121°0' 121°10' 121°20' 121°30' 121°40'

LOCATION MAP

Province of 18° R E P U B L I C O F T H E P H I L I P P I N E S 20° 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' Apayao BUREAU OF SOILS AND Cagayan 17°40'

WATER MANAGEMENT S3tf LUZON Elliptical Road,cor.Visayas Ave.,Diliman,Quezon City Ilocos Sur 15°

17°30' Province of Cagayan RICE SUITABILITY MAP Isabela

( Key Rice Areas ) S3tf VISAYAS 10° PROVINCE OF KALINGA Mt. Province 17° Province of Cagayan

Ifugao ° MINDANAO 121° 121°30 ' 120° 125° SCALE 1 : 75 , 000 CONVENTIONAL SIGNS 0 1 2 4 6 8 Kilometers ROADS BOUNDARY HYDROLOGY

Projection : Transverse Mercator Expressway Regional Rivers / Lake Datum : Luzon 1911 Trunk line Provincial Shoreline DISCLAIMER: All political boundaries are not authoritative S3txf Primary District PLACES

Secondary Municipal \ ^ Capital City / City ! ! Tertiary P Capital Town / Town S3txf

S3txf

S3tf S3txf S3tx

S3tf

S3tx Province of S3t

S3txf

S3t S3t

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17°30' S3tf Rizal ! S3t S3tf 17°30'

S3txf

S3tf

S3t S3t

S3t S3tf S3tx S3tf ! S3t

S3t

S3txf

TABUK \ S3t S3tf

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Pasil S3txf ! S3t

S3txf S3t S3txf S3tf ! Province of Isabela S3t

17°20' S3tx 17°20' S3tx

S3txf

RATING ARRANGED IN INCREASING SEVERITY OF LIMITATION LIMITING FACTORS Highly Moderately Marginally Not Suitable (S1) Suitable (S2) Suitable (S3) Suitable (N) Water Availability m - no dry months (<75mm) 0 - 3 4 - 6 7 - 9 >9 r - annual average rainfall (mm) > 1500 1200 - 1500 800 - 1200 < 800 S3t Temperature Regime S3t O S3t S3t t - annual average temperature ( C ) 25 - 29 30 - 32 33 - 35 > 35 Tanudan 22 - 24 18 - 21 < 18 ! Terrain s - slope (%) 0 - 3 3 - 8 8 - 18 >18 o - stoniness none slight moderate severe e - erosion none - slight slight - moderate moderate severe i - flooding none - slight slight - moderate severe - Rooting Conditions d - soil drainage class VPD - SPD SPD - MWD WD SED - ED C, SC, SiC; x - soil texture CL, SCL L, SiL, Si SL, LS S SiCL ! h - soil depth (cm) > 50 41 - 50 20 - 40 < 20 Nutrient Availability Moderately High to High Moderately Low Low - f - soil fertility ( MH - H ) ( ML ) ( L )

LEGEND SUITABILITY LIMITING FACTORS AREA DESCRIPTION RATING Moderate Marginal Severe ha % S3t m,f t - 4 07 2.01 S3t m,d,f t - 4 90 2.42 MISCELLANEOUS INFORMATION S3t m,d,x,f t - 5 19 2.57 SOURCES OF INFORMATION : Topographic information taken from NAMRIA Topographic Map at a scale of Note: 1:50,000.Elevation data taken from SRTM 1 arc-second global dataset (2015). Bathymetry information taken from British Oceanographic Centre.Fertility data gathered through the Bureau of Soils and Water Management S3tf m t,f - 5 ,406 26.75 Highly Suitable (S1) - with none to slight limitations for any given use. Slight limitations will not significantly reduce (BSWM) National Soil Sampling and Testing for Fertility and Crop Suitability Assessment project led by the Marginally Suitable productivity or benefit nor raise inputs above an acceptable level. Soils Survey Division (SSD) in 2016. S3tf m,d t,f 7 ,601 37.62 - Moderately Suitable (S2) - with limitations which are moderately severe for sustained application for a given use. 17°10' Users noting errors or omissions in this publication are requested to inform the BSWM,SRDC Bldg.,Elliptical Rd. Limitations will moderately reduce productivity or benefits. Requires increased input to the extent that the overall cor.Visayas Avenue,Diliman,Quezon City, or visit the BSWM website (http://www.bswm.da.gov.ph). S3tf m,d,x t,f 1 ,507 7.46 - advantage to be gained will be inferior to that expected on S1 land. 17°10' Copyright © 2016. All rights reserved to the Bureau of Soils and Water Management. No part of this publication S3tx m,d,f t,x 2 37 1.17 may be reproduced, stored in a retrieval system or published without written consent from the BSWM. - Marginally suitable (S3) - with limitations which in aggregate are severe for sustained application of a given use and will significantly reduce productivity or benefits. Limitations will significantly increase required inputs, that this S3txf m,d t,x,f 4 ,040 19.99 expenditure will only be marginally satisfied. Prepared and produced by the GEOMATICS AND SOIL INFORMATION TECHNOLOGY DIVISION, BSWM. - TOTA L 2 0,207 100.00 Not Suitable (N) - with severe limitations which are difficult to overcome in time or cannot be corrected at currently acceptable cost. Limitations are so severe that prevent successful sustained use of the land in the given manner.

121°0' 121°10' 121°20' 121°30' 121°40'