One thing to consider is that when the rubbish is processed to make the natural plant food, water is also produced due to evaporation, and the problem is that this water contains harmful substances for the ground when they are in high percentages. Nevertheless, the need for natural plant food is on the rise and there should more natural plant food processing complex to feed the needs of producers. Natural plant food- animal dung rounded Using a natural plant food product to boost the condition of your ground and as a result improve the appearance of your plants is the best way to protect the environment. With this new green boom, the market of natural plant food has experienced an increase not only in sales but also in the number of products that are produced every year. 2- Deficiency of one or more substances is revealed by the plant in different ways. This means that you need to pay attention to what the plant tells you in order to provide the correct natural plant food product to improve its condition. 3- When the leaves at the bottom of the plant start to get a yellowish tone it means that it is not getting enough nitrogen. Contrary to popular belief, using environmentally friendly products is not difficult or expensive. All you need to do is find the most appropriate natural plant food to make your garden a lot greener. In a recent research conducted by the University of California it was discovered that most of water contamination is down to the use of inorganic plant food products in the agricultural sector. If the label says the plant food contains carbamide, ammonia and/or salt, this means that the plant food is not natural and that you need to stay away from it. Some commercial plant food often includes oilseed and animal skin waste. Despite the fact that these two components are natural, they can have remains of hazardous chemicals that will affect the natural composition of the ground. Natural Plant Food- new development of Natural Science Although Natural Science has existed for more than seventy years, it has only recently developed a natural plant food to make things easier to agriculturists and horticulturists all over the world. The good thing about this new product is that it has been made with reprocessed animal skin.