Which country launched the first artificial satellite,

Blue chaff disease of oats is due to deficiency of:

Gresham’s law states that: 

Choose the correct option

Statement I: Growth respiration provides energy and products for synthesis of structural and storage compounds.

Objectionable weed for seed production of wheat is:

Which of the following is the advantage of zero tillage?

Based on EC, irrigation water is classified (CSSRI classification) into________ classes

The tree which is known for its scarlet red flowers and is commonly used as an ornamental tree for shade and hedges due to its spines

Agronomic method of controlling soil erosion are employed if the slope is…………………

What is the main advantage of using a drip irrigation system over conventional surface irrigation in horticultural crops?