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Eko Agus Martanto
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Jurnal Agrotek : Fakultas Pertanian Universitas Papua Jalan Gunung Salju Amban, Manokwari, Papua Barat
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Kab. manokwari,
Papua barat
INDONESIA
Jurnal Agrotek
Published by Universitas Papua
ISSN : 1907039X     EISSN : 26208385     DOI : https://doi.org/10.46549/agrotek.
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Cakupan jurnal ini meliputi disiplin-disiplin ilmu pada bidang pertanian dan teknologi pertanian antara lain: budidaya pertanian, sosial ekonomi pertanian, ilmu tanah, ilmu hama dan penyakit tanaman, hortikultura, teknologi pengolahan hasil pertanian dan keteknikan pertanian.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 6 Documents
 1 
Search results for , issue "Vol 8 No 1 (2020): Juli" : 6 Documents clear
Penyebaran cacing pipih New Guinea (Platydemus manokwari de Beaucham)., (Tricladida : Geoplanidae) sebagai musuh alami bekicot di daerah Manokwari Fina Alfionita Tiong; Alexander Yaku; Frenki Arthur Paiki; Adelin Elsina Tanati; Sutiharni
Agrotek Vol 8 No 1 (2020): Juli
Publisher : Fakultas Pertanian Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (583.072 KB) | DOI: 10.46549/agrotek.v8i1.273

Abstract

The purpose of this study was to determine the distribution of the New Guinea flatworm (Platydemus manokwari) as a natural enemy of snails in the Manokwari area. Observations were made at 32 locations in Manokwari area used descriptive method with interviews and direct field observations. The results showed that the distribution of the New Guinea flatworm (P. manokwari) as a natural enemy of snails was found in all locations. However, these worms have not been found directly as biological control agents for snails.
Karakteristik kematangan beberapa jenis sagu (Metroxylon sagu sp) siap panen menurut pemahaman masyarakat kampung Randawaya distrik Teluk Ampimoi kabupaten Kepulauan Yapen provinsi Papua Arnolis Ruamba; Agus Irianto Sumule
Agrotek Vol 8 No 1 (2020): Juli
Publisher : Fakultas Pertanian Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (352.853 KB) | DOI: 10.46549/agrotek.v8i1.274

Abstract

The purpose of this study was to study the maturity characteristics of several types of sago (Metroxylon sago sp) ready to harvest according to the Randawaya community, Kepulauan Yapen Regency. This research can give useful information for stakeholders in identifying the natural maturity of sago. This research was conducted using a descriptive method with a qualitative approach. From the results of interviews with the community, there are three stages of maturity of sago ready to harvest, such as: the early ripening phase which is marked by the opening of sago midrib, and the sago shoots shortening with the starch content is still low; the ripe phase which is marked by the midrib wrapping up to release shoots resembling a stump, and the starch is very dense; the late-ripe phase is characterized by the appearance of fingers resembling deer antlers and the sago sheath begins to wear off with the starch content of sago begins to decrease.
Karakteristik kimia tanah pada areal tanaman kakao (Theobroma cacao L.) di ex PT. Cokran Ransiki kabupaten Manokwari Selatan Markus Yosias Mamori; Sartji Taberima; Rudolf Kristian Tukayo; Djoko Sudjatno
Agrotek Vol 8 No 1 (2020): Juli
Publisher : Fakultas Pertanian Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (620.316 KB) | DOI: 10.46549/agrotek.v8i1.275

Abstract

The purpose of this study was to examine the chemical characteristics of the soil on cocoa fields ex PT. Cokran in Abreso village, Ransiki district, South Manokwari regency. This research was a descriptive research with survey method and laboratory analysis. The variables observed in this study were the chemical properties of the soil in cocoa fields, which included four (4) locations on the coast, riverbanks, alluvial plains, and mountain edges. The results showed that the chemical status of the soil at the four cocoa fields had Cation Exchange Capacity (CEC) in the range of 31.27 – 44.18 cmol/kg, with high to very high categories. P-available ranged from 6.62 to 11.80 ppm which was classified as low to very low. Base cations (Ca2+, Mg2+, K+, Na+) had a high to very high category, Base Saturation (KB) was also quite high with a range of 96% - 100%. Soil chemical characteristics in these four (4) areas were vary, but quite suitable for the development of cocoa plantations especially for land in the Alluvial Plain area with an area of ​​416 Ha.
Inventarisasi dan Identifikasi Hama Utama Kedelai Pada Fase Pertumbuhan Generatif Tanaman Kedelai (Glycine Max (L.) Merril) Di Kebun Percobaan Manggoapi Fakultas Pertanian Universitas Papua Juarti Rahayu; Yacob Bodang; Sutiharni; Adelin Elsina Tanati; Antonius Suparno
Agrotek Vol 8 No 1 (2020): Juli
Publisher : Fakultas Pertanian Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (267.148 KB) | DOI: 10.46549/agrotek.v8i1.276

