Effect of Dormancy Treatment on Germination of Arabica Coffee  ( Coffea arabica L.)

Sitanggang, Antonio Razzoli S; Irmansyah, T.; Irsal, Irsal

doi:10.32734/joa.v9i3.8608

Cited by 3 publications

(3 citation statements)

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“…if given in excessive amounts will inhibit plant growth. In line with other research results [8] that the application of NPK fertiliser 2.25 g / seedling showed better growth in oil palm seedlings.…”

Section: Discussionsupporting

confidence: 91%

Effect of cow urine concentration and NPK fertilizer doses on the growth of oil palm seedlings (Elaeis guineensis Jacq)

Jamidi,

Zuliati,

Wirda

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Application of anorganic fertilizers can be reduced by using organic fertilizers such as cow biourine. This study aimed to see the combination of cow biourine and anorganic fertilizers (NPK fertilizer) on the growth of oil palm seedlings. Research was conducted at East Reuleut Village, Muara Batu District, and Agriculture Laboratory of Malikussaleh University on April to June 2021 using factorial Randomized Block Design. Concentration of cow biourine consisting 4 levels : control (U0), 50 cc/L (U1), 75 cc/L (U2), and 100 cc/L (U3). Doses of NPK fertilizer consisting 3 levels, control (N0), 2 g/polybag (N1), and 3 g/polybag (N2), each treatment replicated 3 times. Results showed the interaction between application of cow biourine concentration and NPK fertilizer doses increase plant height on 9 WAP, and number of leave on 11 WAP of oil palm seedlings. Single-dose cow biourine increases plant height growth, stem diameter, chlorophyll content, fresh weight and dry weight of oil palm seedlings. NPK fertilizer separately increases plant height growth, leaf chlorophyll of oil palm seedlings. Interaction between 100 cc/liter of cow biourine concentration + 2 grams/polybag of NPK fertilizer dose was the best combination.

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Section: Discussionsupporting

confidence: 91%

Effect of cow urine concentration and NPK fertilizer doses on the growth of oil palm seedlings (Elaeis guineensis Jacq)

Jamidi,

Zuliati,

Wirda

2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…Linda and Mukarlina [22] reported that coconut water at a concentration of 20% enhanced the shoot's emergence and shoot growth. Sitorus et al [23] observed that the treatment of young coconut water enhanced the growth of dragon fruit cuttings. The analysis showed that the growing medium only had a significant effect on dry root weight and had no significant effect on other variables (Tables 1 and 3).…”

Section: The Effect Of Immersion Period On the Growth Of Tea Cuttingsmentioning

confidence: 99%

Effect of growing media and natural plant growth regulators on the growth of tea stem cutting

2023

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Cuttings may generate plants with the same characteristics as the parent. However, there are issues with root formation and shoot development. Coconut water may function as a natural growth regulator due to auxin, which stimulates root and shoot development. The condition of the growing media, in addition to growth regulators, influences the development of plant cuttings. This study aims to determine the immersion time of tea stem cuttings into coconut water and the composition of the growing media for the growth of tea stem cuttings. This research was conducted from February to June 2019 at Sarana Mandiri Mukti, Tangsi Baru Village, Kabawetan District, Kepahiang Regency, Bengkulu Province, Indonesia, at an altitude of 1000 meters above sea level. The study was conducted using a completely randomized design (CRD) with two factors. The first factor was the immersion time of coconut water, namely 2, 4, 6, 8, and 10 hours. The second factor was the growing media, which consisted of 1000 g soil (Control), 750 g soil + 250 g cow dung, 750 g soil + 250 g chicken manure, and 750 g soil + 250 g goat manure. The findings revealed that 5 hours 53 minutes of immersion in coconut water on a mixed medium of 750 g soil + 250 g cow dung resulted in the longest root being 13.73 cm. The duration of immersion in coconut water influenced the shoot and root length of tea stem cuttings, whereas the growing medium influenced the dry weight of the roots.

