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Journal : Jurnal Agrotek

Karakteristik lahan budidaya kakao (Theobroma cacao L.) di distrik Manokwari Utara kabupaten Manokwari provinsi Papua Barat Theresia Hae; Sartji Taberima; Antonius Suparno; Inna Martha Rumainum
Agrotek Vol 9 No 1 (2021): Juli
Publisher : Fakultas Pertanian Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (747.729 KB) | DOI: 10.46549/agrotek.v9i1.189

Abstract

This study aims to study soil fertility status, determine land suitability status and provide recommendations for land suitability for cocoa cultivation based on land suitability evaluation in 6 (six) villages in North Manokwari District based on its slopes. The 6 (six) villages in the research location such as Pami, Mandopi, Sairo, Bremi, Yoom, and Lebau. The study lasted for approximately three (3) months, from March to May 2019. The results showed that the soil fertility status at the study site on a slope of 0-8% (SPT 1) was classified as moderately fertile. The slope of 8-15% (SPT 2) and the slope of 15-25% (SPT 3) were quite fertile. The land suitability status for SPT1 land was actually categorized as marginal (S3), but it can be upgraded to a potential land suitability class of S2 with some improvements. SPT 2 land is actually categorized as marginal (S3) and quite suitable (S2), which can be increased to potential land suitability classes S2 and S1. SPT 3 land is actually categorized according to marginal (S3) and quite suitable (S2), but can be increased to potential land suitability classes S2 and S1. Recommended land potential for cocoa plant development are on SPT 2 land with a slope of 8-15%, namely in Lebau Village, Yoom, Mandopi; and SPT 3 with a slope of 15-25%, namely Lebau, Sairo, Pami.
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.