Question

Nitrogen deficiency of soil can be removed by

• A. Manuring
• B. Broadcasting
• C. Transplantation
• D. Applying Urea

Answer 1

The correct option is D

Applying Urea

The correct option is D:

Explanation of the correct option :

1. Nitrogen deficiency can be corrected by applying either organic or inorganic fertilizers, but nitrate or ammonium-based fertilizers work the most quickly.
2. Nitrogen deficiency of soil can be removed by applying urea.
3. Any general-purpose “grow” formula will usually provide enough nitrogen to correct major deficiencies.
   

Explanation of the incorrect option:

Option A:

1. Manure is the decomposed form of dead plants and animals, which is applied to the soil to increase production.
2. It is a natural form of fertilizer and is cost-effective.
3. The human and animal excreta is also used as manure.
4. The livestock manure is rich in nitrogen, phosphorus, and potassium.

Option B:

1. Broadcast planting is the method of sowing seeds by scattering them over the surface of the soil.
2. In this process, the seeds are scattered on the seedbeds either mechanically or manually.
3. In the broadcasting method of sowing, the seeds are spread uniformly and are then covered with planking.

Option C:

1. The technique of moving a plant from a place where it has been growing and replanting at another site during the growing season is called transplantation.
2. This method is widely used in horticulture.
3. Tomato and paddy are some of the common examples of crops mainly grown by transplantation.

Final answer: Nitrogen deficiency of soil can be removed by applying urea.