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All Journal Planta Tropika Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan
Buyana, Nova Tri
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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N Absorption in Nontidal Rice Fields Treated with Microalgae and Nitrogen Fertilizer Application Buyana, Nova Tri; Gofar, Nuni; Rohim, A. Madjid
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 7, No 1 (2019)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2019.089.19-25

Abstract

Nutrient elements that are needed by plants during its growth and development is nitrogen. Nitrogen deficiency can cause plants to become necrosis so that plants are not able to photosynthesize well, thus result in lack of food needed by plants. Microalgae can provide nitrogen for rice crops due to its activity. The aim of this research was to know the effect of microalgae from nontidal swamp land to reduce the use of inorganic N fertilizer in paddy field. The study was conducted from January to April 2017, using factorial completely randomized design with two factors, namely isolate and dosage of nitrogen fertilizer. The first factor is the type of the isolate (I), consisting of cultures from the area of rice cultivation (I1), the culture originating from the area around the rice fields (I2) and the cultures of area without rice cultivation (I3) area. The second factor is the dose of nitrogen fertilizer (N) consisting of 0%, 50% and 100%. The results showed that the treatment of the isolate (I) or dosage of nitrogen fertilizer had a significant effect on the weight of 1000 filled grains and the weight of empty grains in the generative phase of rice plant. The interaction between both treatments had a significant effect on the generative (production) phase. The microalgae culture from area of rice cultivation (I1) can contribute nitrogen requirement of 16.23% - 48.71% with an abundance of 7.48 cells ml-1, with the requirement of rice plant nitrogen fertilizer of 45-135 kg ha-1.
N Absorption in Nontidal Rice Fields Treated with Microalgae and Nitrogen Fertilizer Application Buyana, Nova Tri; Gofar, Nuni; Rohim, A. Madjid
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 7, No 1 (2019)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2019.089.19-25

Abstract

Nutrient elements that are needed by plants during its growth and development is nitrogen. Nitrogen deficiency can cause plants to become necrosis so that plants are not able to photosynthesize well, thus result in lack of food needed by plants. Microalgae can provide nitrogen for rice crops due to its activity. The aim of this research was to know the effect of microalgae from nontidal swamp land to reduce the use of inorganic N fertilizer in paddy field. The study was conducted from January to April 2017, using factorial completely randomized design with two factors, namely isolate and dosage of nitrogen fertilizer. The first factor is the type of the isolate (I), consisting of cultures from the area of rice cultivation (I1), the culture originating from the area around the rice fields (I2) and the cultures of area without rice cultivation (I3) area. The second factor is the dose of nitrogen fertilizer (N) consisting of 0%, 50% and 100%. The results showed that the treatment of the isolate (I) or dosage of nitrogen fertilizer had a significant effect on the weight of 1000 filled grains and the weight of empty grains in the generative phase of rice plant. The interaction between both treatments had a significant effect on the generative (production) phase. The microalgae culture from area of rice cultivation (I1) can contribute nitrogen requirement of 16.23% - 48.71% with an abundance of 7.48 cells ml-1, with the requirement of rice plant nitrogen fertilizer of 45-135 kg ha-1.
PENGARUH PEMBERIAN PUPUK ORGANIK CAIR TERHADAP PERTUMBUHAN DAN HASIL SELADA (Lactuca sativa L. VAR. Crispa) Hanan, Ridwan; Meriyanto; Buyana, Nova Tri; Ladina, Julia Echa
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 22 No 1 (2024): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v22i1.4320

Abstract

The focus of this study was to evaluate the impact of applying liquid organic fertilizer (Eco-Farming) on the growth and yield of lettuce plants. The research location includes the experimental garden land of the Faculty of Agriculture, Tridinanti University, Palembang, located in Pulau Semambu Village, North Indralaya District, Ogan Ilir Regency, South Sumatra Province. The study took place from July to October 2023, using an experimental method with Group Randomized Design (RAK) involving 5 treatments and 5 repeats. In each experimental or mapped unit, there are 80 plants, with a total sample of 3 sample plants analyzed. The tested treatment involved P0 as a control (without liquid organic fertilizer), P1 with 5 ml of Liquid Organic Fertilizer (POC) per liter of water, P2 with 10 ml of POC per liter of water, P3 with 15 ml of POC per liter of water, and P4 with 20 ml of POC per liter of water. Variables observed include plant height (cm), number of leaves (strands), root volume (cm3), wet pruning weight (g), and plant dry weight (g). The results showed that the application of liquid organic fertilizer 'Eco-Farming' had a positive impact on the growth and yield of lettuce plants. In the P4 treatment (20 ml POC/L water), the plant height reached 17.3 cm, with the number of leaves as much as 7.9 strands at the age of 4 weeks, and the weight of wet pruning per plant reached 14.15 g.
Co-Authors Ladina, Julia Echa Meriyanto NUNI GOFAR RIDWAN HANAN Rohim, A. Madjid