Vedic Mathematics is a collection of techniques and shortcuts that simplify mathematical calculations. It is widely used in Indian agriculture for tasks such as calculating crop yields, irrigation schedules, and fertilizer requirements.

Urdhva Tiryakbhyam, also known as the 'vertically and crosswise' method, is a Vedic technique used to multiply two numbers. It can also be applied to calculate the area of a triangular field by multiplying the base and height and dividing the result by 2.

The Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones. In Indian agriculture, it is used to determine the order of crop planting. By following the Fibonacci sequence, farmers can ensure that crops with different nutrient requirements are planted in a balanced manner, leading to improved soil health and productivity.

Archimedes' Principle states that the buoyant force acting on an object immersed in a fluid is equal to the weight of the fluid displaced by the object. This principle is applied in the design of traditional Indian water reservoirs, known as 'tanks'. The shape and dimensions of the tank are carefully calculated to ensure that the water pressure is evenly distributed, preventing leaks and structural damage.

Evapotranspiration is the process by which water is lost from the soil and plants through evaporation and transpiration. Indian farmers calculate the evapotranspiration rate using mathematical formulas that consider factors such as temperature, humidity, wind speed, and crop type. This information helps them determine the amount of water required for irrigation and optimize water usage.

The Rule of Three, also known as the 'Rule of Proportion', is a mathematical technique used to find the fourth proportional term in a proportion. In traditional Indian irrigation systems, this technique is applied to calculate the share of water that each farmer is entitled to, based on the size of their landholding and the availability of water.

Fractal geometry is a branch of mathematics that deals with self-similar patterns. It is applied in the design of Indian irrigation canals to create intricate patterns that optimize the flow of water. These patterns help distribute water evenly across the fields, reduce water loss through evaporation, and prevent soil erosion.

Linear Regression is a statistical model that establishes a linear relationship between a dependent variable (crop yield) and one or more independent variables (such as weather conditions, soil quality, and fertilizer application). By fitting a linear equation to historical data, agricultural scientists can predict crop yields under different conditions and make informed decisions about crop management.

Indian farmers use mathematical formulas to calculate the optimal fertilizer application rates based on factors such as soil type, crop requirements, and weather conditions. These formulas consider the nutrient content of the soil, the nutrient uptake efficiency of the crop, and the potential for nutrient losses due to leaching or volatilization. By using these calculations, farmers can optimize fertilizer usage, reduce costs, and minimize environmental impact.

The Volume of Revolution is a mathematical technique used to calculate the volume of a solid generated by rotating a plane curve around an axis. In the context of Indian water reservoirs, this technique is applied to determine the water storage capacity of the reservoir by calculating the volume of the solid generated by rotating the cross-sectional area of the reservoir around its central axis.

Indian farmers use mathematical calculations to determine the optimal crop spacing and planting density based on factors such as the crop type, soil conditions, and desired yield. They calculate the plant population per unit area to ensure that each plant has sufficient space to grow and access resources such as sunlight, water, and nutrients. This optimization helps maximize crop yield and minimize competition among plants.

Manning's Equation is a mathematical model used to calculate the flow rate of water in open channels, such as irrigation canals. It considers factors such as the channel's cross-sectional area, slope, and roughness coefficient. By applying Manning's Equation, irrigation engineers can design and manage canals to ensure efficient water distribution and minimize water losses.

Indian farmers use mathematical models to predict the optimal harvesting time for crops based on factors such as crop maturity, weather conditions, and market prices. These models consider historical data, current crop conditions, and weather forecasts to estimate the ideal time to harvest the crop to maximize yield and quality while minimizing losses due to over-ripening or adverse weather events.

Mixed-Integer Programming (MIP) is a mathematical technique used to solve optimization problems that involve both continuous and integer variables. In the context of irrigation system design, MIP is employed to determine the optimal allocation of water resources among different crops and fields while considering constraints such as water availability, crop water requirements, and soil conditions. By using MIP, irrigation engineers can design systems that minimize water usage while maximizing crop yields.

Indian farmers use mathematical yield prediction models to estimate the potential yield of their crops based on factors such as soil conditions, weather data, and crop management practices. These models incorporate historical yield data, current crop conditions, and weather forecasts to generate yield estimates. By using these models, farmers can make informed decisions about crop selection, resource allocation, and irrigation scheduling to optimize crop yields.