Transcription of soil test interpretations recommendations jan 2005
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1. soil TEST interpretations . AND. recommendations HANDBOOK. Originally written 1983. By Daryl D. Buchholz Revised 5/2004. Contributors: James R. Brown Deanna K. Crocker John D. Garrett Roger G. Hanson John A. Lory Manjula V. Nathan Peter C. Scharf Howell N. Wheaton University of Missouri College of Agriculture Division of Plant Sciences 2. TABLE OF CONTENTS. Page No. INTRODUCTION 1. NITROGEN 6. AVAILABLE PHOSPHORUS ..13. EXCHANGEABLE POTASSIUM ..20. soil ACIDITY AND LIMESTONE ..27. EXCHANGEABLE MAGNESIUM 32. EXCHANGEABLE CALCIUM ..34. SULFUR ..35. MICRONUTRIENTS (ZINC, IRON, MANGANESE, COPPER) ..37. CATION EXCHANGE CAPACITY .40. APPENDIX ..41. CROP CODE 201. Southern peas ..42. CROP CODE 202. Watermelon.
2 2 Nitrogen The Soil Test Nitrogen is a mobile nutrient in the soil. Nearly all soils in Missouri require nitrogen for optimum production of crops requiring nitrogen uptake.
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