Soil fertility index based on altitude: A comprehensive assessment for the cassava development area in Indonesia

IF 3.5 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY

Annals of Agricultural Science Pub Date : 2022-12-01 DOI:10.1016/j.aoas.2022.10.001

Mujiyo , Sari Nariyanti , Suntoro , Aktavia Herawati , Ganjar Herdiansyah , Heru Irianto , Erlyna Wida Riptanti , Aulia Qonita

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引用次数: 3

Abstract

The local variety of Jarak Towo cassava has a distinctive sweet taste and soft texture, suitable for use as raw materials for the creative food industry. The development of quality commodities requires suitable soil and land. This study aims to identify soil fertility index (SFI), determinants of SFI, and provide land management recommendations for developing the Jarak Towo in Jatiyoso Sub-Regency, Indonesia. The research phase consists of (1) determination of land map unit (LMU); (2) field survey; (3) soil sample analysis; (4) determination of the minimum soil fertility indicator (MSFI); (5) determination of soil fertility index (SFI) and (6) data analysis. Land Map Units are based on an altitude of 400, 600, 800, 1000, 1200, and 1400 m asl (meters above sea level), with 4 sampling points at each LMU. The results showed that soil fertility in Jatiyoso Sub-Regency was classified as moderate and high. Altitude greatly affects SFI. Area 1200–1400 m asl have moderate SFI while area 400–1000 m asl have high SFI. An altitude of 1000 m asl has the potential for the development area of Jarak Towo. Determinant factors of soil fertility are total nitrogen, ratio C/N, cation exchange capacity, exchangeable calcium and exchangeable magnesium. Land management recommendations to improve soil fertility and Jarak Towo varieties' development include adding organic matter and applying manure, lime and dolomite before planting.

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基于海拔的土壤肥力指数:印尼木薯开发区的综合评价

当地品种Jarak Towo木薯具有独特的甜味和柔软的质地，适合作为创意食品行业的原料。优质商品的发展需要适宜的土壤和土地。本研究旨在确定土壤肥力指数(SFI)、SFI的决定因素，并为印度尼西亚Jatiyoso省的Jarak Towo提供土地管理建议。研究阶段包括:(1)确定土地图单元(LMU);(2)实地调查;(3)土样分析;(4)确定最小土壤肥力指标(MSFI);(5)测定土壤肥力指数(SFI);(6)数据分析。陆地地图单元以海拔400、600、800、1000、1200和1400米为基准，每个LMU有4个采样点。结果表明，贾提约索地区土壤肥力分为中、高两类。海拔高度对SFI影响很大。1200 ~ 1400 m区域SFI中等，400 ~ 1000 m区域SFI较高。海拔1000米的地区具有开发Jarak Towo的潜力。土壤肥力的决定因子是全氮、碳氮比、阳离子交换容量、交换性钙和交换性镁。改善土壤肥力和Jarak Towo品种发展的土地管理建议包括在种植前添加有机质和施用肥料、石灰和白云石。

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来源期刊

Annals of Agricultural Science AGRICULTURE, MULTIDISCIPLINARY-

CiteScore

12.60

自引率

0.00%

发文量

审稿时长

33 days

期刊介绍： Annals of Agricultural Sciences (AOAS) is the official journal of Faculty of Agriculture, Ain Shams University. AOAS is an open access peer-reviewed journal publishing original research articles and review articles on experimental and modelling research at laboratory, field, farm, landscape, and industrial levels. AOAS aims to maximize the quality of the agricultural sector across the globe with emphasis on the Arabian countries by focusing on publishing the high-quality applicable researches, in addition to the new methods and frontiers leading to maximizing the quality and quantity of both plant and animal yield and final products.