what is a good potassium fertilizer

Best answer


Fertilizers that are high in potassium include:burned cucumber skins, sulfate of potash magnesia, Illite clay, kelp, wood ash, greensand, granite dust, sawdust, soybean meal, alfalfa, and bat guano. Some of these fertilizers also contain nitrogen, phosphorus, and other important nutrients for plants.

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  • What are the best sources of potassium in fertilizers?

  • Fertilizers that are high in potassium include burned cucumber skins, sulfate of potash magnesia, Illite clay, kelp, wood ash, greensand, granite dust, sawdust, soybean meal, alfalfa, and bat guano. Of course, you can use a mixture of any of these sources of potassium, depending on what you have available.

  • How much potassium is in magnesium sulfate fertilizer?

  • Also known as potassium magnesium sulfate, this fertilizer contains 22% potassium by weight, making it a great potassium supplement 鈥?almost as good as burned cucumber skins. Sulfate of Potash Magnesia is a specific type of potash, which means that it contains potassium in water-soluble form.

  • What is potash fertilizer?

  • The term 鈥?potash 鈥?refers to a group of potassium bearing minerals and salts. There are multiple potassium fertilizer sources, expressed in units of K鈧侽 on fertilizer labels, such as muriate of potash (KCl), sulfate of potash (K鈧係O鈧?, double sulfate of potash and magnesium (K鈧係O鈧?2MgSO鈧?, and nitrate of potash (KNO鈧?.

  • Which type of potassium is considered readily available for plant growth?

  • Potassium that is considered readily available for plant growth is potassium that is dissolved in soil and held on soil exchange sites. Plants readily absorb the potassium dissolved in the soil water.

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