A flurry of generous election promises to rural Australia has seen the coalition surge ahead of Labor in the popularity stakes with farmers.

In its final election scorecard, the National Farmers' Federation (NFF) has thrown its support behind the coalition's agriculture policy, which was beefed up in a number of major announcements last week.

The NFF has awarded the coalition's updated policy 13.5 stars out of a possible 25, up six on its last assessment two weeks ago.

It outstrips Labor, which was given an unchanged eight-star rating despite the release of its "Fair go for Farmers" policy.

NFF president Duncan Fraser said it was great to see agriculture finally make it onto the policy agenda for the major parties.

"This scorecard shows that one party in particular , the coalition, has responded positively to the key priorities set by the NFF, our members and Australian farmers," he said in a statement.

Until last week the coalition had provided little detail on its vision for rural Australia.

But Thursday's pledge to increase funding for rural research and development (R&D) by $100 million got a big tick of approval from the NFF.

Other commitments, including $2.2 million for native title and a promise for an agricultural white paper, also won favour.

Labor had no such luck, with the NFF calling its proposals to help finalise the retail code of conduct a "minor announcement" with no new money.

The Australian Greens couldn't shift from third place, with a commitment of $75 million towards soil health offset by their unpopular call to ban live animal exports.

Not all farming interest groups were won over by the coalition's plan, nor Labor's for that matter.

The Stop Coal Seam Gas (CSG) Party has accused the major parties of betraying rural towns and farmers by supporting resource companies keen to tap into gas reserves.

The party, which is running two candidates each in NSW, Victoria and Queensland, is concerned CSG exploration will erode farmers' rights and the quality of Australian produce.