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Pistachio Zinc deficiency
Estimating soil nutrient contentSoil micro-nutrients can be quite difficult to measure - due to issues of sample contamination.
Laboratory methods. : The American Society of Agronomy have a series of excellent publications outlining laboratory methods for soil analysis Link |
MicronutrientsMicro-nutrient deficiencies are increasingly observed - especially in heavily cropped areas. There are 7 micro-nutrients essential for plant growth:
Soil nutrient deficiencies
Plant deficiency symptoms: Plant deficiency symptoms often are one of the best indicators of possible deficiency or excess (Link).
Soil pH: Soil pH can be a good indicator of the probability of a nutrient deficiency Link (requires flash) Simple tests for identifying deficiencies: There are a number of simple tests for identifying possible plant nutrient deficiencies (Link) |