As a horticulture and landscape gardening expert , I have derive across various fertiliser that are high in potassium . K is an substantive food for flora as it plays a crucial function in their overall outgrowth and development . Let me apportion with you some of the fertiliser that are plentiful in potassium .

1 . burn Cucumis sativus skins : After using cucumbers in your kitchen , you may call for the skins and dry out them out . Once they are completely dried , you could cauterize them to create a potassium - rich plant food . This is a great mode to employ kitchen waste while providing nutrient to your works .

2 . sulphate of potash magnesia : Also known as K - Mag or langbeinite , this fertilizer control atomic number 19 , sulfur , and Mg . It is a born mineral source that can be append to the ground to boost potassium levels . K - Mag is useable in farinaceous phase and is worthy for a wide range of plant life .

3 . Illite clay : This cadaver is productive in mineral and is a good reference of potassium . When added to the soil , it not only provides K but also improve filth social system and water keeping . Illite clay can be mixed with compost or applied directly to the garden bed .

4 . Kelp : Kelp is a type of seaweed that is rich in potassium , along with other trace minerals . It can be used as a foliar sprayer or added to the grunge as a fertilizer . Kelp is also good for plants as it heighten their resistance to stress and ameliorate overall works health .

5 . Wood ash tree : Wood ash tree is a byproduct of burning wood and contains a high concentration of potassium carbonate . However , it is important to note that Sir Henry Wood ash can raise the pH of the stain , so it is estimable for plants that prefer slimly alkaline conditions . It ’s advisable to use wood ash in moderation and perform a dirt pH test before lotion .

6 . Greensand : Greensand is a innate mineral fertilizer that contains potassium , as well as smoothing iron , magnesium , and other trace minerals . It is derive from ancient sea deposits and is bang for its power to improve ground structure and alimentary availability . Greensand can be applied now to the grime or used as a component in homemade plant food blends .

7 . Granite rubble : Granite dust is a by-product of granite quarrying and is a ripe generator of atomic number 19 and other minerals . It is commonly used as a soil amendment to better potassium degree and promote industrial plant emergence . Granite rubble can be integrate into the soil or applied as a top grooming .

8 . Sawdust : Sawdust is not only a great source of carbon for composting but also contains a meaning amount of atomic number 19 . When sawdust is add to the soil , it tardily decomposes , secrete K and other nutrients over time . It is important to ensure the sawdust is well - aged or compost before use to debar atomic number 7 tie - up .

9 . Soybean meal : soy meal is a byproduct of soya processing and is commonly used as an constituent plant food . It is high in K , N , and phosphorus , making it a balanced option for promoting flora growth . Soybean repast can be apply straightaway to the soil or incorporated into compost .

10 . Alfalfa : Alfalfa is a legume crop that is often used as a green manure or cover craw . It is rich in potassium , as well as other nutrients like nitrogen and daystar . Incorporating alfalfa into the soil before planting can better potassium level and heighten soil fertility .

11 . Bat guano : Bat guano is the excreta of cricket bat and is look at a extremely valuable constituent fertilizer . It is rich in potassium , nitrogen , and phosphorus , make it a complete flora food . Bat guano is usable in both small-grained and pelletized forms and can be applied directly to the soil or used as a compost linear .

These fertilizers not only offer a proficient source of atomic number 19 but also offer extra nutrients that are essential for flora wellness . When choosing a fertiliser , regard the specific pauperization of your plants and the soil condition . It is always advisable to conduct soil tests to regulate the nutrient deficiencies and make appropriate amendments for optimal plant growth .

Caroline Bates