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NUTRISYON · KATAMTAMAN NA EBIDENSYA

Zinc deficiency

Kulang sa zinc

Zinc deficiency may cause stunting and leaf discoloration, but symptoms overlap with iron toxicity, tungro, drought and other nutrient issues. Soil and water context matter.

Aktuwal na rice research plots na may iba’t ibang moisture at nutrient treatments.
Larawan ng rice field experiment sa saline Vertisols. Field-context reference ito lamang; hindi ipinapakita ang partikular na zinc-deficiency symptom. Photo credit: Amrut Morade · CC BY-SA 4.0. Source ↗
KATEGORYANutrisyon
BAHAGIDahon, Suwi, Ugat
CROP STAGEPunla, Maagang pagsusuwi
EBIDENSYAKatamtaman

Ganito ba ang nakikita mo?

Huwag umasa sa iisang kulay o larawan. Suriin ang magkakaibang halaman, crop stage, field pattern, water condition at recent na gawain sa bukid. Mas kapaki-pakinabang ang close-up kasama ng larawan ng buong halaman at apektadong bahagi ng plot.

  • Look for stunting and rusty-brown discoloration, often affecting young crop; symptoms vary by soil and water.
  • Compare with tungro (possible leafhopper/vector and patch pattern), iron toxicity (often lower leaves/soil-related) and root stress.
  • A soil/plant test or technician assessment is preferable before zinc application.

Baka iba ito

May mga problemang magkahawig. Ang pagkakaiba ay maaaring nasa hugis ng lesion, bahaging unang tinamaan, crop stage, field pattern o direktang palatandaan ng pest.

LOOK-ALIKEIron toxicity

Bronzing, brown spotting and reduced growth can occur, often with field areas tied to soil/water conditions.

LOOK-ALIKERice tungro

Puwedeng may yellow-orange discoloration, stunting at reduced tillering; magkaiba ang intensity sa variety at infection time.

LOOK-ALIKEPhosphorus deficiency

Ihambing ang crop stage, field pattern at direct sign bago gumawa ng konklusyon.

LOOK-ALIKEDrought / water stress

Check water depth/soil moisture and whether symptom severity follows raised sections, field tail or irrigation order.

Kailan at saan lumalabas?

Mga yugto: Punla, Maagang pagsusuwi.

Risk depends on soil type, pH, water regime and nutrient interactions; do not diagnose from color alone.

Hindi nagtatakda ang Kapalay ng eksaktong temperature, rainfall o season threshold kung wala itong mapagkakatiwalaang source. Magkaiba ang risk kada lugar, variety, patubig at crop management.

Ano ang gagawin ko ngayon?

  1. Photograph affected and healthy plants side by side; include whole-field pattern and roots if possible.
  2. Check planting age, water level, soil history and fertilizer records.
  3. Seek MOET/soil or plant diagnosis before applying a corrective product.

Action threshold: Walang sapat na verified action threshold sa Kapalay para sa partikular na bukid na ito.

Non-chemical at IPM

Hindi pare-pareho ang non-chemical option sa bawat problema. Ang “non-chemical” ay hindi awtomatikong ibig sabihin ay certified organic input.

  • Use local diagnostic tools and a nutrient plan; correct water management only when advised.

Mga dapat iwasan

  • Huwag gumamit ng dose mula sa lumang FAQ o random post nang hindi tinitingnan ang current local advice and product label.

Kung iniisip ang chemical

Hindi nagrerekomenda ang Kapalay ng produkto o dosage para sa problemang ito sa current batch. I-confirm muna ang target at tingnan ang kasalukuyang FPA registration, registered crop/target at mismong product label. Magkakaiba ang dosage ayon sa formulation; huwag mangopya ng rate mula sa ibang produkto.

Buksan ang FPA Registered Products ↗ · Banned/restricted products ↗

Kung may exposure o pagkalason, humingi ng agarang tulong sa emergency/health service; huwag umasa sa improvised home treatment.

Paano hindi maulit sa susunod na tanim?

  • Record soil conditions and nutrient history for each plot.
  • Use site-specific nutrient advice rather than a universal zinc recipe.

Itala ang petsa, crop stage, lote, variety, tubig, weather, input, larawan at follow-up sa farm journal. Ang history ay nakakatulong maghambing, pero trend lang ang dapat sabihin kapag may aktuwal na records.

Mag-diagnose ng ibang sintomas

Kailan hihingi ng tulong?

  • Mabilis na kumakalat o maraming plot ang apektado.
  • Hindi mo matukoy kung sakit, peste, nutrient, tubig o chemical injury.
  • May malaking crop damage o paulit-ulit na treatment failure.
  • May pesticide exposure o posibleng unsafe application.

Dalhin ang close-up at whole-plant photos, crop stage, field map/location, variety, dates, water condition at product label sa technician.

Mga pinagkunan

Ang evidence status ay tumutukoy sa source coverage sa profile na ito; hindi ito official diagnosis label.

IRRI Rice Knowledge BankRice Doctor ↗

Symptom-based differential support.

Sinuri: 23 Oktubre 2026