Pigeon Pea and Cowpea-Based Cropping Systems Improve Vesicular Arbuscular Mycorrhizal Fungal Colonisation of Subsequent Maize on the Alfisols in Central Malawi

Figure 1

The illustration of how percent root length colonised is determined using the gridline intersect method. Source: Brundrett, [31]. Note. The diagram shows a grid lined petri dish containing root threads.