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“…Hasil penelitian Samanhudi, et al (2021) menunjukkan bahwa rerata panjang akar sorgum varietas Numbu nyata lebih tinggi (13,86 cm) dibandingkan dengan varietas Kawali (9,13 cm) dan varietas Sweet (8,73 cm). Selanjutnya dari sisi bobot akar, berdasarkan hasil penelitian Munthe, et al (2013), varietas Numbu memiliki bobot akar yang nyata lebih tinggi (165,56 g) dibandingkan dengan varietas Kawali (100,44 g) dan varietas Sangkur (114,00 g). Kondisi perakaran varietas Numbu dengan panjang dan bobot akar yang nyata lebih tinggi dibandingkan dengan varietas Kawali menyebabkan varietas Numbu memiliki kapasitas infiltrasi yang nyata lebih tinggi dibandingkan dengan varietas Kawali.…”

Section: Hasil Dan Pembahasan Kurva Infiltrasi Dengan Model Horton Ha...unclassified

Peningkatan Peresapan Air ke Dalam Tanah Melalui Aplikasi Pupuk Organik Sekam Padi pada Pertanaman Sorgum (Sorghum bicolor, L.)

Nurmi,

Bahri,

Azis

et al. 2023

JPPT

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ABSTRAK Penelitian ini bertujuan untuk mengetahui pengaruh pupuk organk sekam padi terhadap peningkatan peresapan air ke dalam tanah dan korelasinya dengan hasil tanaman sorgum. Penggunaan pupuk organik sekam padi, disamping untuk memperbaiki peresapan air ke dalam tanah, juga untuk mengurangi limbah sekam padi yang produksinya cukup tinggi, khususnya di daerah Gorontalo. Metode penelitian menggunakan Rancangan Acak Kelompok Faktorial 2 faktor (RAK-Faktorial). Faktor pertama adalah Varietas sorgum yang terdiri dari 2 taraf, yaitu V1 = Varietas Numbu, dan V2 = Varietas Kawali. Faktor kedua adalah dosis pupuk organik sekam padi yang terdiri dari 3 taraf, yaitu P0 = tanpa aplikasi pupuk organik (kontrol), P1 = pemberian pupuk organik 25 ton.ha-1, P2 = pemberian pupuk organik 50 ton.ha-1. Pada akhir percobaan dilakukan pengukuran sifat fisik tanah, yaitu Infiltrasi menggunakan double ring infiltrometer, dan pengukuran hasil tanaman sorgum. Analisis data dilakukan dengan sidik ragam dan nilai tengah antar perlakuan diuji menggunakan BNJ (Beda Nyata Jujur) pada tingkat ketelitian 5%. Analisis korelasi dilakukan untuk melihat hubungan dosis pupuk organik dengan infiltrasi konstan dan hubungan antara infiltrasi konstan dengan berat biji perhektar. Data infiltrasi dari pengukuran lapangan dilakukan pemodelan menggunakan persamaan Horton dengan rumus f = fc + (fo – fc) e-kt untuk membuat kurva infiltrasi. Hasil pemodelan infiltrasi berdasarkan model Horton terlihat pada kurva infiltrasi yang menunjukkan bahwa perlakuan perlakuan pupuk organik sekam padi 50 ton ha-1 memiliki garis kurva yang lebih tinggi dibandingkan dengan 25 ton ha-1 dan kontrol. Hasil analisis statistik dengan uji BNJ 5% terhadap infiltrasi konstan menunjukkan bahwa perlakukan pupuk organik sekam padi 50 ton ha-1 dan 25 ton ha-1 memiliki kapasitas infiltrasi yang tidak berbeda nyata, namun nyata lebih tinggi dibandingkan dengan kontrol. Terdapat korelasi positif yang sangat kuat antara dosis Pupuk organik dengan infiltrasi konstan dan antara infiltrasi konstan dengan berat biji perhektar. Kata Kunci: Bulk Density; Infiltrasi; Pupuk Organik; Sekam Padi; Sorgum

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Effect of Dormancy Treatment on Germination of Arabica Coffee ( Coffea arabica L.)

Cited by 3 publications

References 0 publications

Effect of cow urine concentration and NPK fertilizer doses on the growth of oil palm seedlings (Elaeis guineensis Jacq)

Effect of cow urine concentration and NPK fertilizer doses on the growth of oil palm seedlings (Elaeis guineensis Jacq)

Effect of growing media and natural plant growth regulators on the growth of tea stem cutting

Peningkatan Peresapan Air ke Dalam Tanah Melalui Aplikasi Pupuk Organik Sekam Padi pada Pertanaman Sorgum (Sorghum bicolor, L.)

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