Indian police used tear gas and pepper spray against dozens of farmers who began marching from Punjab state along a key highway to Delhi on Friday to demand better prices for their crops.
Thousands of farmers protested at Britain's parliament on Tuesday, some driving tractors through central London, to demand the scrapping of an inheritance tax that they say will destroy family farms and threaten food production.
Farmers will protest across France on Monday as the prospect of a trade deal between European and Mercosur countries sharpens discontent over foreign competition that fuelled a farming crisis earlier this year.
European farmers started protests against the EU-Mercosur free trade deal on Wednesday, saying increased South American imports will hurt the European Union's agriculture, and the largest French farm union called for nationwide actions from Monday.
European Union member states can increase the funds they pay to farmers, the European Commission said on Friday, after protests by farmers earlier in the year forced policymakers to scale back climate rules.
Hundreds of farmers from across Australia held a protest on Tuesday against government farming policies they said were influenced by environmental and animal welfare activists and which were harming their livelihoods.
Farmers drove hundreds of tractors into Brussels on Tuesday to protest against the European Union's environmental policies, but the action was shunned by mainstream farming groups who said it did not reflect their members' concerns.
Spanish and French farmers blocked roads along the border through the Pyrenees mountains on Monday ahead of European Parliament elections to protest against what they say is unfair competition from outside the European Union.
Poland has become a hotspot for protests that sprang up across Europe as farmers railed against cheap imports from the war-torn country, as well as restrictions placed on them by the EU's "Green Deal" to tackle climate change.