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Articles including data on maize yield, soil nutrients, water content and water use efficiency.
| Indicator | Soil moisture | Soil nutrients | Yield | Water use efficiency | |||
|---|---|---|---|---|---|---|---|
| Organic matter | Total nitrogen | Available phosphorus | Available potassium | ||||
| Number of articles | 17 | 18 | 20 | 24 | 24 | 65 | 14 |
| Sample Size | 1061 | 137 | 159 | 193 | 193 | 920 | 172 |
