Pronunciation/ˈfɜː.tɪ.laɪ.zə/ General Description Fertiliser is a substance added to soil or plants to provide essential nutrients that promote healthy growth and improve crop yields. It is widely used in gardening, horticulture, and agriculture to address nutrient deficiencies and enhance plant productivity. Detailed Description Fertilisers can be organic or synthetic. Organic fertilisers are derived from natural materials such as manure, compost, bone meal, and seaweed, while synthetic (chemical) fertilisers are manufactured to contain precise nutrient ratios. The primary nutrients provided by fertilisers are nitrogen (N), phosphorus (P), and potassium (K), often referred to as NPK. Fertilisers play a crucial role in…