FACTS Northern Ireland - Basis

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Aim MODULE 4 - CROP NUTRIENTS IN PLANTS AND THE FACTORS INFLUENCING THE AMOUNT OF FERTILISER REQUIRED To understand the principles of integrated crop nutrient management and the various factors which, together with fertiliser and organic nutrient application, can be used to satisfy crop requirements. 4.1 Competence Candidates must be able to estimate the nutrient requirements of a particular crop and appraise a range of nutrient sources available to clients, prior to constructing nutrient and fertiliser plans and to make fertiliser recommendations to meet crop requirements and have due regard to the environment. 4.2 Performance Criteria Candidates must be able to: • explain the role of all plant nutrients • calculate typical rates of uptake and removal of nutrients by different crops • indicate typical symptoms of deficiencies of major and micronutrients • explain the use of soil analysis as a basis for nutrient recommendations • interpret the ‘Law of Limiting Factors’ • interpret nutrient response curves and the effect of the "Law of Diminishing Returns" • use a response curve to calculate an approximate break-even rate for a major nutrient, eg nitrogen in cereals and explain how economic changes can affect the nutrient recommendations • distinguish between "economic" and "maximum biological yield" assess and appraise the effects of crop rotation, farming practices and crop quality specifications on nutrient availability and requirement • interpret situations suitable for "maintenance applications" in maintaining soil nutrient reserves and ensuring effective crop response • understand and interpret the main units in which advice is given and convert between the different units giving advice in metric with imperial conversions 4.3 Essential Knowledge and Skills Candidates must have the ability to: • explain keywords: locking up, immobilisation, mineralisation, nitrification, de-nitrification, leaching, volatilisation, uptake • demonstrate an understanding of how to approach diagnosis of nutrient deficiencies, eg take soil and plant samples, use pH kits • demonstrate interpretation of soil and tissue analysis results and their limitations, prior to drawing up recommendations • demonstrate an ability to diagnose nutrient disorders in the context of other crop disorders • convert between metric and imperial units and, where liquids are used, between weight/weight and weight/volume declaration 20
• demonstrate an awareness of market requirements in certain crops and the effect nutrients may have on them: 20% of total time a) grain protein for bread quality b) grain N for malting barley quality c) non-protein N for sugar beet quality d) DM content of processing potatoes 21
Page 1 and 2: CONTENTS Page General Information I
Page 3 and 4: FACTS SYLLABUS & INFORMATION Introd
Page 5 and 6: FACTS SCHEME - OBJECTIVES The overa
Page 7 and 8: FACTS TERMINOLOGY AND DEFINITIONS R
Page 9 and 10: THE BASIS® DILPOMA IN AGRONOMY Bot
Page 11 and 12: The form should be presented to the
Page 13 and 14: Pre-FACTS Training Before taking a
Page 15 and 16: THE NATIONAL SYLLABUS The overall a
Page 17 and 18: Aim MODULE 2 - ORGANIC NUTRIENT SOU
Page 19: Aim MODULE 3 - NATURE AND PROPERTIE
Page 23 and 24: Aim MODULE 6 - THE TRANSPORT, STORA
Page 25 and 26: Aim MODULE 8 - CODE OF GOOD AGRICUL
Page 27 and 28: SAMPLE FERTILISER SCENARIO The foll
Page 29 and 30: REFERENCE MATERIALS The following l
Page 31 and 32: BOOKS ARE AVAILABLE FROM: Landsmans
Page 33 and 34: The FACTS qualification (by examina
Page 35 and 36: CERTIFICATE OF COMPETENCE IN FERTIL
Page 37 and 38: The following Colleges, Trainers an

FACTS Northern Ireland - Basis

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