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Table 1 Variables used in the computation of the boosted management intensity index (BMI)

From: Comparative analysis of management practices and end-users’ desired breeding traits in the miracle plant [Synsepalum dulcificum (Schumach & Thonn.) Daniell] across ecological zones and sociolinguistic groups in West Africa

Variables State of variables and codified scores Weighing variable Weighing coefficient
Installation labour (IL) Land clearing (1); pegging and lining (1); holing (1); base manuring (1) None 1
Management labour (ML) Weeding (3); pruning (3); irrigation (3); fertilization (3) Time since last application ≤ 1 year 1
Use of inputs (UI) Do not use agrochemicals (0); use agrochemicals (3) 2–10 years 2/3
   > 10years 1/3
Distance to cultivation site (PSD) ≤ 100 m (1); up to 1 km (2); up to 5 km (3); more than 5 km (4) None 1
Reaction to unauthorized harvest (RH) No reaction (0); yes, admonition applies (1); yes, monetary sanction (2); yes, complain to authority (3) None 1
Use of tools (UT) Manual (1); hook (2); knife (3); machete (1) None 1
Type of harvest (TH) Opportunistic (1); planned (2) None 1
Time invested (TI) Min (1); hours (2); days (3) None 1
Labour force invested (LF) No staff hiring (1); staff hiring (2) None 1
Management form (MF) Collection from the wild (1); protection on farm (2); protection in home garden (3); seedling transplantation (4); seed sowing (5) None 1