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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology AGROMIX

Tamad

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Author-ID : 9205127

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary

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ð—žð—²ð—¿ð—®ð—´ð—®ð—®ð—» ð— ðŸð—©ðŸ ð—¸ð—²ð—»ð˜ð—®ð—»ð—´ ð˜ƒð—®ð—¿ð—¶ð—²ð˜ð—®ð˜€ ð—´ð—¿ð—®ð—»ð—¼ð—¹ð—® ð—µð—®ð˜€ð—¶ð—¹ ð—¶ð—¿ð—®ð—±ð—¶ð—®ð˜€ð—¶ ð˜€ð—¶ð—»ð—®ð—¿ ð—´ð—®ð—ºð—ºð—® ð—±ð—¶ ð—±ð—®ð˜ð—®ð—¿ð—®ð—» ð—ºð—²ð—±ð—¶ð˜‚ð—º Nurchasanah, Siti; Ulinnuha, Zulfa; Tamad; Lestari, Tita Diah
AGROMIX Vol 14 No 2 (2023)
Publisher : Fakultas Pertanian Universitas Yudharta Pasuruan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35891/agx.v14i2.3134

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USE OF BIOLOGICAL ORGANIC FERTILIZERS AND PESTICIDES TO IMPROVE POTATO CULTIVATION IN SLOPE ANDISOLS Tamad; Soetanto, Loekas; Karim, Akhmad Rizqul
BIOTROPIA Vol. 30 No. 2 (2023): BIOTROPIA Vol. 30 No. 2 August 2023
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2023.30.2.1902

In the 1990s, potato yield in the Andisols of Dieng, Central Java, Indonesia, was approximately 30 t ha–1, but this value decreased rapidly to 12–15 t ha–1 in recent years. This rapid decline could be attributed to the use of unbalanced organic and chemical fertilizers, without the application of conservation techniques. Therefore, this study aimed to sustainably improve the local potato cultivation pattern of farmers on Andisols using biological organic fertilizers and pesticides (BOFP). A randomized block design was used with two factors, namely: 1) 20 t BOFP, 300 kg Urea, 500 kg SP 36, 300 kg KCl, and 200 kg lime ha–1, and 2) comparison with the pattern of farmers, consisting of 20 t of chicken manure, 1–t NPK, and 250 kg ZA ha–1. The potato plant mounds were tilted 10% to the contour direction, and each treatment was carried out with 16 replications. Granola seeds were used to plant potato during the rainy season from March-June 2022. The results showed that the plants cultivated using the local pattern of farmers were affected by wilt from Fusarium spp, while the use of BOFP decreased the incidence of the disease by 80%. Furthermore, the BOFP pattern significantly increased Andisols organic-C from 1.78% to 3.83% and total soil P from 5.20% to 11.34%, compared to the pattern of farmers. It also increased potato yields from 12.31 t ha–1 to 22.93 t ha–1 and the R/C from 0.85 to 1.23, compared to the pattern of farmers. Based on the results, the use of BOFP pattern decreased wilt attacks by Fusarium spp, improved the productivity of Andisols, as well as increased potato production and profits of farmers.

Co-Authors Karim, Akhmad Rizqul Lestari, Tita Diah Siti Nurchasanah Soetanto, Loekas Ulinnuha, Zulfa

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