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All Journal Jurnal Agroteknos Berkala Penelitian Agronomi Tanjungpura International Journal on Dynamics Economics, Social Sciences, and Agribusiness (TIJDESSA)
Arsana, Made Widana
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Agriculture, Biological Sciences & Forestry Humanities Economics, Econometrics & Finance Environmental Science Social Sciences

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HUBUNGAN KESUBURAN TANAH DENGAN HASIL BIJI KAKAO (THEOBROMA CACAO L.) DI SULAWESI TENGGARA Arsana, Made Widana; Tufaila, M.; Syaf, Hasbullah; Rakian, Tresjia C.
Berkala Penelitian Agronomi Vol 7, No 2 (2019)
Publisher : Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/bpa.v7i2.9676

Abstract

Sulawesi Tenggara merupakan provinsi dengan luas areal perkebunan kakao terbesar kedua di Indonesia, setelah Sulawesi Tengah. Informasi tentang hubungan kesuburan tanah dengan hasil biji kakao di wilayah ini masih sangat terbatas. Penelitian ini dilaksanakan untuk mengevaluasi hubungan kesuburan tanah dengan hasil biji kakao dan untuk mengetahui karakteristik tanah yang paling berpengaruh dan menjadi pembeda terhadap hasil biji kakao di daerah ini. Penelitian dilaksanakan di tiga kabupaten (i.e. Kabupaten Kolaka, Kolaka Timur, dan Kolaka Utara. Penelitian dilaksanakan menggunakan metode survei. Sampel tanah diambil secara komposit (lima komposit per UPS/unit pengambilan sampel) sampai kedalaman 30 cm. Jumlah UPS adalah 48 yang masing-masing berukuran 100 x 100 m. Karakteristik tanah yang dianalisis adalah tekstur tanah, kandungan C-organik, N-total, rasio C:N, pH, K2O, P2O5, Ca, Mg, K, Na, alkalinitas, jumlah basa, KTK, kejenuhan basa, Al, dan kejenuhan Al. Analisis korelasi Pearson dilakukan untuk mengetahui hubungan antara karakteristik tanah dengan hasil biji kakao. Hasil analisis menunjukkan hasil biji kering kakao secara signifikan (P<0.05) berkorelasi positif dengan pH, K2O, P2O5, Ca, jumlah basa, dan KTK tanah. Karakteristik tanah yang paling berpengaruh dan menjadi pembeda terhadap hasil biji kakao adalah kandungan Ca dan K2O, dengan persamaan regresi: Y = 78,65Ca +13,17K2O +292,41 (R2=0,27).Kata kunci: hasil biji, kakao, kesuburan tanah, korelasi
RESPON HASIL DAN JUMLAH BIJI BUAH SEMANGKA (Citrullus vulgaris) DENGAN APLIKASI HORMON GIBERELIN (GA3) Wijayanto, Teguh; Yani, Wa Ode Rahzia; Arsana, Made Widana
Jurnal Agroteknos Vol 2, No 1 (2012)
Publisher : Jurnal Agroteknos

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Abstract

Hormone gibberellin (GA3) is known to be able to increase yield and plays a role in the production of seedless fruits. This research was conducted to determine the effects of GA3 application on yield and quality (seed number) of watermelon. The research was performed at the experimental farm of Agriculture Faculty, University of Halu Oleo.  The research was arranged in a Complete Randomized Design (CRD) with a single factor (dose of GA3), consisted of 6 (six) levels, namely:  without GA3 application (G0), GA3 100 mg L-1 (G1),  GA3 150 mg L-1 (G2),  GA3 200 mg L-1 (G3),  GA3 250 mg L-1 (G4), and GA3 300 mg L-1  (G5).  Each treatment consisted of 4 (four) plants, with 3 replicates, to make an averall 72 experimental units (plants).   Research results showed that the application of GA3 significantly influenced the fresh fruit weight, fruit diameter, fuit content diameter, and seed number.   Treatment of gibberellin 300 mg L-1 (G5) tended to produce higher yield (fresh fruit weight, fruit diameter, fuit content diameter), while G4 treatment (250 mg L-1) resulted in the lowest number of seeds in the fruit.   Despite further research is still needed, this research indicates that the application of gibberellins (GA3) has the potency in increasing the yield of watermelon and improving the quality, in term of the possibility to produce seedless watermelon. Keywords: gibberellins (GA3), fruit yield and quality, seedless fruit, watermelon.
STRATEGIES FOR IMPROVING OIL PALM PRODUCTIVITY IN NORTH KONAWE Rianse, Ilma Sarimustaqiyma; Zulfikar; Rianse, Usman; Arsana, Made Widana; Rustam, La Ode; Baka, Wa Kuasa
Tanjungpura International Journal on Dynamics Economics, Social Sciences and Agribusiness Vol. 2 No. 2 (2021): TANJUNGPURA INTERNATIONAL JOURNAL ON DYNAMICS ECONOMICS, SOCIAL SCIENCES AND AG
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (448.727 KB) | DOI: 10.26418/tijdessa.v2i2.20

Abstract

The current study was conducted to assess to assess the productivity of oil palm plantations in North Konawe, Indonesia, that are run through partnership with oil palm smallholders. Data were gathered through surveys and interviews. The study found that the productivity of the plantations was still low, ranging from 4 to 8 metric tons of fresh fruit bunch (FFB) ha–1 year–1, while the yield potential for the grown cultivars could reach 15 metric tons ha–1 year–1. Increasing the oil palm productivity could be done through improved soil capacity to provide nutrients for oil palm plants, for instance, through fertilization and/or the use of organic matter. Since the oil palm plantations were mostly developed on lands with slopes of 15-25%, activities during land preparation, cultivation, and FBBs harvest and transportation should be done properly to reduce land degradation due to erosion. Practices to minimize the sloppy land degradation include terracing and growing cover crops, multiple cropping or intercropping the main crop (oil palm) with either annual crops or perennial crops. Another strategy is through the integration of livestock farming into the oil palm plantations. Keywords: agroecology, productivity, strategy, management
Co-Authors Hasbullah Syaf Ilma Sarimustaqiyma Rianse M. Tufaila Rakian, Tresjia C. Rustam, La Ode Teguh Wijayanto Usman Rianse WA KUASA Yani, Wa Ode Rahzia Zulfikar