Important inputs like seeds, fertilizers, machinery etc. form a system called?

farm system is correct answer.

Key Points

• Important inputs such as seeds, fertilizers, machinery, and so on comprise a farm system.
• Farming systems are defined as a complex interconnected matrix of soil, plants, animals, implements, power, labor capital, and other inputs controlled in part by farming families and impacted to variable degrees by political, economic, institutional, and social forces operating at multiple levels.
• Agriculture, or crop growing, should be viewed as a system. Seeds, fertilizers, machines, and labor are critical inputs. 
• Ploughing, stitching, irrigation, weeding, and harvesting are some of the tasks required. 
• Crops, wool, dairy, and poultry products are among the system's outputs.

Additional Information

• The exchange of products and services between two or more parties without the use of money is known as bartering. 
• It is the oldest form of trade. Individuals and businesses exchange commodities and services based on similar assessments of pricing and goods.
• The hydrological cycle is sometimes known as the "water cycle"; it is the Earth's typical water recycling system. 
• It is the sum of all processes that transfer water from the land and ocean surfaces to the sky and back as precipitation.