This computer application deals with energy auditing for rice-wheat cropping system. Computing different input parameters for the crop production system in terms of energy requirement (MJ/ha) can be done by using this computer application. The developed application was found to be a simple, easy and user-friendly with appropriate output units. It works efficiently and gives the desired output in terms of energy consumption (MJ/ha). The advantage of this application is to decide the inputs on the basis of energy consumption before performing actual cultivation practice using the last season data. Moreover, using this package energy budget difference and comparison of subsequent production seasons can be achieved. The computer application was developed using Visual Basic, which allows the user to calculate total energy use efficiency, specific energy and different energy ratios in a particular cropping system.

A comprehensible Visual Basic (VB) computer program is developed to find out the tractor parameters for an automated steering system. Tractor parameters such as real wheel and front wheel trajectory coordinates, clockwise front and rear wheel angle and corrected front and rear wheel angle can be calculated. Front wheel trajectory data, rear wheel trajectory, distance between front and rear wheel(X13), Tractor velocity vector(V) and Tractor turning angle with center line are input variables for developed software. The tractor parameters are being calculated with the help of mathematical model which are already fed in program. The developed program successfully calculates the tractor parameters on automated steering . This developed software could guide an autonomous agricultural tractor in the field. Furthermore, software navigates agricultural tractor both in straight or curved path at normal field operational speed.

Crop sprayers help in attaining targeted application of chemical pesticides, which is necessary to reduce environmental degradation. As the overdose of chemical may lead to wastage and environmental pollution, performance of sprayers vastly depends on operator’s skill. The use of advanced technologies and automation techniques shall aid in improving and optimizing the existing spray application techniques. An automated spray control system based on proximity or speed sensor, pressure and flow meter were installed and calibrated on high clearance boom sprayer. There was not much difference in actual discharge and actual speed as compared to discharge and speed observed by sensors. In manual mode, variation in the application rate ranged between 258.60 to 436.36 l/ha whereas in auto mode it varied between 250 to 268.42 l/ha which was approximately in the desired rate.