Shabilla Amartiya Sari
Program Study Of Agroecotechnology,Faculty Of Agriculture, Universitas Of Sriwijaya, Indralaya, Ogan Ilir 30662, South Sumatra, Indonesia

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Percentage of Flower and Fruit Fall, and Red Chili Production in Ultisol Applied Biostimulants and Inorganic Fertilizers Shabilla Amartiya Sari; Nuni Gofar
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 12 No. 2 (2023): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.12.2.2023.639

Abstract

Ultisol has main problem of low nutrient availability causing a high percentage of flowers and fruit fall and reducing red chili production. This study aimed to find out effectiveness of biostimulants in reducing percentage of flower and fruit fall, use of inorganic fertilizer doses, and their role in increasing production red pepper in Ultisol. The method used experimental and randomized block design with 9 treatments.  The treatment used application of flush biostimulants and without watering into soil with various doses inorganic fertilizers. The fertilizer doses were 100%, 75%, and 50% based on fertilization recommendations. The study results showed that application of biostimulants combined with inorganic fertilizers of various doses had a significant effect on fruit weight/plant and red pepper production, but had an insignificant effect on the percentage of flowers and  fruits, as well as number of fruits/plant. Application of biostimulants and various doses of inorganic fertilizers tended to increase fall of flowers, number of  fruits/plant, and the percentage of fruit fall. Biostimulants combined  with  inorganic fertilizers were able to reduce fertilizer use as much as 50%.  Production of red pepper with application of biostimulants and 50% of inorganic fertilizers reached 5.36 tons/ha. The results of the economic feasibility analysis of red chili peppers were 1.69 R/C and 0.69 B/C ratio, meaning that the cultivation of red chili with application of  biostimulants was profitable and worthy of development.  So, application of  biostimulants is able to reduce fertilizers by 50% and increase production of red peppers.
Pertumbuhan dan hasil sawi pagoda yang dipupuk dengan berbagai kombinasi sumber kompos dan jenis kompos Shabilla Amartiya Sari; Tri Putri Nur; Nuni - Gofar
Jurnal AGRO Vol 10, No 2 (2023)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/30080

Abstract

Tatsoi is a popular vegetable in the community but has not been widely cultivated in South Sumatra. Compost tea is a type of liquid organic fertilizer that is easy to make and can increase plant growth and production. This study aimed to determine the best combination of source and type of compost to increase the tatsoi growth and yield. The research was conducted on May-August 2023 at the Experimental Garden of Faculty of Agriculture, Sriwijaya University. The research consisted of 2 factors designed in a Randomized Complete Factorial Design. The first factor was the source of compost, namely cow manure, chicken manure, goat manure, vermicompost, and oil palm empty fruit bunch compost. The second factor was the type of compost: solid compost, aerated compost tea 1:5 (b/v), aerated compost tea 1:10 (b/v), non-aerated compost tea 1:5 (b/v), and non-aerated compost tea 1:10 (b/v). Based on the research, the application of various types and sources of compost interacted significantly on the growth and yield of tatsoi, except on the number of leaves and root crown ratio variables. The combination of aerated chicken manure compost tea treatment with a ratio of 1:5 (b:v) was the best treatment in the cultivation of tatsoi in soil of lebak swamp.ABSTRAKSawi pagoda merupakan salah satu sayuran yang populer di masyarakat namun belum banyak dibudidayakan di Sumatera Selatan. Teh kompos adalah jenis pupuk organik cair yang mudah dibuat serta mampu meningkatkan pertumbuhan dan hasil tanaman. Penelitian ini bertujuan untuk mengetahui kombinasi terbaik sumber dan jenis kompos untuk meningkatkan pertumbuhan dan produksi sawi pagoda. Penelitian dilaksanakan pada bulan Mei-Agustus 2023 di Kebun Percobaan FP Universitas Sriwijaya. Penelitian terdiri dari dua faktor dalan Rancangan Acak Lengkap Faktorial (RALF). Faktor pertama adalah sumber kompos yaitu pupuk kandang sapi, pupuk kandang ayam, pupuk kandang kambing, vermikompos, dan kompos tandan kosong kelapa sawit. Faktor kedua adalah jenis kompos yaitu: kompos padat, teh kompos aerasi perbandingan 1:5 (b/v), teh kompos aerasi perbandingan 1:10 (b/v), teh kompos tanpa aerasi perbandingan 1:5 (b/v), dan teh kompos tanpa aerasi perbandingan 1:10 (b/v). Berdasarkan hasil penelitian, aplikasi berbagai jenis dan sumber kompos berinteraksi secara nyata terhadap pertumbuhan dan hasil sawi pagoda, kecuali pada peubah jumlah daun dan nisbah tajuk akar. Kombinasi perlakuan teh kompos kotoran ayam yang diaerasi dengan perbandingan 1:5 (b:v) merupakan perlakuan terbaik dalam budidaya tanaman sawi pagoda pada tanah asal rawa lebak.