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    Do we have an alternative for neem coated urea in the form of karanja Oil coated urea? Nitrogen is the most critical as well as significant component of Agricultural production. Currently, most of these nitrogen is being supplied by Urea in paramount forms of cultivation. However, the challenge for most of the farmers as well as the agronomist, is that the nitrogen within the urea is getting hydrolyzed rapidly when it comes in contact with soil. And these hydrolysis bring out various forms of Nitrogen. Among these forms, some evaporates and some escapes the soil and the rest loses nitrogen use efficiency. This development usually work against the soil as well as the crops. In this way, normally 50% of the applied nitrogen fertilizer is getting wasted and in turn is adversely impacting the overall nature of the soil. Moreover, the accumulated unusable nitrogen rescinds the underground water quality. To overcome this challenge, agriculturists have introduced the usage of costly chemicals (Ammonium thiosulphate, Dicyandiamide & Nitrapyrin etc) which aids in controlling the nitrification of the soil. However, the addition of these chemicals further violates the basic characteristics of the soil. To circumvent this phenomenon, lately researchers have dotted on neem oil or neem cake as the natural ingredient that can be coated to prevent nitrification. The result of this large scale use have been phenomenal. The yield has increased dramatically and also the soil quality in general. The neem oil coat have largely prevented the nitrification of soil. Based on the extensive studies and its subsequent report, Government have proposed the use of neem coated urea for large scale agricultural production. This recent development did create positive impact in the organic produce market. It has led to ripples in neem oil market wherein, neem oil market have reached a situation of high demand and low supply. Neem oil being the natural product, the production can’t be increased substantially in a short span of time. Therefor, in order to tide over this challenge, farmers have come up with the usage of less demand and high supply oil called Karanja (Pongamia Glabra) as an alternative to neem oil in coating urea. Since, Karanja oil contains both the insecticidal property as well as hydrolysing nature similar to that of neem; Karanja oil is being flaunted as a natural alternative for neem oil. Karanja is also called as Millettia pinnata, is a species of tree in the pea family, Fabaceae, native in tropical and temperate Asia including parts of Indian subcontinent, China, Japan, Malaysis, Australia and Pacific Islands. It is often known by the synonym Pongamia pinnata as it was moved to the genus Millettia only recently. Common names include Indian beech, Pongamoiltree, karanj (Hindi), honge (ಹೊಂಗೆ in Kannada), pungai (புங்கை in Tamil), kānuga (కానుగ in Telugu), karach (করচ গাছ in Bengali), naktamāla (नक्तमाल in Sanskrit). Considering the high price for Neem oil and low price of Karanja oil, we can consider Karanja Oil as an alternative for coating urea and as well as an insect repellent in organic farming.
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