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Optimizing crop quality and yield: Assessing the impact of integrated potassium management on Chinese cabbage (Brassica rapa L. subsp. chinensis).
Choudhary, Mahendra; Kumar, Sourabh; Onte, Santosh; Meena, Vijendra Kumar; Malakar, Dhruba; Garg, Kamal; Kumar, Sanjeev; Rajawat, Mahendra Vikram Singh; Awasthi, Mukesh Kumar; Giri, Balendu Shekher; Jaiswal, Durgesh Kumar; Dhar, Shiva; Azman, Elisa Azura; Kochewad, Sanjivkumar Angadrao.
Afiliación
  • Choudhary M; Department of Agronomy, College of Agriculture, G. B. Pant University of Agriculture and Technology, Pantnagar, Udham Singh Nagar, Uttarakhand, 263145, India.
  • Kumar S; Veer Kunwar Singh College of Agriculture, Dumaraon, Buxar, 802136, Bihar, India.
  • Onte S; Centre for Water Resources Development and Management (CWRDM), Calicut, 673571, India.
  • Meena VK; ICAR-National Dairy Research Institute, Karnal, Haryana, India.
  • Malakar D; ICAR-National Dairy Research Institute, Karnal, Haryana, India.
  • Garg K; ICAR-National Dairy Research Institute, Karnal, Haryana, India.
  • Kumar S; ICAR-National Dairy Research Institute, Karnal, Haryana, India.
  • Rajawat MVS; Dhanuka Agritech Limited, Dhanuka Agritech Research and Technology Center, Palwal-Aligargh Road, Sihol, 121102, Haryana, India.
  • Awasthi MK; College of Natural Resources and Environment, Northwest A&F University, Taicheng Road 3 Yangling, Shaanxi, 712100, China.
  • Giri BS; Sustainability Cluster, University of Petroleum and Energy Studies (UPES), Dehradun, Uttarakhand, 248007, India.
  • Jaiswal DK; Department of Biotechnology, Graphic Era (Deemed to be University), Dehradun, 248002, Uttarakhand, India.
  • Dhar S; ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India.
  • Azman EA; Faculty of Agriculture, Department of Crop Science, Universiti Putra Malaysia, Serdang, 43400, Malaysia.
  • Kochewad SA; ICAR-National Institute of Abiotic Stress Management, Baramati, 413115Maharashtra, India.
Heliyon ; 10(17): e36208, 2024 Sep 15.
Article en En | MEDLINE | ID: mdl-39263071
ABSTRACT
Potassium, a pivotal macronutrient essential for growth, development, and crop yield, serves as a critical determinant of soil productivity. Its depletion disrupts the equilibrium of soil nutrients, prompting an investigation into integrated potassium management strategies to address this challenge. A field experiment was conducted during the winter season of 2020 using a randomized complete block design, with eight treatments, each replicated three times in Chinese cabbage (Brassica rapa L. subsp. chinensis). These treatments comprised standard (100 %) and reduced (75 % and 50 %) rates of the recommended dose of potassium (RDK) via muriate of potash (MOP). Variations in the inclusion and exclusion of plant growth-promoting rhizobacteria (PGPR), farmyard manure (FYM) as 25 % of the potassium recommendation, and foliar spray of nano potash were systematically implemented. Findings unequivocally demonstrated that the treatmentT8, involving 100 % RDK +25 % K through FYM + PGPR + nano K fertilizer spray at 25 and 40 DAS, yielded significant improvements in both green fodder (64.0 t ha-1) and dry fodder (7.87 t ha-1).Moreover, T8 exhibited the highest values for total ash (8.75 %), total ash yield (68.9 ± 2.88 kg ha-1), ether extract (2.85 %), ether extract yield (22.4 ± 0.88 kg ha-1), crude protein (9.71 %), and total crude protein yield (76.4 ± 3.21 kg ha-1). Conversely, a marked reduction was observed in various fiber components and carbohydrate fractions upon application of the T8 treatment. The lowest values of yield, crude protein content, total ash ether extract were recorded in treatment T1 (control) applied with no potassium. This investigation underscores the inadequacy of the recommended potassium dose in achieving optimal productivity, necessitating a re-evaluation of potassium fertilization levels. The integrated approach involving FYM, PGPR, and nano potash, coupled with the recommended potassium dose through MOP, emerges as a promising avenue for augmenting both yield and quality parameters in Chinese cabbage.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Heliyon Año: 2024 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Heliyon Año: 2024 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido