Tools, implements, fertilisers, tractors, etc. are supplied by industry.

Explanation:

Introduction:
In modern agriculture, various tools, implements, fertilisers, tractors, and other machinery are essential for efficient farming practices. These supplies are crucial for improving crop production, increasing efficiency, and reducing manual labor. As a result, they are supplied by the industry.

Industry's Role in Supplying Agricultural Inputs:
The agricultural industry plays a pivotal role in supplying tools, implements, fertilizers, tractors, and other necessary equipment for farming. Here's an explanation of each of these supplies and how the industry is responsible for their distribution:

1. Tools and Implements:
- Tools and implements such as spades, hoes, sickles, plows, and threshers are essential for various farming activities.
- The industry manufactures and supplies these tools to farmers through distributors, wholesalers, and retailers.
- Farmers can directly purchase or order these tools from the industry, which ensures their availability and accessibility.

2. Fertilizers:
- Fertilizers are chemical substances applied to the soil or plants to enhance crop growth and increase yields.
- The industry produces fertilizers like nitrogenous, phosphatic, and potassic fertilizers through chemical processes.
- These fertilizers are then packaged, marketed, and supplied to farmers by the industry.
- The industry also provides information and guidance regarding the appropriate usage and application of fertilizers to maximize their effectiveness.

3. Tractors and Machinery:
- Tractors and agricultural machinery are vital for mechanized farming, reducing manual labor, and increasing productivity.
- The industry manufactures tractors, harvesters, seeders, and other machinery required for various farming operations.
- These machines are distributed through authorized dealerships, ensuring their availability in rural areas as well.
- The industry also provides after-sales services, spare parts, and maintenance support for these machines.

Conclusion:
In conclusion, the supplies necessary for agriculture, including tools, implements, fertilizers, tractors, and machinery, are primarily supplied by the industry. The industry's role in producing, marketing, and distributing these agricultural inputs is crucial for the growth and development of the farming sector.