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All Journal E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology)
I DEWA MADE ARTHAGAMA
Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana, Jl. PB. Sudirman Denpasar 80231 Bali
Agriculture, Biological Sciences & Forestry

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Evaluasi Status Kesuburan Tanah Sawah Berbasis Sistem Informasi Geografis di Kecamatan Negara Kabupaten Jembrana PEDRO BARUS; I DEWA MADE ARTHAGAMA; I MADE MEGA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.3, Juli 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Evaluation of Rice Field Fertility Status Based on Geographical Information System in Negara District, Jembrana Regency Lowland rice production at Negara District in 2014 was 6.89 tons/ha and in 2015 decreased to 6.67 tons/ha. This is thought to be due to the reduced ability of the land to support the agricultural production process. The purpose of this study was to determine the status of soil fertility and the parameters of the limiting factors of soil fertility, to make a map of the status of soil fertility, and to provide direction for the management of soil fertility. This research was conducted from December 2021 – March 2022. The methods used in this study included survey and soil test methods with parameters of fertility status including: CEC; BS; organic C; total P and total K. The results showed two soil fertility statuses in the study area, namely low in HLU I (Pengembengan Village, West Tegal Badeng, East Badeng Tegal, Baluk, Banyubiru, Kaliakah, Lelateng, Bale Agung Baler) and HLU II (Pengambengan Village, East Tegal Badeng, Banyubiru, Lelateng) and moderate soil fertility in HLU III (Kaliakah Village, Berangbang, Bale Agung Baler) and HLU IV (Kaliakah Village, Berangbang, Bale Agung Village). The limiting factors for soil fertility status were CEC and moderate K2O content and low organic C content. The direction of soil fertility management is the addition of organic matter and K fertilizer to improve soil fertility status.
Pengaruh Jenis Pupuk Kandang dan Dosis Pupuk Organik Cair dari Limbah Batang Pisang terhadap Sifat Kimia Tanah dan Hasil Bayam Hijau (Amaranthus hybridus L.) YEMIMA INDRI YANI BR BARUS; NI NENGAH SONIARI; I DEWA MADE ARTHAGAMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.3, Juli 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Effect of Manure Type and Dosage of Liquid Organic Fertilizer from Banana Stem Waste on Soil Chemical Properties and Yield of Green Spinach (Amaranthus hybridus L.) Organic fertilizers can improve the physical, chemical and biological properties of soil because they contain macro and micro nutrients that are useful for plants. This aims of the study to determine the interaction and effect of type of manure and dosage of Liquid Organic Fertilizer (POC) on soil chemical properties and yield of green spinach which was carried out from July 2021 to November 2021 in Sukadame Village, Tigapanah District, Karo Regency, North Sumatra Province. Banana tree trunks are useful for fertilizing plants, and contain very high phosphorus nutrients. The experimental design used in this study was a completely randomized design (CRD) with a factorial pattern consisting of 2 factors, namely the type of manure and the dose of liquid organic fertilizer with, A0: no manure, A1: goat manure, A2: chicken manure, A3 : cow manure, while the doses of liquid organic fertilizer are B0 : without liquid organic fertilizer, B1 : 0.75 liters of liquid organic fertilizer, B2 : 1.50 liters of liquid organic fertilizer and B3 : 2.25 liters of liquid organic fertilizer and repeated 3 times so that it becomes 48 units of experimental pot. The interaction between the type of manure and the dose of liquid organic fertilizer had a very significant effect on organic C, available K and available P content. The best manure is chicken manure with soil pH (6.40), soil moisture content (16.45%) and total N content (0.66%). The best change in soil chemical properties was treatment with a dose of liquid organic fertilizer at a dose of 0.75 liters, with soil pH (6.40), soil moisture content (17.29%) and total N content (0.67%), and for influence. the yield is at a dose of 0.75 liters of liquid organic fertilizer with a fresh plant weight of 10.83g.
Evaluasi Status Kesuburan Tanah Sawah Berbasis Sistem Informasi Geografis di Kecamatan Negara Kabupaten Jembrana PEDRO BARUS; I DEWA MADE ARTHAGAMA; I MADE MEGA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.4, Oktober 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Evaluation of Rice Field Fertility Status Based on Geographical Information System in Negara District, Jembrana Regency Lowland rice production at Negara District in 2014 was 6.89 tons/ha and in 2015 decreased to 6.67 tons/ha. This is thought to be due to the reduced ability of the land to support the agricultural production process. The purpose of this study was to determine the status of soil fertility and the parameters of the limiting factors of soil fertility, to make a map of the status of soil fertility, and to provide direction for the management of soil fertility. This research was conducted from December 2021 – March 2022. The methods used in this study included survey and soil test methods with parameters of fertility status including CEC; BS; organic C; total P and total K. The results showed two soil fertility statuses in the study area, namely low in HLU I (Pengembengan Village, West Tegal Badeng, East Badeng Tegal, Baluk, Banyubiru, Kaliakah, Lelateng, Bale Agung Baler) and HLU II (Pengambengan Village, East Tegal Badeng, Banyubiru, Lelateng) and moderate soil fertility in HLU III (Kaliakah Village, Berangbang, Bale Agung Baler) and HLU IV (Kaliakah Village, Berangbang, Bale Agung Village). The limiting factors for soil fertility status were CEC and moderate K2O content and low organic C content. The direction of soil fertility management is the addition of organic matter and K fertilizer to improve soil fertility status.
Co-Authors I Made Mega Ni Nengah Soniari PEDRO BARUS YEMIMA INDRI YANI BR BARUS