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Journal : Jurnal Agroteknologi

HUBUNGAN ANTARA BEBERAPA KARAKTERISTIK FISIKA TANAH DENGAN PRODUKSI NILAM DI KECAMATAN WOLASI KABUPATEN KONAWE SELATAN Sasmita, Amelia; Hemon, Tufaila; Zulfikar, Zulfikar; Leomo, Sitti; Erawan, Dedi; Rustam, La Ode
Jurnal Agroteknologi (Agronu) Vol 2 No 02 (2023): Jurnal Agroteknologi (Agronu)
Publisher : Universitas Ma'arif Nahdlatul Ulama Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53863/agronu.v2i02.716

Abstract

Based on Regional Statistical Data for South Konawe Regency (2021) the harvested area of patchouli plants reached 427 ha with a total production of 924 tons or an average production of 2.16 tons ha-1 in 2019, but patchouli production has decreased sharply, where in 2020 production Patchouli only achieves an average production of 0.34 tons ha-1. This also happened in Wolasi Sub-District as one of the patchouli cultivation centers for South Konawe Regency. The average production is still far below the national average. It is suspected that the soil fertility factor is one of the causes of the decreased productivity of patchouli plants in Wolasi District. This research was carried out on patchouli plantations in Wolasi District, South Konawe Regency. The research objectives were: 1) to determine the relationship between soil physical characteristics and patchouli production in Wolasi District. The research was carried out from September to November 2022. The research method used a survey method which was based on field observations and soil analysis at the Soil Science Laboratory, Halu Oleo University. Determining the location of sampling of soil and patchouli production at the location of patchouli plantations in Wolasi District uses a composite sampling technique. There are 12 soil sampling locations. The results of the soil analysis were then statistically analyzed using Microsoft Excel software. Analysis was conducted to reveal the relationship between soil physical characteristics (porosity, bulk density and soil depth) with patchouli production. The results showed that content weight had a positive correlation and affected patchouli productivity by 23.23%. Porosity has a positive correlation and affects patchouli productivity by 16.68%. Effective depth has a positive correlation and affects patchouli productivity by 36.3%.Keywords: regression analysis, patchouli productivity, soil physical properties
Analisis Neraca Air Lahan untuk Perencanaan Tanaman Padi Gogo dan Jagung pada Sub Das Wolasi Sani, Nur Fitria; Darwis, Darwis; Alam, Syamsu; Rustam, Rustam; Leomo, Siti; Erawan, Dedi
Jurnal Agroteknologi (Agronu) Vol 3 No 01 (2024): Jurnal Agroteknologi (Agronu)
Publisher : Universitas Ma'arif Nahdlatul Ulama Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53863/agronu.v3i01.717

Abstract

Infomation climate data of a place plays an important role in the development of agriculture in the region. This can be used to find out about the relationship between plants and climate, estimates of planting time, harvest time, drought (water deficit), flooding (water surplus) can be made, and determining the types of plants used. In accordance. This study aims to determine the level of groundwater availability based on land water balance analysis in the Wolasi sub-watershed and to find out how to plan planting patterns of upland rice and corn according to groundwater availability in the Wolasi sub-watershed. This study uses monthly rainfall data for 10 years (2012-2021) and other climate data (air temperature) for 10 years (2012-20121). Calculation of land water balance using the Throntwaite-Mather method. The result of land water balance calculation under conditions of monthly average rainfall distribution of water availability in the Wolasi sub-watershed are classified as very adequate where a surplus occurs from January to July and December. While the water deficit occurs from August to October. At a 75% chance of rainfall, the distribution of water availability is classified as very adequate,where a surplus occurs from January to July and November to December and a water deficit occurs from July to October. In the Wolasi sub-watershed, the montly average rainfall for upland rice can be planted in January and the final harvest in April, while for corn, the initial planting can be done in May and the final harvest in July, upland rice and corn can be planted twice in a row. a year and can also be planted in intercropping. With a 75% chance of rainfall in the Wolasi sub-watershed, the initial planting of upland rice can be done in January and the final harvest in April, while corn plants can be intercropped, planting upland rice and corn can be done once a year.