Quick guide for fertilizing hybrid transplanted rice in

Quick guide for fertilizing hybrid transplanted rice in Oriental Mindoro Early growth Active tillering Panicle initiation Early Heading Harvest Early maturing variety Medium early maturing variety Medium maturing variety -20 -10 0 10 20 30 40 50 60 70 80 90 100 DAT -20 -10 0 10 20 30 40 50 60 70 80 90 100 Fertilizer application scheme (bags/ha) 1 cavan = 55 -57 kg Yield target (based on total fresh weight from the thresher) Days after transplanting (DAT) Step no. Step 1 Step 2 Step 3 Growth stage Early maturing Medium early maturing Medium maturing Early growth 0 – 14 Active tillering 23 – 27 Panicle initiation 33 – 37 24 – 28 35 – 39 28 – 32 43 – 47 Fertilizer source 14 -14 -14 (with S) 130 -150 cavans/ha Early heading 56 – 60 58 – 62 66 – 70 150 -170 cavans/ha Option #1 Option #2 5 bags 6 bags 2 bags Urea (46 -0 -0) 2 bags 1 bag 2. 5 bags MOP (0 -0 -60) 0. 5 bag 17 -0 -17 (with S) Step 4 110 DAT Urea (46 -0 -0) This ‘quick guide’ is applicable for rice fields with: • Sufficient supply of water to avoid drought • An average level of soil fertility • Use of seedlings less than 23 days old • No input of nutrient through deposition of sediment from flooding • No use of organic materials other than rice stubble 1 bag 2 bags 1 bag 4 bags 1 bag For fields with other conditions, use ‘Nutrient Manager for Rice’ to develop a field-specific guideline. Consult the local DA office, Phil. Rice, ATI, Office of the Provincial Agriculturist (OPAg), and MAO in your municipality about use of the ‘Nutrient Manager for Rice’. This is a joint undertaking of DA, Phil. Rice, OPAg, and IRRI Version 1. 0 October 2009 ARTHUR C. YAP Secretary

Quick guide for fertilizing hybrid direct-seeded rice in Oriental Mindoro Early growth Early maturing variety Medium early maturing variety Active tillering Panicle initiation Early Heading 0 10 20 30 40 50 60 70 80 90 100 DAS 0 10 20 30 40 50 60 70 80 90 100 Fertilizer application scheme (bags/ha) Growth stage Step 1 Early growth Step 2 Active tillering Step 3 Panicle initiation Early maturing 12 – 16 24 – 28 35 – 39 Yield target (based on total fresh weight from the thresher) Medium early maturing 12 – 16 28 – 32 43 – 47 Fertilizer source 14 -14 -14 (with S) 130 -150 cavans/ha 58 – 62 66 – 70 150 -170 cavans/ha Option #1 Option #2 5 bags 6 bags 2 bags Urea (46 -0 -0) 2 bags 1 bag 2. 5 bags MOP (0 -0 -60) 0. 5 bag 17 -0 -17 (with S) Step 4 Early heading 110 DAS 1 cavan = 55 -57 kg Days after seeding (DAS) Step no. Harvest Urea (46 -0 -0) This ‘quick guide’ is applicable for rice fields with: • Sufficient supply of water to avoid drought • An average level of soil fertility • No input of nutrient through deposition of sediment from flooding • No use of organic materials other than rice stubble 1 bag 2 bags 1 bag 4 bags 1 bag For fields with other conditions, use ‘Nutrient Manager for Rice’ to develop a field-specific guideline. Consult the local DA office, Phil. Rice, ATI, Office Provincial of the Agriculturist (OPAg), and MAO in your municipality about use of the ‘Nutrient Manager for Rice’. This is a joint undertaking of DA, Phil. Rice, OPAg, and IRRI Version 1. 0 October 2009 ARTHUR C. YAP Secretary