Date: _________ Village/Ward/District: _________________________________ (draw a sketch map of tested area overleaf) Agricultural activity: ___________________ Soil Type/Description: ___________________ Productivity: _____________________ Days since 20 mm rain: ____ Soil moisture condition at testing time (tick): dry ……………, moist ………..…, water logged ………… | ||||||||||
S/N | Test/score | Poor (1-3) | Fair (4-6) | Good (7-9) | Scores of individual tests runs from same soil type (1-9) | |||||
1 | Ease of penetration (using a penetrometer) | Wire probe will not penetrate | Wire probe penetrates with difficulty to less than 20 cm | Wire probe easily penetrates to 20 cm |
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2 | Ease of infiltration | More than 7 minutes | 3 to 7 minutes | Less than 3 minutes |
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3 | Diversity of macro-life | Fewer than two types of soil animals | Two to five types of soil animals | More than five types of soil animals |
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4 | Earthworms | 0 - 3 | 4 - 6 | More than 6 |
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5 | Soil structure | Mostly in clods or with a surface crust, few crumbs | Some clods but also many 10 mm crumbs | Friable, readily breaks into 10 mm crumbs |
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6 | Root development | Few fine roots only found near the surface | Some fine roots mostly near the surface | Many fine roots throughout |
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7 | Aggregate stability, 10 - 20 cm depth | Aggregate broke apart in less than one minute | Aggregate remained intact after one minute | Aggregate remained intact after swirling |
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8 | Soil pH, 5 - 20 cm depth | pH 5 or lower | pH 5.5 | pH 6 to pH 7 |
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9 | Plant size and leaf colour | Stunted plants, leaf discolouration | Some variation in growth and colour | Appropriate leaf colour and uniform plant growth |
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