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10Fertilizer is a compound that supplies essential nutrients to plants.
Fertilizers are used only when soil is naturally fertile.
Organic fertilizers are formed from decaying plants and animals.
Compost manure is an example of inorganic fertilizer.
Green manure is prepared by directly burying green plants in soil.
Chemical fertilizers are also called inorganic fertilizers.
Nitrogen fertilizers help in protein formation in plants.
Phosphorus deficiency strengthens the immune system of plants.
Potassium is found naturally in ash.
Excessive use of chemical fertilizer can harm soil quality.
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Which substance is used to fulfill nutrient deficiency in soil?
Which of the following is an organic fertilizer?
Green manure is formed by the decay of:
Which fertilizer provides nitrogen to plants?
Which nutrient helps in photosynthesis?
Which fertilizer helps in root growth?
Which of the following is a potassium fertilizer?
Which effect is caused by potassium deficiency?
Chemical fertilizers are mainly produced by:
Which is a disadvantage of chemical fertilizer?
The compound that supplies nutrients to plants is called ______.
Fertilizer increases the ______ of soil.
Compost manure is formed by ______ organic matter.
Green manure is prepared from ______ plants.
Inorganic fertilizers are also called ______ fertilizers.
Urea is a ______ fertilizer.
Phosphorus helps in the development of ______.
Potassium strengthens the ______ of plants.
Yellowing of leaves is a symptom of ______ deficiency.
Chemical fertilizers are easily soluble in ______.