Abstract

This study aimed to inventory and identify the types of insect pests that damage soybean plants in the generative phase and describe the symptoms of damage caused. The results showed that there were 6 (six) main insect pests that caused damage to soybean plants in the generative phase, namely Phaedonia inclusa, Nezara viridula, Riptortus linearis, Chrysodeixis chalcites, Etiella zinckenella, and Lamprosema indicata. It was suspected that the presence of these 6 types of insects was influenced by two factors, namely internal factors (the characteristics possessed by the insect itself such as the ability to reproduce, the nature or how to maintain themselves and also the age of the insect) and external factors that was climatic factors such as temperature, humidity and rainfall (Jumar, 2000). The 6 pests were found to damage soybean plants by biting and chewing plant parts, but there were also those that damaged plants by piercing and sucking plant fluids.
Respons Pertumbuhan dan Produksi Bawang Daun (Allium fistulosum L.) pada Berbagai Dosis Kompos Ampas Sagu di dalam Polibag Hofni L. Watopa; Besse Amriati; Inna M. Rumainum; Budiyono; Antonius Suparno
Agrotek Vol 8 No 1 (2020): Juli
Publisher : Fakultas Pertanian Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (267.554 KB) | DOI: 10.46549/agrotek.v8i1.277

Abstract

This study aimed to examine the growth and production response of Allium fistolosum to the application of various doses of sago dregs compost and to determine the appropriate dose of sago dregs compost for it cultivation in polybags. This research was designed in Randomized Block Design (RAK) consisting of 4 doses of sago dregs compost treatments. The results showed that different doses of sago dregs compost had a significant effect on the growth and yield of Allium fistolosum. The dose of sago dregs compost with a dose of 600 g gave the highest yield on the parameters of observing plant height, stem diameter, and plant fresh weight.
Serapan hara dan hasil beberapa varietas kedelai (Glycine max L. Merril) akibat ameliorasi pada tanah inceptisol Prafi Elvira Olivia; Kati Syamsudin K. T; Purbokurniawan; Veronika L. Tuhumena
Agrotek Vol 8 No 1 (2020): Juli
Publisher : Fakultas Pertanian Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (248.893 KB) | DOI: 10.46549/agrotek.v8i1.278

Abstract

This study aimed to determine the interaction of ameliorant with various soybean varieties on nutrient uptake and soybean yield on Inceptisol soil in Wasegi Indah Village, Prafi District, Manokwari Regency. This study used a separate plot design consisting of ameliorant treatment as the main plot and varieties as sub-plots. The ameliorant treatments consisted of K0 (without treatment), A15 (rice husk ash 15 tons/ha), A30 (rice husk ash 30 tons/ha), P15 (goat manure 15 tons/ha), P30 (goat manure 30 tons/ha), PA15 (goat manure 7.5 tons/ha + rice husk ash 7.5 tons/ha), and PA30 (goat manure 15 tons/ha + Rice husk ash 15 tons/ha). The 3 soybean varieties consisted of V1 (Detam-I), V2 (Demas-I), and V3 (ena-I). The results showed that there was no interaction between ameliorant and variety in all plant variables. The highest N nutrient uptake was indicated by PA30 treatment of 0.467 g and V3 variety of 0.335 g. The highest P uptake at P30 was 0.063 g and the V1 variety was 0.051 g. The highest K uptake was shown in P15 at 0.523 g and V1 at 0.424 g. The results of the application of ameliorant to several soybean varieties resulted in good production in the ameliorant treatment of 30 tons/ha (P30) goat manure at 3,210 tons/Ha and Detam-1 (V1) varieties at at 2,880 tons/Ha.

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