Effect of integrated nutrient management on leaf yield of senna (cassia angustifolia vahl.)

A medicinal plant is any plant which contains substances that can be used for the therapeutic purposes and used as a precursor for the synthesis of useful drugs. India has been a big producer in medicinal and aromatic plants trade across the globe. India holds leading position in the production of senna crop and export of its produce to the world market, annually earning nearly 45 million. Almost all the senna leaves produced in India areexported and the major portion is transported to London market. Senna leaves are commonly used as a natural laxative both in modern and tradition system of medicine. Interagted Nutrient Management (INM) is considered as an integral part of any sustainable agricultural system. Thus an experiment was conducted on the “Effect of Integrated Nutrient Management on leaf yield of Senna (Cassia angustifolia Vahl.)” carried out at Paramathi Velur, Namakkal District, Tamil Nadu during the year 2019 - 2021. The field experimentwas consist of different combination of nutrients viz., recommended dose of fertilizers RDF, farmyard manure FYM, vermicompost VC and biofertilizers (Azospirillum AS and Phosphobacteria PB). Among the various treatments tried, plants supplied with T10 (75 % RDF + FYM @ 10 t ha-1 + Azospirillum @ 2.5 kg ha-1 + Phosphobacteria @ 2 kg ha-1) recorded maximum leaf yield attributes such as fresh weight of leaves plant-1, fresh weight ofshoots plant-1, fresh leaf yield ha-1 and dry leaf yield ha-1.