Not sure where you have read that about the Tories - here is what Defra are working towards;
Funding for farmers, growers and land managers
Apply for grants and other funding to increase productivity, manage your land to benefit the environment and support your agricultural business.www.gov.uk
Every colour is saying they will move all payments to the environment - there is no way they can say anything else because this 'climate crisis' as taken over all rational thought.
And will be the be all and end all, until we have another crisis... Energy crisis is my bet when the effects of all the greeny stuff means we run out of power!