121°50' 122° 122°10'

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

NUTRIENT STATUS MAP : MAGNESIUM ( Key Rice Areas ) PROVINCE OF ° SCALE 1:50,000 0 1 2 3 4

Kilometers Projection : Transverse Mercator Datum : PRS 1992 DISCLAIMER : All political boundaries are not authoritative

L o o k S a m b a n g

S a n R a f a e l B a y

6°40' 6°40'

Lamitan ^

Lantawan !

Isabela City

M a l u s o B a y

Maluso !

!

6°30' 6°30'

Sumisip !

Ungkayapukan !

e o v C u c c b B u

C E L E B E S S E A 121°40' 122° 122°20'

LEGEND

Exchangeable Mg, AREA MAPPING UNIT DESCRIPTION cmol/kg ha % 6 5 18.52 Sufficient >1.0 1 6 4.68 2 48 70.57 Deficient 1.0 and below 2 2 6.23 S U L U S E A

TOTAL 351 100.00

Paddy Irrigated Paddy Non-Irrigated

Area estimated based on field survey, other information from DA-RFO's, MA's, NIA Service Area, NAMRIA Land Cover (2010), and BSWM Land Use System Map

S a n R a f a e l B a y LOCATION MAP Akbar 6°40' ! 6°40' ! 6°20' ^ Zamboanga del Norte 6°20' 20° ! Zamboanga del Sur ! Isabela City 7° 116

LUZON 15° Tuburan Isabela ! City

6°30' BASILAN M a l u s o B a y VISAYAS 10°

Maluso !

Sulu MINDANAO Tipo-Tipo 6° 5° !

121°30' 122° 115° 120° 125°

Al Barka !

CONVENTIONAL SIGNS

Sumisip ROADS BOUNDARY HYDROLOGY ! Ungkayapukan Expressway Regional Rivers / Lake ! Trunk line Provincial Shoreline Primary City PLACES Secondary \ ^ Capital City / City Tertiary Municipal P ! Capital Town / Town Residential

PROVINCE OF BASILAN C E L E B E S S E A

6°20' SCALE 1:200,000 MISCELLANEOUS INFORMATION 6°20' 0 2 4 6 8

SOURCES OF INFORMATION : Topographic information taken from NAMRIA Topographic Map at a scale of Kilometers 1:50,000. Elevation data taken from SRTM 1 arc-second global dataset (2015). Bathymetry information taken from BritishOceanographic Centre.Magnesium status data gathered through the Soil Health Assessment - National Soil Sampling and Testing Project 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) in 2017.

Users noting errors or omissions in this publication are requested to inform the BSWM, SRDC Bldg., Elliptical Rd., cor. Visayas Avenue, Diliman, Quezon City, 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. 121°40' 122° 122°20'

121°50' 122° 122°10'