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Agriculture
Special Issues
Interventions and Management of Rice Cropping Systems
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Interventions and Management of Rice Cropping Systems

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Production".

Deadline for manuscript submissions: closed (20 March 2023) | Viewed by 1834

Special Issue Editors

Dr. Xiaochuang Cao

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Guest Editor
State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, Zhejiang, China
Interests: rice cultivation; soil fertility; plant nutrition; organic N; fertilizer
Special Issues, Collections and Topics in MDPI journals
Dr. Lianfeng Zhu

E-Mail Website
Guest Editor
State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, Zhejiang, China
Interests: rice cultivation; soil nutrients cycling; tillage technology; crop physiology; fertilizer
Dr. Yali Kong

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Guest Editor
State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, Zhejiang, China
Interests: abiotic stress; rhizo-microbiome; plant–microbe interactions
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent decades, the rice yield, including the single and double cropping systems, has increased significantly worldwide; this is primarily attributed to genetic gain, the increase in the input of inorganic fertilizers (especially N) and cultivation technology. However, the unreasonable farming management and long-term excess application of inorganic fertilizers in rice production lead to lower resource use efficiency and adverse environmental consequences, such as water eutrophication, soil erosion (acidification or salt drought risk), and biodiversity loss. Therefore, it is essential to develop sustainable management practices in order to improve nutrient efficiency and produce more grain with higher soil fertility and lower environmental costs.

This Special Issue focuses on rice cleaner production, nitrogen fate in the rice–soil system, and physical, chemical and biological changes in paddy soil caused by the different fertilization, soil improvement, tillage, irrigation and crop rotation strategies. For this reason, it welcomes highly interdisciplinary quality studies from disparate research fields including agronomy, nutrient management and modeling, soil conservation, environmentalism, and even occupational risk prevention. Original research articles and reviews are accepted.

Dr. Xiaochuang Cao
Dr. Lianfeng Zhu
Dr. Yali Kong
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agriculture is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • rice–soil system
  • rice cultivation
  • nitrogen cycling
  • soil fertility
  • soil conservation

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Published Papers (2 papers)

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Research

17 pages, 2179 KiB  
Article
Predicting the Nitrogen Quota Application Rate in a Double Rice Cropping System Based on Rice–Soil Nitrogen Balance and 15N Labelling Analysis
by Xiaochuang Cao, Birong Qin, Qingxu Ma, Lianfeng Zhu, Chunquan Zhu, Yali Kong, Wenhao Tian, Qianyu Jin, Junhua Zhang and Yijun Yu
Agriculture 2023, 13(3), 612; https://doi.org/10.3390/agriculture13030612 - 2 Mar 2023
Cited by 4 | Viewed by 1820
Abstract
Excessive nitrogen (N) fertilization, low use efficiency, and heavy pollution are the dominant issues that exist in intensively cultivated double rice cropping systems in China. Two-year field and 15N microregion experiments were conducted to evaluate the N fate in a soil-rice system [...] Read more.
Excessive nitrogen (N) fertilization, low use efficiency, and heavy pollution are the dominant issues that exist in intensively cultivated double rice cropping systems in China. Two-year field and 15N microregion experiments were conducted to evaluate the N fate in a soil-rice system under a series of different N rate treatments from 2020 to 2021. The economic N application rate that simultaneously improved rice yield and N use efficiency in the rotation system was also investigated. Results demonstrated that soil residues and mineralized N accounted for more than 58.0% and 53.2% of the total N input in the early and late rice seasons, respectively. Similarly, most of the total N input was absorbed by rice, ranging from 43.7% to 55.6% in early rice and from 36.8% to 54.7% in late rice. Rice N use efficiency significantly decreased with increasing N application, while rice grain yield and its N uptake increased when the N application rate was below 150 kg ha−1 in early rice and 200 kg ha−1 in late rice. Exceeding this point limited rice N uptake and yield formation. The apparent N recovery rate, N residual rate, and N loss rate were 23.5–34.4%, 17.0–47.1%, and 26.0–47.8% for the early rice, and 32.8–37.3%, 74.2–87.0%, and 71.5–92.1% for the late rice. The linear plateau analysis further indicated that the recommended N application rate (118.5–152.8 kg ha−1 for early rice and 169.9–186.2 kg ha−1 for late rice) can not only maintain a relatively higher rice yield and N utilization but also significantly reduce soil N residue. Our results provide theoretical guidance for improving N management in double-cropping rice fields in southern China. Full article
(This article belongs to the Special Issue Interventions and Management of Rice Cropping Systems)
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15 pages, 723 KiB  
Article
Nitrogen Use Traits of Different Rice for Three Planting Modes in a Rice-Wheat Rotation System
by Zhipeng Xing, Zhicheng Huang, Yu Yao, Dihui Fu, Shuang Cheng, Jinyu Tian and Hongcheng Zhang
Agriculture 2023, 13(1), 77; https://doi.org/10.3390/agriculture13010077 - 27 Dec 2022
Cited by 4 | Viewed by 1693
Abstract
At present, there is a limited understanding of nitrogen (N) accumulation, translocation, and utilization in different types of rice grown using different planting methods in a rice–wheat rotation system. Systematic experiments were conducted with six rice cultivars, including two japonica-indica hybrids (JIHR), two [...] Read more.
At present, there is a limited understanding of nitrogen (N) accumulation, translocation, and utilization in different types of rice grown using different planting methods in a rice–wheat rotation system. Systematic experiments were conducted with six rice cultivars, including two japonica-indica hybrids (JIHR), two japonica conventional rice (JCR) cultivars, and two indica hybrid rice (IHR) cultivars, to study the effects on N use of plants in three transplanting modes: (1) the pothole seedling machine transplanting mode (PM), (2) the carpet seedling machine transplanting mode (CM), and (3) the mechanical direct seeding mode (DM). Results showed that at stem elongation stage, for N content and uptake, the planting methods were ranked in the order PM < CM < DM, and at heading and maturity the order was PM > CM > DM. After stem elongation the rankings for N accumulation, ratio of N accumulation to total N, and N uptake rate were PM > CM >DM. Thus, on the basis of a certain amount of N accumulation in the early growth phase, increasing the N uptake rate and N accumulation in the middle and late growth phases are ways to increase total N uptake for the PM and CM modes compared to DM. In addition, the PM/JIHR treatment had the highest N uptake at maturity. The N contents of leaves, stem-sheaths, and panicles at heading and maturity for the three planting modes were ranked PM > CM > DM. Moreover, the N translocation amount, apparent N translocation rate, and translocation conversion rate of leaves under PM were significantly higher than for CM and DM, which would increase N accumulation in the grain. The N uptake per 100 kg grain and the partial factor productivity of applied N under PM were larger than for CM and DM, but the N use efficiency of grain yield and biomass were smaller for PM than for CM and DM. In conclusion, rice grown using PM, especially JIHR, had higher total N uptake and N utilization compared to the CM and DM modes, and cultivation measures to improve the N use efficiency of grain yield and biomass could be appropriately applied to further improve N use in a rice–wheat rotation system. Full article
(This article belongs to the Special Issue Interventions and Management of Rice Cropping Systems)
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