It is sometimes stated that loudness is a subjective measure, often confused with physical measures of sound strength such as sound pressure, sound pressure level (in decibels), sound intensity or sound power.
The main food crops are barley, corn, potatoes, sugar beets, and wheat.. The Netherlands produces a variety of other crops, including tomatoes and other warm-weather foods which are grown in hothouses.
Although the Netherlands does not collect official data on imports of certified organic products, it is a major importer. Dutch companies play an important role in import/export trade and large quantities (up to 80 percent) are re-exported, mostly to other European countries.