water-Soil-Crop Relationships in Agriculture Production

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Soil and Water".

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 2372

Special Issue Editors


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Guest Editor
Faculty of Modern Agricultural Engineering, Kunming University of Science and Technology, Kunming 650500, China
Interests: drip fertigation; migration of water and nutrient in soil; water and fertilizer productivity; plant-water-nutrient relations; isotope tracing; crop growth model
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Modern Agricultural Engineering, Kunming University of Science and Technology, Kunming 650500, China
Interests: agricultural soil and water environment; efficient utilization of water and fertilizer for crops, water-soil-crop relationships in dryland agriculture

E-Mail Website
Guest Editor
Faculty of Modern Agricultural Engineering, Kunming University of Science and Technology, Kunming 650500, China
Interests: water-saving irrigation; water-fertilizer productivity; soil improvement; soil salinity; root rot disease; biochar; water-soil-crop relationships in intercropping systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It is still a long-term challenge to ensure food security and sustainable agricultural development in the world. The water-soil-crop relationships, which is a key process in the agricultural production, play an important role in ensuring food security and maintaining sustainable agricultural development. However, water-soil-crop relationships were very complex and still not well-understood in different agricultural production processes. It resulted in a fact that, in order to obtain higher crop yield, extensive irrigation and fertilization management measures were usually applied in the agricultural production process, which has resulted in soil deterioration, crop yield reduction, and serious agricultural non-point source pollution, further restricting the sustainable development of agriculture. The objective of this Special Issue was therefore to focus on water-soil-crop relationships in agriculture production for ensuring food security and achieving precision irrigation agriculture and agricultural sustainability.

Potential topics that included but are not limited to the following:

  • Migration of soil water and nutrient in farmland irrigation and fertilization production
  • Water and fertilizer use indicators of increasing yield and improving quality in crop productivity
  • Development of novel soil conditioner (water-retaining agent, bio-organic fertilizer, biochar et al.) to cope with problematic Soils (such as saline-alkali soil, acid soil, poor soil aggregate structure, and soil diseases caused by successive crops).

Dr. Haidong Wang
Prof. Dr. Qiliang Yang
Dr. Jiaping Liang
Guest Editors

Manuscript Submission Information

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Keywords

  • migration of water and nutrient in soil
  • water and fertilizer productivity
  • plant-water-nutrient relations
  • agricultural soil and water environment
  • efficient utilization of water and fertilizer for crops
  • water-saving irrigation
  • water-fertilizer productivity
  • soil improvement
  • soil salinity
  • root rot disease
  • biochar

Published Papers (1 paper)

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Research

16 pages, 3163 KiB  
Article
Precision Nitrogen Fertilizer and Irrigation Management for Apple Cultivation Based on a Multilevel Comprehensive Evaluation Method of Yield, Quality, and Profit Indices
by Shibiao Cai, Bangyu Zheng, Zhiyuan Zhao, Zhaoxia Zheng, Na Yang and Bingnian Zhai
Water 2023, 15(3), 468; https://doi.org/10.3390/w15030468 - 24 Jan 2023
Cited by 5 | Viewed by 2022
Abstract
Precise and efficient fertilizer and irrigation management is critical for apple production in the Loess Plateau, China. In this study, we established three levels of nitrogen application and irrigation in nine treatments in an apple orchard based on a completely randomized block design. [...] Read more.
Precise and efficient fertilizer and irrigation management is critical for apple production in the Loess Plateau, China. In this study, we established three levels of nitrogen application and irrigation in nine treatments in an apple orchard based on a completely randomized block design. Then, we analyzed different apple indicator responses to nitrogen and irrigation and their related interactions. More importantly, we used the multilevel comprehensive fuzzy evaluation value (MFCE) method to combine the weights of all indicators to obtain the comprehensive growth indicators for apples. Finally, we analyzed the effect of nitrogen and irrigation coupling on the comprehensive growth of apples and then determined the optimal interval for nitrogen application and irrigation. The results indicated that an increase in the amount of irrigation was beneficial for apple yield, but excessive nitrogen fertilizer application significantly reduced apple yield. The apple indicators were not sensitive to irrigation and nitrogen application and their related interactions; they were mainly controlled by the apple cultivar. On the other hand, an increase in the amount of nitrogen fertilizer or a reduction in the amount of irrigation could improve apple quality. The results of the comprehensive evaluation showed that the T5 treatment was most beneficial for the comprehensive growth of apples. To obtain the optimal interval for nitrogen application and irrigation more precisely, we used multiple linear regression based on the MFCE values of apples, nitrogen, and irrigation in R language. Nitrogen and irrigation showed a positive effect on the comprehensive growth of apples when the irrigation amount was low. However, nitrogen application and irrigation had a negative effect on the comprehensive growth of apples when the irrigation level was high. After optimization, the optimal nitrogen application and irrigation amounts were 170.5–189.5 kg·hm−2 and 38.4–42.7 mm, respectively. We recommend using this irrigation and fertilizer management scheme for apple orchards in China’s Loess Plateau. Full article
(This article belongs to the Special Issue Water-Soil-Crop Relationships in Agriculture Production)
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