What kind of survey is it? The crop farming survey provides data about areas under cultivation and harvested areas of agricultural crops, production and yield, fertilisers, organic farming, liming, seed use, and autumn sowings of winter crops. A large part of the data are obtained from registers (for example, data on areas under cultivation are received from the Agricultural Registers and Information Board, and data on harvested areas and production are obtained from the electronic field book in e-ARIB), and the rest are collected from respondents with the survey. Why are these data needed