(USA)The operation of soil and plant testing services in the USA
18 ref.
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| Main Authors: | , , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
Rome (Italy) FAO
1980
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| Subjects: | LABORATORIES, SOIL ANALYSIS, TISSUE ANALYSIS, EXTENSION ACTIVITIES, PHOSPHORUS, CALCIUM, SODIUM, POTASSIUM, MAGNESIUM, NUTRITIONAL REQUIREMENTS, LABORATOIRE, ANALYSE DE SOL, ANALYSE DE TISSUS, LABORATORIOS, ANALISIS DEL SUELO, ANALISIS DE TEJIDOS, VULGARISATION, PHOSPHORE, BESOIN NUTRITIONNEL, EXTENSION, FOSFORO, CALCIO, SODIO, POTASIO, MAGNESIO, NECESIDADES DE NUTRIENTES, |
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| Summary: | 18 ref. |
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