Research Article
Pigeon Pea and Cowpea-Based Cropping Systems Improve Vesicular Arbuscular Mycorrhizal Fungal Colonisation of Subsequent Maize on the Alfisols in Central Malawi
Figure 2
VAM colonisation as influenced by previous cropping systems and N fertilizer application for Lilongwe site. Key. Each error bar represents a standard error of the mean; CP = cowpea; MZ = maize; PP = pigeon pea; 92N = 92 kg N ha−1.