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Crop Production and Management

A farm is also a small business. The farmer sets a production target and a business plan, manages every job on time (sowing, irrigation, weeding, harvest), sells the produce through good channels, and works out profit = income − cost. Environment-friendly practices such as compost, crop rotation and fewer chemicals protect soil, water and helpful insects for the future.

🎬 Step-by-step story

  1. First comes the plan. The farmer sets a target: how much to grow, what it will cost, and what to earn.
  2. Then the jobs are done on time: plough and sow, irrigate, weed, harvest. Each job has a day and a cost.
  3. Selling time. Income minus cost is the profit. Here income is 64 and cost is 50, so profit is 14.
  4. Farming kindly: compost, crop rotation and fewer chemicals. Soil health is 90 percent and helpful insects come back.
  5. Too many chemicals: soil health falls to 25 percent, helpful insects leave, and cost goes up.
  6. Your turn. Change yield, price and cost and find when the farm makes a profit.

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

🤔 Common doubts, cleared

Why set a target at all?

A target shows how much to grow and what to spend, and later you can check whether you reached it. In the 3D the target is the first step of every season.

Does a missed job really change the harvest?

Yes. Late weeding or irrigation can cut yield. The calendar blocks rise only when each job is done.

Why is profit not just the money I receive?

Because you already spent money to grow the crop. Only what is left after cost is profit. Watch the income bar, cost bar and profit bar.

How can fewer chemicals still give a good profit?

Healthy soil and helpful insects do part of the work for free, so cost falls while yield stays good.

What goes wrong with too many chemicals?

Soil health and helpful insects fall, cost rises, and in time the yield can drop too.

Can a bigger yield still give a loss?

Yes, if the price is low or the cost is high. Try it in free play: raise yield and lower price.

Production targets and business plans

A production target is how much of which crop you plan to grow (for example, 2 tonnes of tomato from 0.1 hectare). A business plan writes down:

A good plan is realistic, in writing, and checked again after the season.

Managing production processes

Crop work has a calendar: land preparation, sowing, irrigation, manure, weeding, pest and disease care, harvest and storage. Missing the right time can cut yield.

Distribution and sales

Produce can be sold in a mandi (market yard), to a trader, to a shop or school, through a farmers group, or directly to buyers (farm gate, online, weekly market). More steps between farmer and buyer often mean a lower share for the farmer. Grading, clean packing and storage can raise the price. Processing (making flour, pickles, juice) adds value.

Income = quantity sold × price. Profit = income − total cost. If cost is more than income, it is a loss.

Environment-friendly crop production

Farming should leave soil, water and air healthy for the next season and the next generation.

Fewer chemicals often means lower cost, healthier soil and safer food.

Try it

Plan a tiny crop: ten pots of spinach. List the seed, soil, water and time. Set a target and note the cost. In the 3D, find a combination of yield, price and cost where profit is exactly zero (the break-even point).

Key formulas and definitions

Worked examples

1. A farmer harvests 1,500 kg of tomatoes from 0.5 hectare. Find the yield per hectare.

Yield = 1500 / 0.5 = 3,000 kg per hectare.

2. Total cost of growing onions is Rs 24,000. The farmer sells 2,000 kg at Rs 18 per kg. Find income and profit.

Income = 2000 × 18 = Rs 36,000. Profit = 36,000 − 24,000 = Rs 12,000.

3. The cost is Rs 30,000 for 1,500 kg of potato. What is the cost per kg, and the lowest price per kg for no loss?

Cost per kg = 30,000 / 1,500 = Rs 20. The break-even price is Rs 20 per kg; below it there is a loss.

4. A grower sells 600 kg of spinach directly at Rs 25/kg. A trader would buy it at Rs 18/kg. How much more does she earn selling directly?

Direct: 600 × 25 = Rs 15,000. Trader: 600 × 18 = Rs 10,800. Extra = Rs 4,200.

Common mistakes

Practice quiz

1. Profit is equal to:
2. Which is a part of a farm business plan?
3. Which practice is environment-friendly?
4. Selling directly to buyers often gives the farmer:
5. Yield per hectare is:

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

Why does a farmer need a business plan?

It shows what to grow, what it will cost and what it may earn, so money is not wasted and problems are seen early.

How is profit calculated in farming?

Profit = total income from sales minus the total cost of seed, manure, water, labour and everything else.

What is environment-friendly farming?

Farming that keeps soil, water and air healthy, using compost, rotation, natural pest control and saving water.

Where this is taught

Japan高校(専門学科)1〜3年Crops

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