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Khodijah NS
Jurusan Agroteknologi FPPB, Universitas Bangka Belitung
Environmental Science

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OPTIMALISASI PRODUKSI KACANG TANAH DAN JAGUNG PADA POLA TANAM TUMPANGSARI DENGAN PERLAKUAN DEFOLIASI JAGUNG Khodijah NS; Kusmiadi R; Sartika S
Enviagro: Jurnal Pertanian dan Lingkungan Vol 7 No 2 (2014): Enviagro: Jurnal Pertanian dan Lingkungan
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Fakultas Pertanian, Perikanan dan Biologi Universitas Bangka Belitung

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Abstract

The purpose of this study was to determine the effect of defoliation in maize to the production of ground nut which grown on intercropped pattern with maize. The research was conducted from June until September 2012 in the Balunijuk village, Merawang subdistrict, Bangka Belitung. The experimental design used in randomized block design with 3 treatments, they were: without defoliation (control), and defoliation at 1 and 2 weeks after pollination in maize. The results showed that the maize defoliation treatment gives a better influence on plant height and weight of 100 seeds on ground nut than without defoliation. While the maize, defoliation treatments at 1 and 2 weeks after pollination could increase the number of cobs/maize.
OPTIMALISASI PERTUMBUHAN DAN PRODUKSI 1 VARIETAS DAN 3 AKSESI UBI KAYU PADA LAHAN ULTISOL DENGAN PENAMBAHAN CENDAWAN PELARUT FOSFAT (CPF) Pratama D; Kartika Kartika; Khodijah NS
Enviagro: Jurnal Pertanian dan Lingkungan Vol 7 No 2 (2014): Enviagro: Jurnal Pertanian dan Lingkungan
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Fakultas Pertanian, Perikanan dan Biologi Universitas Bangka Belitung

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Abstract

In order to fulfill food needs, we need another food resources beside rice. Cassava (Manihot esculenta L.) is one of the sources food that substitutes the rice. Beside that, utilization of ultisols as cropland can support the efforts to fulfill food needs. This study was conducted to determine the effect of giving Phosphate Solubilizing Fungi (PSF) to one variety (Malang 1) and three accesions of cassava (Sutera, Kuning, and Bayel) on planting in ultisol land. The experiment were conducted with a split plot design, where the main plot consists of PSF and non PSF, while the subplot consists of 1 variety and 3 accessions of cassava. The results showed that addition of Phosphate Solubilizing Fungi (PSF) gives good effects to some characters such as plant height, number of leaves, number of tuber, and tuber weight if compared without PSF. Furthermore, only the Kuning accesion that shows the interaction with PSF for the number of leaves character.
PEMANFAATAN BULU AYAM DAN KOMPOSISI CANGKANG RAJUNGAN UNTUK MENINGKATKAN KUALITAS FISIK DAN KIMIA KOMPOS Kusmiadi R; Khodijah NS; Akbar A
Enviagro: Jurnal Pertanian dan Lingkungan Vol 7 No 2 (2014): Enviagro: Jurnal Pertanian dan Lingkungan
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Fakultas Pertanian, Perikanan dan Biologi Universitas Bangka Belitung

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Abstract

Utilization of waste chicken feather and crab shells as compost material is an alternative to reduce the environmental pollution caused by waste. This research is identify and study the effect of the addition of crab shells during composting of chicken feather in improving the physical and chemical quality compost chicken feather. The composition compost consists of 1.75 kg of chicken feathers + 0.15 kg of chicken manure + 0.1 kg bran. Treatment includes research R0 without the addition of crab shells, R1 0,2 kg, R2 0,4 kg, R3 0.6 kg shell crab. This research used a cluster randomized design (RAK) consisting of 4 treatment, which was repeated 3 and each treatment has 3 samples, 36 samples were obtained observations. Observations on the observed variables were analyzed using the F test. If there is a treatment that have a real effect, it will continue to use further testing Honestly Significant Difference (HSD) with a 95% confidence level. Physical parameters include is water conten, temperature, and colour of compost. Parameters chemical include is N, P, K, Ca, C- Organik, and C/N ratio. The results showed that the addition 0.6 kg of crab shells only give the effect in improving quality pH (7,29%), Ca (6,8%), P (1,16%), N-Total (4,16%). Variables that have met quality standards by SNI 19-7030-2004 compost is N-total, pH, Ca, C-Organic and Phosphorus
HUBUNGAN ANTARA PERUBAHAN IKLIM DAN PRODUKSI TANAMAN PADI DI LAHAN RAWA SUMATERA SELATAN Khodijah NS
Enviagro: Jurnal Pertanian dan Lingkungan Vol 8 No 2 (2015): Enviagro: Jurnal Pertanian dan Lingkungan
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Fakultas Pertanian, Perikanan dan Biologi Universitas Bangka Belitung

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Abstract

Tidal swamp areas in Indonesia have important role and strategic for agricultural development, especially to support national food security. It has a potency, land productivity and management technology. Tidal swamp land have a large area which potentially used as agricultural land, especially for rice. There are constraints for agriculture in tidal swamp areas, such as: (1) low soil fertility, (2) infrastructure is not optimally function, (3) low education farmer, (4) harvest index once a years, dan (5) high pest attacks. Total damages and losts effected by climate change, such as flood and drought, increase time by time. Because tidal swamp areas have different characteristic, we need information about the condition in an extreme climate change and its damages causes yield loses in tidal swamp areas. The rereach aimed to identify relatedness between climate change and crop production in tidal swamp areas, especially in South Sumatera. Climatic factor which giving effect to production, harvest area and rice productivity in South Sumatera from 2000 to 2012 is rainfall. It means that water availability will greatly effect the production, harvest area, and rice productivity. Sunlight and temperature have not a big role to increase production, harvest area and productivity, but there is increasing trend in temperature and lighting give effect to production, harvest area and rice productivity. Otherwise, high humidity gives effect in decreasing production, harvest area and rice productivity.
Co-Authors Akbar A Deni Pratama Kartika Kartika Kusmiadi R Sartika S