A new fertilizer is any kind of material of organic or synthetic origin that may be applied to soils or plant tissuesto supply several plant nutrients important to the growth of plants. Fertilizers improve the growth of crops. This goal is usually met in a pair of ways, the traditional 1 being additives that offer nutrients. The second mode in which some fertilizers act is to enhance the effectiveness of the soil by simply modifying its drinking water retention and aeration. This short article, like most about fertilizers, emphasizes the particular nutritional aspect.