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HIGH SCHOOL

Environmental Sciences

Science Experiments

Environmental Sciences

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Environmental Science

Measuring Soil Fertility with NPK Tests

Description

Soil fertility can be measured by testing the macronutrients nitrogen, phosphorus, and potassium. These three nutrients are major parts of soil fertilizer, and their levels help show how well soil can support plant growth.

The experiment uses chemical extraction to pull each nutrient out of the s...

Transcript

ื ื™ืชืŸ ืœื‘ืฆืข ื ื™ืชื•ื—ื™ ื ื•ื˜ืจื™ื™ื ื˜ื™ื ื‘ืงืจืงืข ื›ื“ื™ ืœื—ืœืฅ ืฉืœื•ืฉื” ืžืงืจื•ื ื•ื˜ืจื™ื™ื ื˜ื™ื ืขื™ืงืจื™ื™ื ื‘ืงืจืงืข, ื—ื ืงืŸ, ื–ืจื—ืŸ ื•ืืฉืœื’ืŸ, ื•ืœืฉืœื‘ ืื•ืชื ืขื ืจื™ืื’ื ื˜ื™ื ืžื‘ื•ืกืกื™ ืฆื‘ืข ื›ื“ื™ ืœืงื‘ื•ืข ืืช ืจื™ื›ื•ื–ื.

ื—ื ืงืŸ, ื–ืจื—ืŸ ื•ืืฉืœื’ืŸ ื”ื ืžืจื›ื™ื‘ื™ื ืขื™ืงืจื™ื™ื ืฉืœ ื“ืฉืŸ ืื“ืžื”. ื™ื“ื™ืขืช ืจื™ื›ื•ื–ื ื‘ืงืจืงืขื•ืช ื™ื›ื•ืœื” ืœื™ื™ื“ืข ืžื“ืขื ื™ ืกื‘ื™ื‘ื” ืขืœ ืžื—ืกื•ืจ ืื• ืขื•ื“ืฃ ืฉืœ ื—ื•ืžืจื™ื ืžื–ื™ื ื™ื ื‘ืงืจืงืขื•ืช ื”ืžืฉืžืฉื•ืช ืœืชืžื™ื›ื” ื‘ื™ื™ืฆื•ืจ ืฆืžื—ื™ื, ื•ืœืกืคืง ืชื•ื‘ื ื” ื›ืœืœื™ืช ืœื’ื‘...

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