Improvement In Food Resources — Science STD 9 — Question
Gujarat BoardEnglish MediumSTD 9ScienceImprovement In Food Resources2 Marks
Question
What are fertilizers? Classify fertilizers.
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Answer
Fertilizers: Fertilizers are one of the major components for obtaining higher yields especially in expensive.
farming practices. Fertilizers are divided into following four groups:
Nitrogenous fertilizers:These fertilizers supply the macronutrient nitrogen.
Example: Urea, $CO(NH_2)_2$.
Potassic fertilizers:These fertilizers supply potassium which is one of the essential macronutrient of the plants.
Example: Potassium sulphate,$ K_2SO_4.$
Complex fertilizers: These fertilizers contains two or more nutrients.
Example: Nitrophosphate.
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