pH-ga ciidda (0–14) waxay saamaysaa heli karaanka nafaqada — xitaa hadii bacrinta dhulka ku jirto, dhirtu ma soo qaadi karaan haddii pH-gu khalad yahay. 90% dalagga waxay rabaan pH 6.0–7.5.Soil pH (0–14) controls nutrient availability — even if nutrients are in the soil, plants can't absorb them at the wrong pH. 90% of crops want pH 6.0–7.5.pH يتحكم بتوفر المغذيات.pH huongoza upatikanaji.
pH-ga DalaggaCrop pH Preferencesتفضيلات المحاصيلpH Kwa Mazao
- pH 5.5–6.5 — baradhada, blueberry, cassava.pH 5.5–6.5 — potato, blueberry, cassava.5.5–6.5.5.5–6.5.
- pH 6.0–7.0 — yaanyada, galleyda, basasha, kaabash.pH 6.0–7.0 — tomato, maize, onion, cabbage.6.0–7.0.6.0–7.0.
- pH 6.5–7.5 — basbaaska, brinjal, bariis.pH 6.5–7.5 — pepper, eggplant, rice.6.5–7.5.6.5–7.5.
- pH 7.0–8.0 — qamadiga, masaggada, cambaha.pH 7.0–8.0 — wheat, sorghum, mango.7.0–8.0.7.0–8.0.
Tijaabinta pH-gaTesting pHقياس pHKupima pH
Habab: 1) pH strips (qiimo $5–$15) — sax 80%. 2) Digital pH meter ($30–$80) — sax 95%. 3) Shaybaadhka — ugu fiican, soo bandhig nuxurka. Tijaabin labadii sannadood, gaar ahaan ka dib mar kasta oo aad bacriminayso.Methods: pH strips ($5–$15, 80% accurate), digital meter ($30–$80, 95% accurate), or laboratory (best). Test every 2 years, especially after heavy fertiliser use.اختبر كل سنتين.Pima kila miaka 2.
Sax-haynta pH-gaCorrecting pHتصحيح pHKurekebisha
- Hoose (acidic): ku dar agricultural lime (CaCO₃) 1–4 t/ha si pH-ga loo kiciyo.Too acidic: apply agricultural lime (CaCO₃) 1–4 t/ha to raise pH.حمضي — جير.Asidi — chokaa.
- Sare (alkaline): ku dar elemental sulfur (S) 200–1,000 kg/ha + organic matter.Too alkaline: apply elemental sulphur (S) 200–1,000 kg/ha + organic matter.قلوي — كبريت.Alkali — sulfuri.
- Compost iyo manure waxay si dabacsan ah pH-ga u dhowadaan dhanka neutral.Compost and manure gently buffer pH toward neutral.الكمبوست يثبت pH.Mboji hudumisha pH.
Khalad: Bedellid Aad Dhakhso ahPitfall: Sudden Changeخطأ شائعHatari
Ha isku dayin inaad pH-ga ku bedesho hal mar 1.0 in ka badan. Beddelka degdega ah waxay khaaribta nolosha microbial-ka oo ay sababtaa cudurro. Beddel tartiib ah 2–3 sano gudahood.Don't try to change pH by more than 1.0 at a time. Sudden shifts kill microbial life and trigger disease. Make changes gradually over 2–3 seasons.غير تدريجياً.Badilisha taratibu.