121°0' 121°10' 121°20' 121°30' 121°40' R E P U B L I C O F T H E P H I L I P P I N E S Province of Apayao D E P A R T M E N T O F A G R I C U L T U R E 17°40' BUREAU OF SOILS AND 17°40' WATER MANAGEMENT Elliptical Road,cor.Visayas Ave.,Diliman,Quezon City SOIL pH MAP ( Key Rice Areas ) PROVINCE OF KALINGA ° Province of Cagayan SCALE 1 : 75 , 000 0 1 2 4 6 8 Kilometers Projection : Transverse Mercator Datum : Luzon 1911 DISCLAIMER: All political boundaries are not authoritative Pinukpuk ! Province of Abra 17°30' Rizal ! 17°30' Balbalan ! TABUK \ Pasil ! Lubuagan ! Province of Isabela 17°20' 17°20' Tanudan LOCATION MAP ! 18° 20° Apayao Cagayan LEGEND LUZON Ilocos Sur 15° pH Value GENERAL AREA MAPPING UNIT DESCRIPTION 17°30' ( 1:1 RATIO ) RATING ha % Tinglayan KALINGA ! Nearly Neutral 454 2.25 > 6.8 or to Extremely Isabela Alkaline 1,771 8.76 Low VISAYAS 10° - < 4.5 Extremely Acid - Mt. Province - 17° Ifugao - Moderately Very Strongly MINDANAO 4.6 - 5.0 - 121° 121°30 ' 120° 125° Low Acid - Moderately 1 ,333 6.60 5.1 - 5.5 Strongly Acid High 3 ,159 15.63 Moderately 10,716 53.03 CONVENTIONAL SIGNS MISCELLANEOUS INFORMATION 5.6 - 6.8 High Acid to Slightly SOURCES OF INFORMATION : Topographic information taken from NAMRIA Topographic Map at a scale of Acid 2,774 13.73 1:50,000.Elevation data taken from SRTM 1 arc-second global dataset (2015). Bathymetry information taken ROADS BOUNDARY HYDROLOGY from British Oceanographic Centre.Fertility data gathered through the Bureau of Soils and Water Management T O T A L 20,207 100.00 (BSWM) National Soil Sampling and Testing for Fertility and Crop Suitability Assessment project led by the Expressway Regional Rivers / Lake Soils Survey Division (SSD) in 2016. Paddy Irrigated Paddy Non Irrigated 17°10' Provincial Users noting errors or omissions in this publication are requested to inform the BSWM,SRDC Bldg.,Elliptical Rd. Trunk line Shoreline cor.Visayas Avenue,Diliman,Quezon City,Philippines or visit the BSWM website (http://www.bswm.da.gov.ph). AAreeaa e srteimfeartesd t boa stehde o anc atcutuaal la fireelda s suurvrevy,e oytehedr binyfo trhmea tfioienl fdro smu DrvAe-RyF Ote'sa MmA.'s, NIA Service Area, Primary District PLACES NAMRIA Land Cover (2010) and BSWM Land Use System Map 17°10' Copyright © 2016. All rights reserved to the Bureau of Soils and Water Management. No part of this publication may be reproduced, stored in a retrieval system or published without written consent from the BSWM. Secondary Municipal \ ^ Capital City / City Tertiary P ! Capital Town / Town Prepared and produced by the GEOMATICS AND SOIL INFORMATION TECHNOLOGY DIVISION, BSWM. Mountain Province 121°0' 121°10' 121°20' 121°30' 121°40'.