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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Anggoro, Ariek Dwi
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Land use efficiency of sweet corn intercropping with different cowpea planting dates Sumarni, Titin; Anggoro, Ariek Dwi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 2 (2024): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v52i2.57193

Abstract

Cultivation of cowpea and sweet corn can optimize land use through an intercropping system, however, the planting date on intercropping is rarely evaluated. The research aimed to evaluate land use efficiency in sweet corn intercropping of different planting dates of cowpea. This research was conducted from January to May 2024 in Bocek Village, Malang, East Java. The study used a randomized complete block design with a single factor consisting of 7 levels, i.e., monoculture sweet corn, and sweet corn intercropping with different cowpea planting dates (0, 7, 14, 21, 28, and 35 days after sweet corn planting (DAP). Plant growth, yield, land equivalent ratio (LER), and area time equivalent ratio (ATER) were evaluated. The results showed that the intercropping sweet corn and cowpea planted at 21 DAP produced a higher yield than other planting dates. The highest LER of 1.96 and ATER of 1.93 was achieved in the sweet corn with cowpea planted at 21 DAP, indicating the highest land use efficiency occurred at the planting date of cowpea 21 days after planting sweet corn. Keywords: ATER; cropping system; LER; planting time; Vigna unguiculata; Zea mays
Growth and yield of sweet corn intercropping with caisim of different plant densities and planting times Sumarni, Titin; Nabil, Naufal Ammar; Anggoro, Ariek Dwi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 1 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i1.60434

Abstract

Intercropping of sweet corn and caisim is an effort to improve land efficiency. The study aimed to determine the land use optimization of intercropping between sweet corn and caisim from different plant densities and planting times. Research was carried out from May to July 2024, in Bocek Village, Malang, East Java. The study used a randomized complete block design with a single factor consisting of 7 treatments, i.e., monoculture sweet corn, and sweet corn + caisim (1 and 2 rows) planted 7 days before, at the same time, and 7 days after planting corn. Results showed that all intercropping treatments resulted in R/C ratio and LER values > 1, with the highest values observed of sweet corn + caisim of 1 row planting at the same time. The R/C ratio was 1.22 and the LER was 1.35, indicating that land use was optimized without causing a decline in growth or production for either crop. Keywords: cropping system, LER, number of rows, R/C ratio, Zea mays
Total glucosinolate content of arugula (Eruca sativa Mill.) supplemented with rhizobacteria-enriched bio-slurry Anggoro, Ariek Dwi; Abdillah, Muhammad Wildan; Mullatif, Ikhwan Adhirakha; Widyaningrum, Regita Pramesti; Jihan, Kashifa Maria
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 1 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i1.62496

Abstract

Arugula is a member of Brassicaceae that has a high antioxidant content of glucosinolate. Bio-slurry is a kind of liquid fertilizer derived from sap of cow dung. Bio-slurry in combination with rhizobacterial can maximize decomposition and make nutrients more available. The research aimed to determine the total glucosinolate content in arugula due to the application of bio-slurry enriched with rhizobacteria. The study used a randomized complete block design with a single factor consisting of 9 levels, i.e., the combination of 3 types of rhizobacteria (Pseudomonas, Bacillus, Pseudomonas + Bacillus) and 3 doses of bio-slurry (0, 100, and 200 mL). The results showed that the application of Pseudomonas & Bacillus + 200 mL bio-slurry produced a higher antioxidant content than other inputs. The combination of bio-slurry fertilizer with rhizobacterial provides a higher ability than control to increase plant growth rates and the biosynthesis of glucosinolate. The optimal substitution for maximizing nutrient uptake in arugula growth was achieved with a bio-slurry dose of 200 mL, where the combined application of Pseudomonas and Bacillus strains enhanced plant growth and glucosinolate content. Keywords: antioxidant capacity; Bacillus; bacterial; biofertilizer; Pseudomonas
Co-Authors Abdillah, Muhammad Wildan Jihan, Kashifa Maria Mullatif, Ikhwan Adhirakha Nabil, Naufal Ammar Titin Sumarni Widyaningrum, Regita Pramesti