Bone meal is a by-product of slaughterhouses that is made by steam processing and grinding animal bones. Calcium, another crucial plant mineral, is also present.
In addition to having a high microbiological content, lucerne meal is an all-around excellent supply of all three macronutrients (2-1-2 to 3-1-2). Although it takes a while for lucerne meal to decompose,
Cottonseed meal is a great supply of nitrogen and an additional source of phosphorus and potassium, with a mean N-P-K ratio of 6-0.4-1.5. Because conventional cotton is produced with a lot of chemicals, try to find natural cottonseed meal if possible.
Rock phosphate, a mineral rock powder that contains between 3 and 8% phosphorous, is a great source of phosphorus (0-3-0 to 0-8-0). The second year following application, the phosphorous in rock phosphate is becoming more readily available.
Blood meal, another by-product of slaughterhouses, has a very high nitrogen content with an average N-P-K ratio of 12-0. It's simple to go overboard due to its high ammonia concentration.
is a potassium and sulfur-containing soluble salt. If the source of the sulphate of potash is a matter for you, consider whether it comes from a natural source, a mine, or a synthetic source made in a lab.
Glauconite is a greenish-colored silt that was mined from the sea. It has a modest potassium content (0-0-3 to 0-0-7,
Liquid kelp, which is produced by cooling down sea kelp during processing, is a rich source of numerous plant hormones and many trace minerals. Carotenoids and flavonoids, two types of antioxidants abundant in kelp that aid in the battle against disease-causing free - radical.
The oils and proteins from whole fish are boiled and filtered off, leaving the remaining fertiliser devoid of a variety of amino acids, vitamins, and hormones necessary for plant growth.
By digesting fish byproducts with enzymes at a lower temperature, hydroslate is a different, less offensive type of fish-based fertiliser.