Table 1. Volatile collection sites and environmental conditions.

Sampling site	Practice	GPS coordinates	Relative humidity (%)	Temperature (°C)
Kitagasembe village, Gwitiriyo ward, Tarime district, Mara region, Tanzania	D. intortum monoculture, Maize with common beans as intercrop (Phaseolus vulgaris)	−1.3, 34.4792	70	20–22
Gwitiriyo, Gwitiriyo ward, Tarime district, Mara region	D. intortum monoculture	−1.266661, 34.488133	68	20–22
Kyoruba village, Pemba Ward, Tarime District	D. intortum monoculture	−1.318, 34.520	75	20–22
Vi Agroforestry center, Lubango Ward, Musoma District, Mara region	Push–pull farming with D. intortum intercropping	−1.53054, 33.857955	81	20–22
RUCID centre, Mityana district, Uganda	D. intortum monoculture and maize monoculture	0.437941, 32.042500	68	26