31, table of contents

31, Monography Danyte V. Potassium status of winter wheat and maize depending on nitrogen fertilization

1. INTRODUCTION, 3
2. LITERATURE 6
3. MATERIALS AND METHODS 8
4. RESULTS 21
4.1. Comparative characteristics of the different forms of potassium in plants 21
4.1.1 KSIM versus KSS 23
4.1.2 KRDM versus KSS 25
4.1.3 KDM versus KSS 27
4.2. Yield of winter wheat, maize, and N, K content in grain and straw and stalks 29
4.2.1 Winter wheat 29
4.2.2 Maize 34
4.3. The content KDM in dry matter and concentrations KSIM of potassium in plants 40
4.3.1Experiments with winter wheat 40
4.3.2 Experiments with maize – leaves 46
4.3.3 Experiments with maize the whole plants 49
4.3.4 The content of nitrogen in plant dry matter 53
5. DISCUSSION 56
5.1. Analytical approaches 56
5.2. Crops yield and content of available potassium in the soil 58
5.3. Critical potassium content and concentration 60
5.4. The dilution curves of nitrogen and potassium content in plants 62
5.5. Conclusions 71
6. REFERENCES 72
7. SUMMARY 81
8. STRESZCZENIE 83
9. ANNEX 86

 
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