With reference to micro-irrigation, which of the following statements is/are correct? 1. Fertilizer/nutrient loss can be reduced. 2. It is the only means of irrigation in dry land farming. 3. In some areas of farming, receding of ground water table can be checked.

Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land?

Government of India encourages the cultivation of 'sea buckthorn'. What is the importance of this plant?

Consider the following agricultural practices: 1. Contour bunding 2. Relay cropping 3. Zero tillage. In the context of global climate change, which of the above helps/help in carbon sequestration/storage in the soil?