Crop yields has dropped and the soil has turned acidic as the consequence of overuse of synthetic fertilisers. The process of neutralizing acidic soil by the addition of calcium hydroxide is known as _________
· To neutralize acidic soils, calcium hydroxide, ammonium sulphate, limestone, Hydrated lime etc. are added to the soil.
Which one of the following mineral is the main source of Boron in soils
Last people to adopt new practices and are traditional:
The most suitable irrigation method for horticultural trees is ___
The extension work must be based on the interest of
Kisan Sahayak concept came out from
Extension education was first time started in which country?
There are five stages of adoption, which of the following is not the stage of adoption?
Training and Visit system; a extension approach also called
Laggards contribute about how much % in innovation adaptation curve?
Learning by doing and seeing is believing
