Research Article
[Retracted] Application of Regression Analysis to Identify the Soil and Other Factors Affecting the Wheat Yield
Table 2
Description of wheat yield and its associated factors.
| | Name of variable | Notation | Nature of variable | Unit of variable |
| | Saturation (%) | — | Continuous | — | | Electrical conductivity (dsm-1) | EC | Continuous | — | | pH | — | Continuous | — | | Organic matter (%) | OM | Continuous | — | | Phosphorus | P | Continuous | Ppm | | Potassium | K | Continuous | Ppm | | Calcium carbonate (%) | CC | Continuous | — | | Zinc | Zn | Continuous | Ppm | | Copper | Cu | Continuous | Ppm | | Iron | Fe | Continuous | Ppm | | Manganese | Mn | Continuous | Ppm | | Boron | B | Continuous | Ppm | | Nitrophos | — | Discrete (frequency) | 50 kg per acer | | Nitrogen | — | Discrete (frequency) | 50 kg per acer | | DAP | — | Discrete (frequency) | 50 kg per acer | | Potash | — | Discrete (frequency) | 50 kg per acer | | Urea | — | Discrete (frequency) | 50 kg per acer | | Last crop | — | Discrete (frequency) | — | | Water frequency | — | Discrete (frequency) | — | | Pesticide frequency | — | Discrete (frequency) | — | | Chemical coating of seed | — | Categorical | — | | Type of water | — | Categorical | — | | Way of cultivation | — | Categorical | — | | Usage of compost | — | Categorical | — | | Wheat yield per acre | — | Continuous | Munds |
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Note: Ppm = “parts per million”.
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