VermisTerra Earthworm Castings (10 LB) Bundle with VermisTerra Earthworm Casting Tea (3 Items) - Organic Bundle starter kit of VermisTerra best sellers: 10 LB standard grade organic earthworm casting and 2 quarts liquid soil amendment Supports Against Pest and Disease: While plants remain healthy with the steady flow of nutrients from earthworm castings, plants can defend itself from diseases. Improves Soil Structure and Fertility: Microbes have the ability to create pore spaces in the soil. More oxygen are able to penetrate into the soil for even more biological activities to occur. As well as plant roots can root into the soil more easily. Well structured soil also soaks up water like sponge to retain water for longer periods. Rich in Beneficial Bacteria and Microbes: High concentrations of exceedingly active mixture of bacteria and micro-organisms are within earthworm castings as they are added by the worm during the digestive process. The microscopic creatures assist in creating a healthy, living soil that will give plants the perfect atomsphere for optimum growth. Organic waste are deodorized during digestion as well, neutralizing odor and giving off a natural scent like a forest after the rain. Regulates Plant Nutrients: Humic acid in earthworm castings have the capability to free up nutrients in the soil to make the nutrients immediately available for plants. Unlike earthworm castings, synthetic fertilizers and animal manure which must be broken down in the soil before the plants can absorb the nutrients.