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In India, cotton is hand-picked by human labours, which is time consuming and tedious job. Keeping all these aspects in mind, a knapsack power driven cotton picker was developed with petrol engine of 0.9 kW, 5500 rpm. The other components were developed as per design requirements. The time requirement and cost of operation for knapsack cotton picker per hectare were worked out as 371 h and Rs. 11041/- respectively which showed 58.55 % saving in time and 21.25 % saving in cost over manual picking method. The higher value of energy was observed 2.61 times that of manual picking method. The...

The book titled Plant Secondary Metabolites is structured into 11 chapters, each with broader headings that encompass an introduction, history, biosynthesis, essential oils/terpenes/terpenoids, alkaloids, glycosides, gums & mucilages oleoresins, plant amines, techniques, and biotechnological approaches. To make the information more accessible and useful for undergraduate and postgraduate students in agriculture, ayurveda, pharmacy, naturopathy, and home sciences, the book includes 45 tables, 60 figures, chemical equations, and color photographs. The aim of the book is to provide a...