Monthly Philippine Agro-climatic Review and Outlook

September 2019

9

  • During the 1st decade of September 2019, TY “Liwayway” and southwest monsoon brought cloudiness and scattered rainshowers and thunderstorms in Ilocos Region, CAR, and Cagayan Valley while generally better weather condition was experienced for the rest of the country. On the 2nd decade of the month, the central and southern Luzon, Visayas, and Zamboanga Peninsula experienced cloudy skies with scattered rainshowers and thunderstorms while TD “Marilyn” and TS “Nimfa” enhanced the southwest monsoon. On the last decade of the month, southwest monsoon affected the Central and Southern Luzon while northeasterly surface windflow prevailed over Northern Luzon. Moreover, TD “Onyok” brought cloudiness with scattered rainshowers and thundertsorms in Bicol Region and Eastern Visayas. The rest of the archipelago had partly to cloudy skies with isolated rainshowers and thunderstorms.
  • Generally, the country experienced moderate to strong winds from northeast over Luzon while light to moderate winds from southwest over Visayas and Mindanao. Moderate to strong winds from southwest were experienced due to the passage of tropical cyclones.
  • ENSO-neutral condition is expected to persist through the remaining months of this year.
  • Derived Soil Moisture Condition (rainfed areas):
  • Dry – Infanta, Alabat, Mindoro, Masbate, Negros Occidental, Region 7, Rest of Region 8, Region 9, Misamis Oriental, Davao del Norte, SOCCKSARGEN, Region 13
  • Moist – Tayabas, Romblon, Sorsogon, Camarines Norte, Rest of Region 6, Catbalogan, Bukidnon, Davao, ARMM
  • Wet – Region 1, CAR, Region2, Region 3, NCR, Rest of Region 4A, Rest of Region 4B, Rest of Region 5
  • The coldest areas in the upland farms, were in Baguio City at 16.20C and in Bukidnon at 180C. Whereas, in lowland farms the coldest minimum temperature of 210C in Rizal and in Mindoro was experienced.
  • The warmest areas with an observed maximum temperature in the upland was in Bukidnon at 33.50C. The lowland farm has reached 36.50C maximum temperature in Tacloban, Leyte.
  • Land Preparation: Rice & Corn: Irrigated and rainfed fields/ Vegetable farms/plot gardens – in selected farm areas still on-going.
  • Planting (broadcasting / direct seeding- for rice, conventional way/ by rows - other crops)
  • Type 1 climate – Rice (irrigated and rainfed), corn, peanut, cow pea, mungo, soy beans, tapilan, sitao, beets, watermelon, carrot, cassava, celery, cauliflower, garlic, lettuce, onion, patola, pechay, radish, sincamas, tomatoes, ampalaya, eggplant, gabi, lettuce, melon, muskmelon, mustard, sweet pepper, ubi, upo, cabbage, garlic, ginger, okra, tobacco, talinum, sesame (in selected areas of the western parts of Luzon, Mindoro, Negros and Palawan)
  • Type II climate – Rice (lowland-irrigated, rainfed, upland, palagad), tapilan, seguidillas, sitao, eggplant, mustard, okra, derris, pechay, sesame, tomatoes – (in selected areas of Catanduanes, Sorsogon, eastern part of Camarines norte and Camarines Sur, eastern part of Quezon and Aurora, eastern part Leyte and eastern part of northern Samar, large portion of eastern Mindanao)
  • Type 111 climate – Rice (irrigated lowland, upland rainfed), cauliflower, condol, eggplant, okra, corn(dry season), rainy season, peanuts, sweet pepper, eggplant, derris, talinum, tomatoes, upo, watermelon, pechay, radish, squash, tapilan, beets, cotton, cucumber, celery, garlic, lettuce, melon, onion, chayote, cabbage, carrot, patola, potato, sincamas, talinum, upo, watermelon, - (in selected areas in western part of Cagayan, Isabela, Nueva Viscaya, east of Mt. Province, southern Quezon, Bondoc peninsula, Masbate, Romblon, Northeast Panay, eastern Negros, central and southern Cebu, part of northern Mindanao, most of eastern Palawan).
