A: Although blood meal was originally a liquid, it was flash-dried at a processing plant. Blood meal is a natural form of nitrogen readily absorbed into the roots of plants. I use it in all my vegetable gardens and for my grow. Everything has been fine until now, I was planning on cutting the light to promote flowering until I noticed my bottom leaves are turning yellow, and some even fell right off. When used as a fertilizer, soil organisms digest the blood meal particles and release the material in a nitrogen form that plants can absorb. How to Make Liquid Bone Meal Fertilizer. Mar 21, 2009 #1 First time grower here, trying a hybrid called Ice cream. Spread 5 to 10 pounds of blood meal evenly around the rose bushes and use a rake to mix it into the surface of the soil. Blood meal is water-soluble and can be used as a liquid fertilizer. Caution must be exercised when using it, however, as raw blood meal can burn the leaves of plants. It is one of the highest non-synthetic sources of nitrogen. It is definitely one of my favorite nitrogen based fertilizers. Because it comes in many forms, and the usage varies according to the type, blood meal can be in the form of granules, powder, or powder to be formulated with water. The drying process causes protein in the blood to coagulate into hard particles that resist wetting. It usually comes in a 12-0-0 npk ratio. Bone meal is used in a number of fertilizers due to its high phosphorous content. Thread starter gRimR33FER; Start date Mar 21, 2009; gRimR33FER Active Member . If you’re replanting the same garden bed year after year, blood meal will be beneficial, as plants have a tendency to deplete the soil. It is perfect for plants and vegetables that require additional nitrogen for sustained vegetative growth. Bone meal… Often an adaptation period is required to get animals used to eating blood meal. Mixing blood meal with water. Blood meal is a dry, inert powder made from blood, used as a high-nitrogen organic fertilizer and a high protein animal feed. Mixing blood meal with water like a pro: While you opt for your favorite and desirable blood meal, you should go through the labeling on the package to understand the “How-To” of your blood meal. Blood meal is generally unpalatable, particularly if overcooked, so care needs to be taken to not add more than 5 to 6% blood meal to a ration, especially if high feed consumption and performance are desired. It usually comes from cattle or hogs as a slaughterhouse by-product Uses Dietary supplement. N = 13.25%, P = 1.0%, K = 0.6%. Blood meal is rich in iron (more than 1500 mg/kg DM). Bone and blood meal are organic nutrients added to potting soil mix for optimal plant growth and health. Blood meal will also make your soil more acidic, lowering the pH value. Blood meal provides an excellent organic source of nitrogen for lush, green garden vegetables and colorful blooms.