121°0' R E P U B L I C O F T H E P H I L I P P I N E S D E PA R T M E N T O F A G R IIC U LT U R E BUREAU OF SOILS AND WATER MANAGEMENT Elliptical Road Cor. Visayas Ave., Diliman, Quezon City 18°0' SOIL pH MAP 18°0' ( Key Rice Areas ) Province of Apayao PROVINCE OF ABRA ° SCALE 1:220,000 0 2 4 6 8 10 12 Kilometers Projection : Transverse Mercator Datum : PRS 1992 DISCLAIMER : All political boundaries are not authoritative Province of Ilocos Norte !Tineg !Lagayan !Danglas !San Juan !La Paz !Lacub !Dolores !Tayum Licuan-Baay !Lagangilang ! Bangued P !Malibcong !Langiden !Pidigan !Peñarrubia !San Quintin !Bucay San Isidro ! Province of Kalinga !Daguioman !Sallapadan !Bucloc !Villaviciosa !Manabo !Pilar !Boliney Province of Ilocos Sur !Luba !Tubo Mt. Province LEGEND AREA pH Value GENERAL MAPPING UNIT DESCRIPTION (1:1 Ratio) RATING ha % Nearly Neutral to LOCATION MAP - - 6.9 and above; Extremely Alkaline, Low 18° 4.5 and below Extremely Acid Ilocos Norte Apayao 3,839 21.84 - - LUZON 4.6 - 5.0 Moderately Low Very Strongly Acid 15° 672 3.82 - - 5.1 - 5.5 Moderately High Strongly Acid Abra 2,164 12.31 Moderately acid to - - VISAYAS 10° 5.6-6.8 High Kalinga slightly acid 10,899 62.02 TOTAL 17,574 100.00 Ilocos Sur Paddy Irrigated Paddy Non Irrigated Mt. Province MINDANAO 5° Area estimated based on actual field survey, other information from DA-RFO's, MA's, NIA Service Area, 121° 120° 125° NAMRIA Land Cover (2010) and BSWM Land Use System Map MISCELLANEOUS INFORMATION SOURCES OF INFORMATION:Topographic information taken from NAMRIA Topographic CONVENTIONAL SIGNS Map at a scale of 1:50,000. Elevation data taken from SRTM 1 arc-second global datase (2015). Bathymetry information taken from British Oceanographic Centre Fertility data gathered through the Soil Health Assessment-National Soil Sampling andTesting Project ROADS BOUNDARY HYDROLOGY Phase II led by the Bureau of Soils and Water Management in partnership with the DA- Regional Field Offices (RFOs) and Local Government Units (LGUs). Expressway Regional Rivers / Lake Users noting errors or omissions in this publication are requested to inform the BSWM, Trunk line Provincial SRDC Bldg., Elliptical Rd., cor.Visayas Avenue, Diliman, Quezon City, philippines or visit Shoreline the BSWM website (http://www. bswm.da.gov.ph). Primary Municipal Copyright © 2017. All rights reserved to the Bureau of Soils and Water Management. No PLACES part of this publication may be reproduced, stored in a retrieval system or published Secondary without written consent from the BSWM. \ ^ Capital City / City Tertiary Prepared and produced by the GEOMATICS AND SOIL INFORMATION TECHNOLOGY DIVISION,BSWM. P ! Capital Town / Town 121°0' 9.