Propagation of ginger is generally done using

Which one of the following conditions is not essential to grow maize?

Which of the following statement is not true for organic manure?

The term used for the process of separation of grains from chaff is

Read the statements given below.

(i) seeds require moisture for germination

(ii) plants can absorb nutrients mostly in dissolved form

(iii) irrigation protects crops from both frost and hot air currents

(iv) irrigation improves soil texture

Choose the combination of statements which indicate the need to irrigate crops.