Improvement in Crop Yield


What are Macronutrients and Micronutrients?

  • Macronutrients: They are a type of food required in large amounts in the

For example, Carbohydrates, Proteins and Fats.

  • Micronutrients: These are chemical elements or substances required in trace amounts for the normal growth and development of living

For example, Vitamins and Minerals.

Plants that provide us with macronutrients and micronutrients

Nutrients Plants
Carbohydrates Cereals like wheat, rice and maize
Proteins Pulses like grams, peas and lentils
Fats Oilseeds like Mustard, soya bean and groundnuts
Vitamins and Minerals Vegetables and fruits

Which are the types of crops grown in India?

Each crop requires different climatic conditions, sunlight and water content. Depending on these parameters, different crops are grown in different seasons.

  • Kharif crops: These are the crops grown in the rainy season. Examples: Paddy, Soya bean, Maize
  • Rabi crops: These are the crops grown in the winter season. Examples: Wheat, Gram, Mustard, Linseed

What is the threefold plan of agriculture?

Between the period 1916 to 2004, the crop production in India increased fourfold without much deforestation and clearance of land. And this was possible only due to the threefold plan of agriculture.

The major groups of activities for improving crop yields can be classified as:

  • Crop variety improvement: This activity deals with better quality
  • Crop production management: This activity deals with the nurturing of the
  • Crop protection management: This activity deals with the protection and storage of harvested