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All Journal Jurnal Ilmu Pertanian Indonesia Kultivasi Asian Journal of Agriculture
Irwandhi, Irwandhi
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Agriculture, Biological Sciences & Forestry

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Current status and the significance of local wisdom biofertilizer in enhancing soil health and crop productivity for sustainable agriculture: A systematic literature review Irwandhi, Irwandhi; Khumairah, Fiqriah Hanum; Sofyan, Emma Trinurani; Kamaluddin, Nadia Nuraniya; Nurbaity, Anne; Herdiyantoro, Diyan; Simarmata, Tualar
Kultivasi Vol 23, No 3 (2024): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v23i3.56018

Abstract

Soil fertility is recognized as a crucial factor in supporting plant growth and productivity. The utilization of biofertilizers as environmentally friendly fertilizers is aimed at enhancing soil fertility and plant productivity. This study aims to explore the potential of local material for developing local wisdom biofertilizers (LWB) for achieving sustainable agriculture. A systematic literature review was conducted using bibliometric analysis, Preferred Reporting Items for Systematic Reviews, and Meta-Analyses (PRISMA) method, employing the Scopus search engine with the keywords "local AND wisdom AND biofertilizer" OR "biofertilizer" OR "local AND microorganism" OR "soil AND health OR crop AND productivity OR sustainable agriculture". The search yielded 704 articles, of which 11 were deemed eligible after selection. Based on the literature review, it was found that there are local materials, including fish waste, seaweed, Azolla, fruit waste, Moringa oleifera, microalga, bamboo roots, banana hump, golden snail, mangrove leaves, fruit, and vegetable waste that can be used as raw materials for LWB to improve soil health, plant growth, and productivity. The development of LWB as a new fertilizer technology faces challenges such as lack of regulations, low public trust, limited farmer awareness, weak promotion, and raw material shortages. Further research is needed to intensively study and enhance the effectiveness of LWB through enrichment using beneficial microorganisms.
Combination Effect of NK and P Fertilizers on Soil Available-K, K Absorption, and Sweet Corn Productivity in Inceptisols Emma Trinurani Sofyan; Muhammad Amir Solihin; Oviyanti Mulyani; Annisya Salsabilla; Asty Nesya; Irwandhi, Irwandhi
Jurnal Ilmu Pertanian Indonesia Vol. 30 No. 1 (2025): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.30.1.187

Abstract

One factor affecting sweet corn's (Zea mays saccharata Sturt.) productivity refers to soil fertility and proper fertilization. This study aimed to determine the optimal combination of NK and P fertilizer doses to enhance the growth and yield of corn grown on Inceptisols. This research was conducted at the Soil Chemistry and Plant Nutrition Experimental Field, Faculty of Agriculture, Universitas Padjadjaran. The Randomized Block Design consisted of 10 treatments with three replicates each. The treatments included: A, control; B, standard NPK; C, ¼ dose NK + 1 P + ½ N; D, ½ dose NK + 1 P + ½ N; E, ¾ dose NK + 1 P + ½ N; F, 1 dose NK + 1 P + ½ N; G, 1¼ dose NK + 1 P; H, 1 dose NK; I, ½ dose NK + ½ single N,P,K; and J, ¾ dose NK + ¼ single N,P,K. The results showed that the combination of NK and P fertilizers significantly affected the growth and yield of sweet corn. The treatment with ¾ NK + 1 P + ½ N had a notable impact on cob weight (0.33 kg/cob), cob diameter (5.05 cm), and cob length (21.2 cm). This treatment also increased K absorption to 34.49, available soil K to 2.45 cmol kg-1, and the sweetness level of corn to 13.56%. This study provides new recommendations for corn fertilization to improve the growth and yield on Inceptisols. Keywords: optimal fertilizer dosage, corn growth, corn productivity, nutrient uptake
Biocontrol and growth-promoting potential of endophytic Bacillus subtilis NPA6 against shallot pathogens under sub-optimal land conditions PRIHATININGSIH, NUR; LESTARI, PUJI; ILHAMI, ZIYADAH MA’RIFATUL; DJATMIKO, HERU ADI; IRWANDHI, IRWANDHI
Asian Journal of Agriculture Vol. 9 No. 2 (2025)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/asianjagric/g090227

Abstract

Abstract. Prihatiningsih N, Lestari P, Ilhami ZM, Djatmiko HA, Irwandhi. 2025. Biocontrol and growth-promoting potential of endophytic Bacillus subtilis NPA6 against shallot pathogens under sub-optimal land conditions. Asian J Agric 9: 607-614. Endophytic Bacillus subtilis NPA6, isolated from rice roots on suboptimal land, has potential as an eco-friendly biocontrol agent for shallot diseases. This study developed liquid biopesticide formulations using coconut water and rice washing water as local carriers, characterized their chemical composition, and tested their effects on shallot disease resistance and growth. A randomized block design with four treatments (control, coconut water formula with NPA6, rice washing water formula with NPA6, and Propineb fungicide) and six replications was used. The coconut water formula contained higher N (0.68%) and Zn (0.36 mg L-1), while the rice washing water formula had higher P (0.74%), K (0.52%), and Cu (0.10 mg L-1). Both formulations reduced disease intensity by 34-36%, comparable to chemical fungicides, although growth and yield parameters were not significantly improved. Correlation analysis revealed a negative relationship between disease intensity and plant height, indicating that disease suppression indirectly contributes to growth maintenance. The novelty of this study lies in utilizing locally available carriers to enhance the performance of B. subtilis NPA6, demonstrating its potential for sustainable shallot cultivation on suboptimal land. Further research should optimize carrier combinations to strengthen both biocontrol and growth-promoting functions.
Co-Authors Anne Nurbaity Annisya Salsabilla Asty Nesya Diyan Herdiyantoro Emma Trinurani Sofyan Heru Adi Djatmiko ILHAMI, ZIYADAH MA’RIFATUL Khumairah, Fiqriah Hanum Muhammad Amir Solihin Nadia Nuraniya Kamaluddin Nur Prihatiningsih Oviyanti Mulyani PUJI LESTARI Tualar Simarmata