Entry requirements:

Normally a good undergraduate honors degree (2:1 or above), or equivalent from a university outside the UK, in a subject relevant to agriculture, ecology, geography or environmental sciences. Applicants who have relevant career experience are also welcome to apply.
Students may join immediately after their undergraduate degree, or after some years of employment to enhance career prospects by acquiring further skills. 

IELTS: 6.5 overall with no element less than 5.5 (or equivalent)