Add a verb in place of the XOnline version Insert a verb in place of X and observe the new structure of the sentence. by Perma culture 1 The first step of this study, which is associated with the research unit SADAPT (AgroParisTech-INRA), was to establish a reliable and efficient protocol to collect the information X necessary to demonstrate the initial hypothesis. Written answer 2 The collection system X implemented has produced data X emphasized in this document. Written answer 3 They would feed a collective basis, from which it would be possible to multiply the study X conducted at Bec. Written answer 4 Farmers participating benefit from treatment for their routine, to produce for their farm outputs X comparable to those presented here. Written answer Feedback 1 The first step of this study, which is associated with the research unit SADAPT (AgroParisTech-INRA), was to establish a reliable and efficient protocol to collect the information THAT IS necessary to demonstrate the initial hypothesis. 2 The collection system WHICH WAS implemented has produced data WHICH IS emphasized in this document. 3 They would feed a collective basis, from which it would be possible to multiply the study THAT HAS BEEN / WAS conducted at Bec. 4 Farmers participating benefit from treatment for their routine, to produce for their farm outputs WHICH ARE comparable to those presented here.