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Roosna Maryani Octaviana Adjam
Politeknik Pertanian Negeri Kupang
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EVALUASI FUNGSI EKOLOGIS VERTIKAL HIJAU PADA BANGUNAN RUMAH DI KABUPATEN KUPANG NTT Roosna Maryani O Adjam; Micha Ratu Rihi
Partner Vol 23, No 1 (2018): Edisi Juli
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v23i1.295

Abstract

Using of green vertical in Indonesia began to develop since 2000. This has been supported by public awareness to create a better quality living space. The vertical greening system in the landscape world has become a common practice for growing vines on building walls. Evaluation study of green vertical ecological functions was carried out in one of the residential houses in Kupang Regency. The basic objective of research is vertical green is needed to replace the function of air conditioner (AC) in homes in creating thermal comfort. The method in this study is the experimental method, carried out by testing several parameters on green vertical. The research procedure consists of 4 main stages, (1) the design and construction of the proposed green vertical model; (2) distance placement arrangements between panels and buildings; (3) selection of plants to be used and (4) measurement of microclimate. The measurement results are then analyzed to compile the green vertical criteria in residentialbuildings. Observation of the study was conducted in July 2018. Based on the laying distance, the best vertical green distance to the building wall was 0 cm (attached to the wall). With a distance of 0 cm, the decrease in room temperature is at the maximum level of 0.68 ° C for indoor conditions and0.86 ° C outside space. While based on the type of plant, the best combination of ground cover in reducing temperature was Marantha leuconeura. Referring to the measurement results, the best combination of panels to be applied on a residential scale was Marantha leuconeura which was placed at a distance of 0 cm from the wall of the building.
RESPON TANAMAN SAWI AKIBAT PEMBERIAN PUPUK ORGANIK BIO-SLURRY DENGAN PENAMBAHAN NPK Yulian Abdullah; Roosna M.O. Adjam
Partner Vol 22, No 2 (2017): Edisi November
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v22i2.243

Abstract

Fertilizing combination  between organic and inorganic fertilizer can increase crop production because organic fertilizer improves physical, chemical, and biologicalcondition of the soil,hence give conducive circumstances to plant growth. The aim of the research was to identify  the influence of the solid bio-slurry  and NPK fertilizer on the growth and production of Brassica juncea L. The experimental design used in the study was  Group Randomized Design (RBD) with 6 treatments and 4 replications to obtain 24 experimental units. The treatments were: P1: Bio-slurry 20 t.ha-1 + NPK 0 kg ha-1; P2: Bio-slurry 20 t.ha-1 + NPK 25 kg ha-1 +; P3: Bio-slurry 15 t.ha-1 + NPK 50 kg ha-1; P4: Bio-slurry 10 t.ha-1 + NPK 75 kg ha-1; P5: Bio-slurry 5 t.ha-1 + NPK fertilizer 100 kg ha-1; P6: Bio-slurry 0 t.ha-1 + NPK 125 kg ha-1. The results showed that the application of bio-slurry fertilizer with NPK gave effect to the growth and production of  brassica,  included plant heights, leaf numbers, fresh weights and dry weights of  brassica at 28 day after plant of  observation age. Keywords: Bio-slurry, mustard , organic fertilizer, NPK
ANALISIS EFISIENSI PEMASARAN TERUNG DI PASAR-PASAR TRADISIONAL KOTA KUPANG Itu Nu, Maria V.; Ratu Rihi, Micha S.; Walunguru, Lena; Namah, Chris N.; Sine, Heny M. C.; Nainggolan, Viona; Koylal, Johny A.; Abdullah, Yulian; Saubaki, Marthen Y.; Fallo, Ferdy A. l.; Nababan, Manaor B.; Adjam, Roosna M. O.
Partner Vol 30, No 2 (2025): Edisi November 2025
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v30i2.7511

Abstract

EVALUASI EFIKASI EKSTRAK DAUN TEMBELEKAN (Lantana camara L.) PADA BERBAGAI KONSENTRASI TERHADAP POPULASI THRIPS PADA TANAMAN CABAI MERAH (Capsicum annuum L.) Regiseltrida Adut; Roosna M.O. Adjam; Jacqualine A. Bunga; Tri Luchi Proklamita; Nina J. Lapinangga; Zainal Arifin; Micha S. Ratu Rihi
Partner Vol 31, No 1 (2026): Edisi Juli 2026
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v31i1.7587

Abstract

Penelitian bertujuan menganalisis pengaruh berbagai konsentrasi ekstrak daun tembelekan terhadap hama thrips pada cabai merah serta menentukan konsentrasi paling efektif dalam menekan populasi hama. Penelitian dilaksanakan pada November 2025 hingga Februari 2026 di lapangan dan laboratorium. Metode penelitian menggunakan rancangan acak lengkap enam perlakuan, yaitu P0 diamati: waktu awal kematian, mortalitas, LT50 (Lethal Time 50), dan LC50 (Lethal Concentration 50). Hasil penelitian menunjukkan bahwa pemberian ekstrak daun tembelekan memberi pengaruh terhadap seluruh parameter yang diamati. Perlakuan dengan konsentrasi 20% (P4) menghasilkan respons terbaik, ditandai dengan waktu awal kematian tercepat sebesar 1,53 jam, tingkat mortalitas hama thrips tertinggi 72,50%, nilai Lt50 tercepat sebesar 1,32 jam, nilai LC50 sebesar 17,38%. Temuan penelitian menunjukkan ekstrak tembelekan berpotensi sebagai pestisida nabati yang efektif dan ramah lingkungan dalam pengendalian hama thrips.Kata Kunci: Tembelekan, Thrips, Mortalitas, Konsentrasi, Pestisida Nabati
Co-Authors Abdullah, Yulian Emi Renoat Fallo, Ferdy A. l. Imam Buchori Itu Nu, Maria V. Jacqualine A. Bunga Koylal, Johny Agustinus Lena Walunguru, Lena Micha Ratu Rihi Micha S. Ratu Rihi Nababan, Manaor B. Nainggolan, Viona Namah, Chris N. Nina J. Lapinangga Proklamita, Tri Luchi Ratu Rihi, Micha S. Regiseltrida Adut Saubaki, Marthen Y. Sine, Heny Mathelda Cornelia Wakhidah Kurniawati Zainal Arifin