Some of these are discussed below: The excessive use of nitrogenous fertilizers concentrates nitrates in the soil and water. Popular examples of fertilizers are urea, potash, and ammonium sulphate. Some are even on the verge of dying. Disadvantages of using artificial fertilisers: Crops grow better, but so do weeds. This is less likely with organic fertilizers. This creates soil problems, making it less ideal to work with. In nature, decomposition of organic matter creates a natural fertilizer. Giving complete nutrition to the plant. Some of these are discussed below: The excessive use of nitrogenous fertilizers concentrates nitrates in the soil and water. Disadvantages of Natural Fertilizers May not release nutrients as they are needed Nutrient content of manure & compost often unknown % nutrients usually lower than chemical fertilizers Tend to be bulkier, requiring more fossil fuels and producing more GHG; more expensive. Plants are unable to absorb these compounds and salts. (See Reference 1) While the fertilizers help a plant to grow, they do not do much for the soil. Fertilizers products supplement the nutrients already in the soil. While it’s true some organic fertilizers are much more expensive than synthetic ones, cost-effective organic options are hitting the market every year. Organic farmers use various methods to maintain the fertility of the soil—for example- crop rotation, green manure, composting, worm farming, etc. Organic fertilizers 2 are made from natural ingredients like plant and animal waste products and powdered minerals. Nitrate rich water is unfit for drinking, and is rather difficult to treat. Sandy soil does not hold water and not even the roots of the plants. Chemical-based fertilizers, according to Edublogs, can also help protect plants and vegetation from pests and may prevent the spread of weeds as well. In poorer countries in particular, farmers can damage their health by applying fertilisers, pesticides and … Apart from releasing nutrients, when organic fertilizers decompose, they improve soil structure increasing the soil’s ability to retain nutrients and … Many natural fertilizers, such as manure, seaweed or fish oil, are quite smelly and are too offensive to use on indoor plants. 1. Organic fertilizers release the nutrients in a slow manner as in some cases the cooler soil temperatures hinder the release of the elements. Bio-fertilizers are normally the name given to manure and compost, although there are other materials which qualify. Some potential disadvantages of organics include: Limited nutrient availability: The slow-and-steady approach that makes organic fertilizer perfect for most applications can pose a problem in certain situations. Disadvantages of Organic fertilizers; Inorganic Fertilizers. Commercial formulated fertilizers allow you to know exactly which nutrients you're giving your plants, rather than guessing at the composition of organic formulas. It consists of a carrier medium rich in live microorganisms. The acidity of chemical fertilizers also adversely affects the soil pH and makes it acidic, thereby changing the kinds of microorganisms that can live in the soil. And so remain in the soil. In order to provide proper nutrients, large amout of organic … Related Posts. Advantages of Inorganic fertilizers; Disadvantages of Inorganic fertilizers; Making a choice for Organic vs Inorganic fertilizers; Further reading; Organic or Natural Fertilizers . 1. Disadvantages of Fertilizers over Manures. Microorganisms convert complex organic materail. However, fertilizers have disadvantages as well. Affeld's passion for the environment inspires her to write informative articles to assist others in living a green lifestyle. 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