Table 3 Number of studies per country in the review
From: How does tillage intensity affect soil organic carbon? A systematic review
Continent | Study country | Number of studies |
|---|---|---|
Africa | Morocco | 2 |
Africa | South Africa | 1 |
Asia | China | 1 |
Asia | Syria | 1 |
Australasia | Australia | 21 |
Australasia | New Zealand | 1 |
Europe | Spain | 42 |
Europe | Germany | 17 |
Europe | Denmark | 7 |
Europe | Italy | 6 |
Europe | Finland | 4 |
Europe | UK | 4 |
Europe | France | 3 |
Europe | Sweden | 3 |
Europe | Switzerland | 3 |
Europe | Czech Republic | 2 |
Europe | Lithuania | 2 |
Europe | Austria | 1 |
Europe | Belgium | 1 |
Europe | Ireland | 1 |
Europe | Norway | 1 |
Europe | Poland | 1 |
Europe | Serbia | 1 |
Europe | Slovakia | 1 |
Europe | Ukraine | 1 |
North America | USA | 142 |
North America | Canada | 46 |
South America | Brazil | 25 |
South America | Argentina | 6 |
South America | Uruguay | 3 |
South America | Chile | 1 |