Bio-Fertilizer mycorrhiza (VAM) :- The mycorrhiza is association between fungal mycelia and plant roots. VAM is an endotrophic (live inside) mycorrhiza formed by aseptate phycomycetons fungi. VAM is a fungus that penetrates the roots of a plant to helps them to take nutrients from the soil. VAM help in nutrient uptake mainly of phosphorus, zinc and sulphur. The VAM hyphae also help is retaining moisture around the root zone of plants. It increase the resistance to root borne or soil borne pathogens and nematodes. They also mobilize different nutrients like Cu (copper), K (potassium), Al (aluminium), Mn (manganese), Fe (iron) and Mg (magnesium) from the soil to the plant roots. Mycorrhiza should be applied 4 kg per acre for all crops as basal dose or after 25-30 days after sowing.
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