Ruli Joko Purwanto
Fakultas Pertanian Universitas IBA

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PERTUMBUHAN DAN PRODUKSI JAGUNG MANIS (Zea mays saccharata Sturt) DENGAN PEMBERIAN BERBAGAI JENIS PUPUK ORGANIK Purwanto, Ruli Joko; Syafrullah, Syafrullah; Astuti, Dessy Tri; Safrudin, Adi
Klorofil: Jurnal Penelitian Ilmu-Ilmu Pertanian Vol 16, No 1 (2021): Klorofil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jk.v16i1.4037

Abstract

The use of organic fertilizers on plants is not only useful for increasing soil fertility while increasing plant growth and productivity, organic fertilizers also have relatively cheap prices.  This research aims to determine the right type of organic fertilizer on the growth and production of sweet corn (Zea mays saccharata Sturt).The research was conducted from May to July 2019 in Srimenanti Village, Tanjung LagoSub District, Banyuasin District, South Sumatra Province.The research method used a completely block randomized design (CBRD) with 5 treatments and 5 replications. The results of the analysis of diversity showed that the treatment of the type of organic fertilizer had a very significant effect on the number of leaves, but had no significant effect on the other observed variables.  Baraplus organic fertilizer provides the highest number of leaves.
Tanggap Tanaman Jagung terhadap Aplikasi POC Urin Sapi dan Pupuk Anorganik di Lahan Pasang Surut Tipe Luapan C Ruli Joko Purwanto; Karlin Agustina; Yursida Yursida
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 2 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (254.141 KB) | DOI: 10.33230/JLSO.3.2.2014.118

Abstract

The research was conducted in the village of Banyu Urip at Banyuasin district from March to June 2013. This study aimed to examine the effect of organic manure of fermented cow urine (liquid organic fertilizer/ POC) and combined with different doses of inorganic fertilizer on the growth and yield of corn land in the tidal area overflow type C. This study uses a randomized block design consisting of 5 treatment was repeated 5 times. Each treatment unit with a plot size of 1.5 m x 10 m. Treatment in this study are as follows: J0 = 100% recommended dose of inorganic fertilizer without POC cow urine; J1 = 75% recommended dose of inorganic fertilizer + POC cow urine; J2 = 50% recommended dose of inorganic fertilizer + POC cow urine; J3 = 25% recommended dose of inorganic fertilizer + POC cow urine, and J4 = 100 % POC cow urine without inorganic fertilizers. The results of fertilizer application treatments using organic and inorganic fertilizers on maize showed significant effect on all observed variables. Further test results show that the inorganic fertilizer treatment J2 = 50% of the recommended dose of cow urine + POC gives the highest yield for plant height (162.22 cm), number of leaves, corn with cornhusk weight (187.70 g), the weight of the corn without cornhusk (177.54 g), dry shelled weight (139.05 g), weight of 100 grains (30.87 g) and the number of seed rows per ear (16.60), as well as significantly different to the other treatments.
Tanggap Tanaman Jagung terhadap Aplikasi POC Urin Sapi dan Pupuk Anorganik di Lahan Pasang Surut Tipe Luapan C Ruli Joko Purwanto; Karlin Agustina; Yursida Yursida
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 2 (2014)
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.3.2.2014.118

Abstract

The research was conducted in the village of Banyu Urip at Banyuasin district from March to June 2013. This study aimed to examine the effect of organic manure of fermented cow urine (liquid organic fertilizer/ POC) and combined with different doses of inorganic fertilizer on the growth and yield of corn land in the tidal area overflow type C. This study uses a randomized block design consisting of 5 treatment was repeated 5 times. Each treatment unit with a plot size of 1.5 m x 10 m. Treatment in this study are as follows: J0 = 100% recommended dose of inorganic fertilizer without POC cow urine; J1 = 75% recommended dose of inorganic fertilizer + POC cow urine; J2 = 50% recommended dose of inorganic fertilizer + POC cow urine; J3 = 25% recommended dose of inorganic fertilizer + POC cow urine, and J4 = 100 % POC cow urine without inorganic fertilizers. The results of fertilizer application treatments using organic and inorganic fertilizers on maize showed significant effect on all observed variables. Further test results show that the inorganic fertilizer treatment J2 = 50% of the recommended dose of cow urine + POC gives the highest yield for plant height (162.22 cm), number of leaves, corn with cornhusk weight (187.70 g), the weight of the corn without cornhusk (177.54 g), dry shelled weight (139.05 g), weight of 100 grains (30.87 g) and the number of seed rows per ear (16.60), as well as significantly different to the other treatments.
PERTUMBUHAN DAN PRODUKSI GENOTIPE CABAI BESAR DENGAN PEMBERIAN PUPUK DI LAHAN PASANG SURUT Billy Hadi Wijaya; Ummi Kalsum kalsum; Ruli Joko Purwanto; Karlin Agustina; Evriani Mareza; Yursida; Arifin
Fruitset Sains : Jurnal Pertanian Agroteknologi Vol. 10 No. 05 (2022): Desember: Ilmu Pertanian
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Rendahnya produktivitas cabai di Indonesia berkaitan dengan sedikitnya varietas berdaya hasil tinggi. Varietas bermutu mempunyai sifat keunggulan yang dapat menghasilkan buah yang berproduksi tinggi dan respons terhadap pemupukan. Penelitian ini bertujuan untuk mengetahui pertumbuhan dan produksi lima genotipe cabai besar dengan pemberian beberapa jenis pupuk di lahan pasang surut. Penelitian menggunakan Rancangan Acak Kelompok (RAK) secara faktorial dengan lima genotipe cabai besar dan 4 perlakuan pupuk yang berbeda, dengan 3 ulangan. Pengaruh genotipe terhadap peubah tinggi tanaman, tinggi dikotom cabai besar ditunjukkan pada B1. Pengaruh genotipe terhadap peubah panjang buah ditunjukkan pada B8. Pengaruh genotipe terhadap peubah diameter buah ditunjukkan pada B6. Pengaruh genotipe terhadap peubah bobot per 10 buah ditunjukkan pada B10. Pengaruh pupuk terhadap peubah umur mulai berbunga ditunjukkan pada P4.Pengaruh pupuk terhadap peubah bobot buah per tanaman, produktivitas  ditunjukkan pada P2.Pengaruh pupuk terhadap peubah bobot 1000 biji per tanaman  ditunjukkan pada P1 dan P2. Sedangkan pengaruh interaksi terhadap peubah diameter buah ditunjukkan pada B6P4. Pengaruh interaksi terhadap bobot buah per tanaman ditunjukkan pada B8P3. Berdasarkan penelitian kelima genotipe cabai besar tersebut mempunyai daya adaptif yang baik ditanam lahan pasang pasang surut.