If you reject the request, outline a suitable alternative practice. Comment on the truth of the following statements. Sawdust is toxic to plants. The best protection of plants against injury from the winter often is achieved by mulching the ground with organic material after the ground has frozen. The deeper the mulch applied to land, the better the crop will grow.
Organic fertilizers are environmentally safe materials.
Limestone and fertilizers should be mixed at least 12 inches into the soil to ensure that plant roots come in contact with abundant, concentrated amounts of nutrients. Identify the principal plant nutrient supplied by the following materials.