If in the rice crop field the leaves turn narrow short erect and lemon yellowish and the entire fiel...........

Agriculture and Rural Development (Phase-I/II) Agriculture chemistry

If in the rice crop field, the leaves turn narrow, short, erect, and lemon yellowish and the entire field may appear yellowish, then the rice may be deficient of which nutrient?

Calcium

Potassium

Nitrogen

Phosphorus

Magnesium

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Explanation:

Nitrogen deficiency is the most commonly detected nutrient disorder observed in rice. Old leaves and sometimes all leaves become light green and chlorotic at the tip. Leaves die under severe stress. Except for young leaves, which are greener, deficient leaves are narrow, short, erect, and lemon yellowish. The entire field may appear yellowish. Nitrogen deficiency often occurs at critical growth stages such as tillering and panicle initiation, when the demand for N is large.