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Multi-objective integrated cotton cultivation (MOICC): A synergistic framework for sustainable production
Yanjun Zhang, Jianlong Dai, Hezhong Dong
2026, 25 (4): 1316-1329.   DOI: 10.1016/j.jia.2025.12.024
Abstract69)      PDF in ScienceDirect      

Global cotton production faces mounting pressure to reconcile rising fiber demand with urgent sustainability imperatives, including water scarcity mitigation, greenhouse gas reduction, and agrochemical pollution control.  Traditional practices, constrained by fragmented objectives and inherent trade-offs among yield, fiber quality, labor efficiency, and ecological impact, struggle to address these systemic challenges.  Building upon previous concept of collaborative cultivation, this review for the first time introduces and comprehensively elaborates multi-objective integrated cotton cultivation (MOICC)  - also referred to as integrated cotton cultivation (ICC) - a transformative framework centered on three pillars: dynamic trade-off management (e.g., region-specific priority adjustment), systematic technology integration (precision seeding, dense planting, chemical regulation, water-nutrient synergy, and targeted defoliation), and resource circularity (spatiotemporal optimization and waste recycling).  MOICC overcomes sustainability bottlenecks by leveraging key physiological mechanisms, including ethylene signaling to enhance stress-resilient seedling establishment, jasmonate-mediated pathways to improve water/nutrient efficiency, canopy light competition coupled with hormonal regulation to eliminate manual pruning, and growth regulators to concentrate boll maturation.  Case studies from diverse Chinese agro-ecosystems (e.g., Xinjiang, Yangtze/Yellow River basins) and intercropping systems demonstrate significant synergies: increased yield (8–22%), improved resource efficiency (water use efficiency increased by ≥20%, and nitrogen productivity up to 35 kg kg–1), and enhanced environmental performance (labor reduction of 30–40%, carbon footprint reduction of 24–37%, and agrochemical savings: nitrogen reduction of 15–20% and pesticides reduction of 25%).  Crucially, MOICC resolves core conflicts through integrated optimization: yield vs. quality (via ≥70% inner-position bolls), labor-saving vs. eco-safety (precision defoliant timing), and productivity vs. emissions (root-zone nitrogen monitoring).  Future research priorities include deciphering multi-scale stress adaptation, developing intelligent decision-support systems (e.g., AHP-NSGA-II integration), advancing carbon-neutral value chains, addressing socio-economic adoption barriers, and fostering policy synergy.  Overall, MOICC establishes a conceptually globally scalable pathway toward high-yield, superior-quality, resource-efficient, and ecologically sustainable cotton production, with potential applicability to other major cropping systems.

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Optimizing crop yields while minimizing environmental impact through deep placement of nitrogen fertilizer
Lingxiao Zhu, Hongchun Sun, Liantao Liu, Ke Zhang, Yongjiang Zhang, Anchang Li, Zhiying Bai, Guiyan Wang, Xiaoqing Liu, Hezhong Dong, Cundong Li
2025, 24 (1): 36-60.   DOI: 10.1016/j.jia.2024.05.012
Abstract306)      PDF in ScienceDirect      
Nitrogen (N) serves as an essential nutrient for yield formation across diverse crop types.  However, agricultural production encounters numerous challenges, notably high N fertilizer rates coupled with low N use efficiency and serious environmental pollution.  Deep placement of nitrogen fertilizer (DPNF) is an agronomic measure that shows promise in addressing these issues.  This review aims to offer a comprehensive understanding of DPNF, beginning with a succinct overview of its development and methodologies for implementation.  Subsequently, the optimal fertilization depth and influencing factors for different crops are analyzed and discussed.  Additionally, it investigates the regulation and mechanism underlying the DPNF on crop development, yield, N use efficiency and greenhouse gas emissions.  Finally, the review delineates the limitations and challenges of this technology and provides suggestions for its improvement and application.  This review provides valuable insight and reference for the promotion and adoption of DPNF in agricultural practice.
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