124°20' 124°30' 124°40' 124°50' 125° 125°10' 125°20' 7°40' 7°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 DEPARTMENT OF AGRICULTURE Province of Lanao del Sur BUREAU OF SOILS AND WATER MANAGEMENT Elliptical Road Cor. Visayas Ave., Diliman, Quezon City SOIL pH MAP ( Key Corn Areas ) PROVINCE OF NORTH COTABATO ° SCALE 1:130,000 0 2 4 6 8 10 Kilometers Projection : Transverse Mercator Banisilan ! Datum : PRS 1992 7°30' DISCLAIMER : All political boundaries are not authoritative 7°30' Province of Bukidnon Province of Maguindanao Alamada ! Arakan ! 7°20' Province of Davao del Sur 7°20' Libungan ! Pigcawayan ! Antipas ! !Carmen !Midsayap 7°10' 7°10' !Aleosan !President Roxas Kabacan ! Province of Maguindanao Magpet Matalam ! ! Pikit ! LOCATION MAP Kidapawan \ 7° 7° Lanao Del Sur 20°0' Bukidnon LUZON 15°0' Province of Maguindanao !Makilala NORTH COTABATO !M'lang 7°0' VISAYAS 10°0' Maguindanao Davao Del Sur Sultan MINDANAO Kudarat 5°0' LEGEND South Cotabato 125°0' 120°0' 125°0' pH Value GENERAL AREA MAPPING UNIT DESCRIPTION (1:1 Ratio) RATING ha % Nearly Neutral to CONVENTIONAL SIGNS 6.9 and above; !Bagontapay Low Extremely Alkaline, 1,914 11.84 4.5 and below Province of Davao del Sur ROADS BOUNDARY HYDROLOGY Extremely Acid Expressway Regional Rivers / Lake 4.6 - 5.0 Moderately Low Very Strongly Acid 57 0.35 Trunk line Provincial Shoreline Primary City PLACES 5.1 - 5.5 Moderately High Strongly Acid 2,079 12.86 Secondary Municipal \ ^ Capital City / City Tulunan 6°50' Tertiary Moderately Acid ! 6°50' P ! Capital Town / Town 5.6 - 6.8 High 12,122 74.95 Residential to Slightly Acid TOTAL 16,172 100.00 Area estimated based on actual field survey, other information from DA-RFO's, MA's, NAMRIA Land Cover (2010) and BSWM Land Use MISCELLANEOUS INFORMATION System Map. SOURCES OF INFORMATION : Topographic information taken from NAMRIA Topographic Map at a scale of 1:50,000. Elevation data taken from SRTM 1 arc-second global dataset (2015). Bathymetry information taken from British Oceanographic Centre. Soil pH data gathered through the Soil Health Assessment - National Soil Sampling and Testing Project Phase III led by the Bureau of Soils and Water Management in partnership with the DA - Regional Field Offices (RFOs) and Local Government Units (LGUs). Users noting errors or omissions in this publication are requested to inform the BSWM, SRDC Bldg., Elliptical Rd., cor. Visayas Avenue, Diliman, Quezon City, Philippines or visit the BSWM website (http://www.bswm.da.gov.ph). Copyright © 2018. 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. Prepared and produced by the GEOMATICS AND SOIL INFORMATION TECHNOLOGY DIVISION, BSWM. Province of Sultan Kudarat Province of Maguindanao Province of Sultan Kudarat 124°20' 124°30' 124°40' 124°50' 125° 125°10' 125°20'.