📘 CodingMarble Learn

Vegetable Production and Management

A good vegetable farm starts with a target and a plan. Profit = income - cost. The work (sow, water, weed, harvest) is managed with a calendar and records. Selling well means choosing market, grade and time. Eco-friendly methods such as compost, drip water and fewer chemicals protect soil and can cut cost.

🎬 Step-by-step story

  1. This is our field with a target. We decide how many plots to grow and how much we hope to harvest.
  2. The red bar is the cost: seed, water, labour. We count it before we start, so we know what we must earn back.
  3. Work follows a calendar: sow, water, weed, harvest. Each block lights up in its turn. Missing a step costs yield.
  4. Now we sell. The green bar is income. Income minus cost is the profit shown on top.
  5. Now we use compost and drip water. The red cost bar shrinks, so profit grows, and the soil and water are protected.
  6. Your turn. Change the plots and price, and tick Eco methods to see profit move.

Tip: drag the 3D scene to turn it. Use two fingers to zoom.

🤔 Common doubts, cleared

Why set a target before planting?

The target tells how many plots, how much seed and how much money you need. Without it you cannot plan or judge the result.

Why count cost before income?

The red cost bar is what you must earn back. If expected income is not taller, the plan loses money.

What if one job on the calendar is missed?

Missing sowing or watering time lowers yield. The calendar keeps every block in order.

Can income be big but profit small?

Yes, if cost is also big. Profit is the gap between the green and red bars.

Why can eco-friendly methods raise profit?

Compost and drip water use fewer bought inputs and less water, so the cost bar gets shorter. See it shrink.

Production targets and business plans

A target is how much you plan to grow and sell, for example 600 kg of tomatoes. A business plan turns the target into steps: which crop and variety, how many plots, what seed, water, labour and tools you need, and the money for each. Then you compare expected income with expected cost. If income is not clearly higher, change the plan before planting.

Keep the plan small and realistic. Choose crops that suit your season, soil and market.

Managing production processes

Break the season into jobs: land preparation, sowing or transplanting, watering, weeding, feeding, pest watch, harvest and packing. Put each on a calendar with a date. Write down what you did, what you spent and what you harvested in a farm record. Records show where money is lost and help you do better next season. Check the field often, and fix problems early.

Distribution and sales

Choose where to sell: wholesale market, local shop, farmers' market, direct to homes, or a contract with a buyer. Grade your produce by size and quality, and pack it cleanly; good grading earns a better price. Pick harvest time to reach the market fresh. Add up income = quantity sold × price and keep the bills.

Environment-friendly vegetable production

This means farming that protects soil, water and nearby life. Ideas: compost and green manure instead of too much fertiliser, crop rotation to break pest cycles, drip irrigation to save water, mulch to keep soil covered, and careful, limited use of chemicals with safe waiting time before harvest. These steps keep the soil healthy, so yield stays good for many years, and they often cut cost.

Try it

Imagine a 4-plot vegetable garden. Write your own cost list (seed, water, labour) and guess the price per plot. Work out the profit, then change one thing, such as lower cost with compost. Check your answer with the sliders in the 3D.

Key formulas and definitions

Worked examples

1. A farmer spends Rs 3000 and sells vegetables for Rs 5000. Find the profit.

Profit = income − cost = 5000 − 3000 = Rs 2000.

2. A plot gives 80 kg of beans sold at Rs 25 per kg. Cost for the plot is Rs 1200. Find income and profit.

Income = 80 × 25 = Rs 2000. Profit = 2000 − 1200 = Rs 800.

3. Using compost and drip water cuts the cost of Rs 1200 by 15%. If income stays Rs 2000, what is the new profit?

Saving = 15% of 1200 = 180. New cost = 1200 − 180 = Rs 1020. Profit = 2000 − 1020 = Rs 980.

Common mistakes

Practice quiz

1. Profit equals:
2. A production target is:
3. Which saves water?
4. Farm records help us to:
5. Grading vegetables by size and quality usually gives:

Practice: answer these yourself

Type or choose your answer, then press Check. Use a hint if you are stuck; the full solution appears after you answer.

Frequently asked questions

What is a production target?

It is the amount of vegetables you plan to grow and sell in a season, such as 500 kg of tomatoes.

How do I find profit in farming?

Add up all the money you earned by selling (income), subtract all the money you spent (cost). The rest is profit; a negative number is a loss.

What is eco-friendly vegetable production?

Growing vegetables in ways that protect soil, water and nearby life, for example compost, crop rotation, drip irrigation and careful use of chemicals.

Where this is taught

Japan高校（専門学科）1〜3年Vegetables

Learn first

Learn next

Related lessons

All Economics lessons