Monthly Philippine Agro-climatic Review and Outlook

April 2022

04

  • During the month of April, the weather systems that affected the country were the shear line, intertropical convergence zone (ITCZ), low pressure area (LPA), tropical cyclone, northeasterly windflow, easterlies, and localized thunderstorms.
  • Two (2) tropical cyclones were developed inside the Philippine Area of Responsibility (PAR): TS Agaton (9-12 April 2022) and TY Basyang (12 April 2022). Significant amount of rainfall was observed over Visayas, Bicol Region, Davao Region, and Caraga due to TS Agaton which resulted to flooding/ flashflood and landslide. Rainfall was also experienced in most areas of Visayas and Mindanao during the month due to the ITCZ.
  • Above normal rainfall condition was generally experienced in most parts of the country except in Batanes and Ilocos Norte with below normal rainfall condition, and in Bataan, Nueva Ecija and Pampanga with way below normal rainfall condition (Figure 1). Visca, Leyte Agromet Station recorded the highest total monthly rainfall (1199.4 mm), followed by Borongan Synoptic Station (1039.4 mm) and PSPC, Mambusao Agromet Station (709.4 mm).
• Derived Soil Moisture Condition (rainfed areas): o Wet – Quezon, Sorsogon, Albay, Capiz, Negros Occidental, Cebu, Northern Samar, Samar, Eastern, Samar, Southern Leyte, most areas in Zamboanga del Norte, most of Northern Mindanao, Davao del Norte, Caraga and BARMM o Moist – Aurora, Zambales, Most areas in Palawan, Camarines Norte, Iloilo, Leyte, rest of Zamboanga Peninsula, rest of Northern Mindanao and Davao del Sur o Dry – rest of the country
• Generally, slightly cooler to cooler than average surface temperatures were generally felt in most parts of the country (Figure 2). San Jose, Occidental Mindoro Synoptic Station recorded the highest maximum temperature of 37.5°C (April 21) while the coldest temperature of 13.1°C was recorded in BSU La Trinidad, Benguet Agromet Station (April 9).
• La Niña Advisory #7 was issued. La Niña is still present in the Tropical Pacific and has started to weaken. It is likely to continue through June-July-August 2022 period (~53% chance) and an ENSOneutral condition is favored thereafter.
• DOST-PAGASA began to issue Heat Index monitoring and forecast information which can be accessed online thru: https://bagong.pagasa.dost.gov.ph/climate/climate-heat-index

• During the month of April, the highest computed heat index recorded was 54⁰C on 22 April 2022 in Dagupan City, Pangasinan followed by Sangley Point, Cavite with 48⁰C on that same day and Aparri, Cagayan with also 48⁰C on 28 April 2022; Catbalogan, Western Samar with 47⁰C on 16 April 2022; and Laoag City, Ilocos Norte with 46⁰C on 29 April 2022
Land and Seedbed Preparation (including preparation for garden plot, urban gardening, and upland farms), (irrigated and rainfed farms)
  • For rice and corn - Being done over Ilocos Region, Cagayan Valley, Cordillera Administrative Region (CAR), Central Luzon, MIMAROPA, Northern Mindanao, SOCCSKSARGEN and Caraga
  • For other cash crops - Being done mostly in Cagayan Valley, CAR, Central Luzon, National Capital Region (NCR), CALABARZON, MIMAROPA, Bicol Region, Western Visayas, Central Visayas, Zamboanga Peninsula, Northern Mindanao, Caraga, SOCCSKSARGEN, and Bangsamoro Autonomous Region of Muslim Mindanao (BARMM)
  • Planting and Transplanting (broadcasting / direct seeding – for rice, corn, conventional
  • way/ by rows - other cash crops)
  • Type I Climate (western parts of Luzon, Mindoro, Negros and Palawan) – dry season corn, batao, patani, soybean, mustard, cadios, seguidillas, tomato, okra, eggplant, green onion, pechay, string bean, lettuce, chili, spring onion, ampalaya, cucumber, bountiful beans, squash and turnips
  • Type II Climate (Catanduanes, Sorsogon, eastern part of Camarines Norte and Camarines Sur, eastern part of Quezon and Aurora, eastern part of Leyte and eastern part of Northern Samar, and large portion of eastern Mindanao) – rice, corn, batao, bountiful beans, mungo, patani, seguidillas, lettuce, cucumber, eggplant, melon, muskmelon, okra, patola, squash, tomato, sweet potato, gabi, ginger, radish, ubi, cassava, carrot, kutchai cowpea, cadios, pechay, chayote, garlic, onion, bell pepper, upo
  • Type III Climate (western part of Cagayan, Isabela, Nueva Vizcaya, east of Mt. Province, southern Quezon, Bondoc Peninsula, Masbate, Romblon, northeast Panay, eastern Negros, central and southern Cebu, part of northern Mindanao, and most of eastern Palawan) – rice, corn, peanut, peas, lettuce, upo, cabbage, sweet potato, sweet peas, broccoli, potato, ubi, chayote, patola, squash, gabi, ginger, radish, garlic, onion, spinach, carrot, okra, tomato, pepper, Chinese cabbage, eggplant, taro, mushroom, seguidillas, cucumber, muskmelon, melon, cassava
  • Type IV Climate (Batanes provinces, northeast Luzon, western Camarines Norte and Camarines Sur, Albay, eastern Mindoro, Marinduque, western Leyte, northern Negros, and most of central and southern Mindanao) – rice, corn, peas, cauliflower, pechay, upo, watermelon, spinach, jute, okra, patola, squash, tomato, upo, gabi, ginger, radish, garlic, onion, carrot, chili, ampalaya, mustard, sweet potato, ubi, chayote, lettuce, bell pepper, banana, seguidillas, cucumber, muskmelon, melon.
  • Vegetative Stage (tillering, head development)
  • Rice and corn – in different farm areas in the MIMAROPA, Western Visayas, Davao Region, Caraga and BARMM
  • eggplant, ampalaya, upo, okra, onion, carrot, pepper, cucumber, radish, cabbage wombok, squash, patola, chayote, sugar cane, tomato, chili, tomato, pechay, mustard, gabi, ginger.
  • Flowering Stage (Heading – rice; Tasseling/Silking – corn)
  • Rice and corn - Central Visayas, Zamboanga Peninsula, Davao Region, SOCCSKSARGEN, Caraga, and BARMM
o Fruit and other high value crops such as mango, papaya, eggplant, banana, ampalaya, upo, pepper, tomato, squash, patola
  • Maturing/Ripening/Harvesting Stage – some rice and corn areas in Ilocos Region, Cagayan Valley, Central Luzon, CALABARZON, MIMAROPA, Bicol Region, Western Visayas, Central Visayas, Eastern Visayas, Davao Region, and Caraga
Luzon:
  • rice, corn, mango, watermelon, papaya, pechay, bountiful beans, lettuce, eggplant, star apple, camote tops, calamansi, malunggay, banana, turnip, melon, fern leaves, ampalaya, upo, okra, onion, coconut, sweet potato, cassava, tapilan, spinach, carrot, pepper, string beans, tomato, cucumber, radish, cabbage wombok, celery, onion leek, potato, cauliflower, brocolli, sugar beet, garlic, ginger, squash, patola, pineapple, kulis, mustard, marble potato, chayote, cashew
Visayas:
  • rice, corn, sugarcane, mungo, watermelon, cucumber, squash, string bean, lettuce, kangkong, camote tops, fern leaves, sweet potato, cassava, taro, eggplant, tomato, pepper, upo, ampalaya, okra, onion, pechay, coconut, papaya, avocado, pineapple, banana, mango and other seasonal fruits
Mindanao:
rice, corn, papaya, coconut, pomelo, mango, jackfruit, banana, watermelon, melon, pineapple, durian, okra, chayote, squash, ampalaya, sweet potato, cauliflower, eggplant, string bean, carrot, radish, pechay, lettuce, cucumber, cassava, onion, marang, guyabano, tomato, green onion, avocado, gabi, chili, mungo, bountiful beans, peanut, potato, broccoli

