state gov UPSSSC Agriculture Technical Assistant Mock Test 2024 General Knowledge Indian Geography Indian Economic and Human Geography
Which of the statement is NOT true regarding manures and fertilizers?
1
Manures are the natural source of nutrients obtained from cow dung, leaves, human excreta, and other wastes
2
Fertilizers are the substance designed for preventing, destroying, repelling or reducing the pests which are the major cause for the damage of the crops
3
Unlike manures, fertilizers are very expensive and are used in large amounts in farming fields
4
Both manure and fertilizers contain salts and organic chemicals which consist of essential plant nutrients