Read the following statements.
(i) Irrigation protects the crops from both frost and hot air currents.
(ii) Plants can absorb nutrients mostly in dissolved form.
(iii) Excessive use of chemical fertilizers disturbs the balance of nutrients in the soil.
(iv) The process of loosening and turning the soil is called digging(or leveling)
(v) Rabi crops, such as paddy, require a lot of water and therefore they are sown at the beginning of the south-west monsoon, during June or July.
Select the incorrect combination of statements.