Farm Operations:
  • Watering of plants
  • Fertilizer application
  • Removal of weeds
  • Pest and disease management
  • Spraying of fungicide for blight prevention
  • Removal of weeds
  • Threshing, milling and drying of rice and corn
  • Milling of sugarcane
  • Delivery of fresh produced in the market
  • Irrigation using pump
  • Copra making
  • Cleaning and clearing of heavily damaged farm areas by TS “Agaton”
In this time of COVID-19 pandemic, the agricultural technicians, farmers, and farm enthusiasts may continue to share and browse some tips and additional knowledge on potential crop production, early warning for pests and diseases infestations and water management strategies for specific areas by visiting the website of SARAI project (https://sarai.ph) and search KlimAgrikultura by ACIAR project. For daily farm weather and climate conditions, they can also visit PAGASA website (http://bagong.pagasa.dost.gov.ph/)

  • The weather systems that will likely affect the country during the month of May are the localized thunderstorms, Intertropical convergence zone (ITCZ), low pressure areas (LPAs), ridge of high-pressure area, easterlies, and one tropical cyclone (TC) may enter or develop inside the Philippine Area of Responsibility (PAR
    • Most parts of Luzon and some areas in Mindanao are likely to have warmer than average temperatures while the remaining areas of the archipelago are expected to have below average to slightly above average surface air temperatures (Figure 5).
    • Luzon will have extreme temperature range of 15.0ºC – 29.4ºC for upland farms while 18.0ºC – 40.6ºC for other farms in Luzon; the lowland farms in Visayas will have 20.0ºC – 37.9ºC; and the upland farms in Mindanao will have 15.7ºC – 36.5ºC and 20.9ºC – 38.4ºC for lowland farms.
    • La Niña is restrengthening and is likely to continue until the June-August 2022 season (59% chance), with a 50-55% of La Niña to continue thereafter
    • PAGASA will continue to closely monitor the climate conditions that may affect the country and updates shall be issued as appropriate. For further information, please contact the Climatology and Agrometeorology Division (CAD) at telephone number 8284-0800, local 905
  • Near normal rainfall condition is expected in most parts of the country except in Bataan, Occidental Mindoro, Negros Oriental and Siquijor which are likely to experience above normal rainfall (Figure 4
  • Most parts of Luzon and some areas in Mindanao are likely to have warmer than average temperatures while the remaining areas of the archipelago are expected to have below average to slightly above average surface air temperatures (Figure 5).
  • Luzon will have extreme temperature range of 15.0ºC – 29.4ºC for upland farms while 18.0ºC – 40.6ºC for other farms in Luzon; the lowland farms in Visayas will have 20.0ºC – 37.9ºC; and the upland farms in Mindanao will have 15.7ºC – 36.5ºC and 20.9ºC – 38.4ºC for lowland farms.
  • La Niña is restrengthening and is likely to continue until the June-August 2022 season (59% chance), with a 50-55% of La Niña to continue thereafter
PAGASA will continue to closely monitor the climate conditions that may affect the country and updates shall be issued as appropriate. For further information, please contact the Climatology and Agrometeorology Division (CAD) at telephone number 8284-0800, local 905.
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ROSALINA G. DE GUZMAN
OIC, CAD