  • Type 1V climate – Rice (lowland irrigated, rainfed, upland), corn(dry season), peanut, beets, celery, carrots, okra, ubi, patola, squash, soybeans, monggo cadios, peanuts, sweet peppers, eggplant, sweet potatoes, ampalaya,, sitao, radish, gabi, sincamas and arrowroot (in selected areas of 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.)
  • Establishment Stage (germination, pre-emergence, seedling, transplanting) – Rice and Corn (irrigated, upland and rainfed), talinum, celery, carrots, okra, ubi, patola, soybeans, mungo, cadios, peanut, cucumber, radish, sweet potatoes, eggplant, sweet pepper, ampalaya, sitao, squash, radish, gabi, sincamas and arrowroot - in selected farm areas of the country
  • Vegetative Stage (tillering, head development) - Rice (irrigated lowland, upland rainfed) corn, rainy season, peanuts, sweet pepper, eggplant, squash, patani, tapilan, peas, okra - in most farm areas of the country
  • Flowering Stage (heading – for rice) (tasselling and silking – for corn) – Rice and corn in most of the farm areas in Ilocos region, Central Luzon, Mindoro, Palawan, Bicol region, western and eastern Visayas, Bohol, Davao, SOCCSKSARGEN, northern Mindanao and Surigao farm areas.
  • Yield Formation / Grain Fixing Stage - Rice and corn in most of the farm areas in Ilocos region, Central Luzon, Mindoro, Palawan, Bicol region, western and eastern Visayas, Bohol, Davao SOCCSKSARGEN, northern Mindanao and Surigao farm areas.
  • Maturing/Ripening Stage –– Rice and corn in most of the farm areas in Ilocos region, Central Luzon, Mindoro, Palawan, Bicol region, western and eastern Visayas, Bohol, Davao and Surigao farm areas. Ripening of mangosteen, rambutan, mangoes, papaya, durian, jack fruit, dragon fruit, pineapple, banana, duhat, and guyabano, most of leafy and fruit vegetables like ampalaya, eggplant, patola and tomatotes –most parts of the country.
  • Harvesting:
    • Rice, corn, fruit trees, fruit vegetables & leafy vegetables, root crops – tomatoes, eggplant, okra, squash, string beans, carrots, ampalaya, cabbage, mustard, pineapple, cauliflower, sweet peas, broccoli, papaya, mangoes, avocado, pomelo, ginger, onions, celery, guyabano, siniguelas, mangosteen, rambutan, mangoes, papaya, durian, jack fruit, dragon fruit, pineapple, banana, duhat, guyabano banana, upo, watermelon, potatoes, kutchai, patola, sweet pepper, peanuts, cassava, sweet potatoes, pechay, lettuce, radish, and spinach– most farm areas in the country
  • Farm Operations:
  • Harvesting, weeding, fertilizer application, cultivation, watering activities, delivery of goods in the market, transplanting and planting – on-going in most farms of the country.
  • Clearing of debris brought by tropical disturbance, cleaning of farm areas, draining of overflowed farms, renovation of farm structures destroyed by heavy rains – in areas affected by the weather disturbance.
During the month of October, the ITCZ starts to oscillate across the northern part of Mindanao with southerly direction. Southwest monsoon will slowly start to dissipate. Thus, the transition from southwest monsoon to northeast monsoon is expected. Normally at this month, the north pacific trade winds are gaining momentum, although they are not yet at full strength. The typhoons have an almost east-west direction and mostly but not all are centered just south of Luzon.
  • Rainfall will be near normal conditions in most parts of the country. Moist to wet soil condition will prevail in most parts of the agricultural land throughout the archipelago,
  • Two or three tropical cyclones are expected to enter the PAR.
  • Temperature range for upland farms will be 14ºC – 33ºC and 24ºC - 36ºC for lowland farms.
  • Relative Humidity will be from 60% to 100%.
  • ENSO-neutral condition is expected to continue until December of this year.
MA. FE. E. VILLAMORA
OIC, FWSS, CAD



EDNA L. JUANILLO
Chief
Climatology and Agrometeorology Division (CAD)

All Figures are courtesy of CLIMPS