IoFarm in Field Test: Does a Cost-Optimal Choice of Fertilization Influence Yield, Protein Content, and Market Performance in Crop Production?
Abstract
:1. Introduction
2. Materials and Methods
2.1. IoFarm Decision-Support System
2.2. Site Description and Weather Conditions
2.3. Field Experiment
2.4. General Cultivation Management
- WB: 320 tsr m−2, KWS Meridian variety approx. 25 September, drill sowing.
- WW: 340 tsr m−2, Patras variety, approx. 5 October, drill sowing.
- SM: 9 tsr m−2, P8589 variety, approx. 25 April, precision seeding, row width 75 cm.
2.5. Crop and Soil Analysis
2.6. Statistical Analysis
3. Results
3.1. Comparison of Nutrient Supply and Fertilizer Use
3.2. Analysis of Variance
3.3. Effects on Protein Content in Cereals
3.4. Effects of IoFarm Decision Support System on Market Performance
3.5. Effects on Yield Components
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
CAN | Calcium ammonium nitrate |
DAP | Diammonphosphat |
DM | Dry matter |
DSS | Decision support system |
Dt | Decitonne |
Tsr | Target seeding rate accounting for germination |
K | Potash |
Mg | Magnesium |
N | Nitrogen |
Nmin | mineral soil nitrogen |
P | Phosphate |
S | Sulfur |
SE | Standard error |
TSP | Triplesuperphosphate |
Appendix A
Geiselsberg: 2016 | | | IO | | | | | FM | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code | | | SM | WB | WW | ||
Mar | | | 12: 18,46,0,0,0, −36 | | | 2.6 | | | 02: 27,0,0,4,0, −9 | | | 2.5 | 2.5 | |||
| | 21: 0,0,40,6,5,0 | | | 3.3 | | | | | |||||||
| | 26: 0,0,0,14,0,53 | | | 3.0 | | | | | |||||||
Apr | | | 12: 18,46,0,0,0, −36 | | | 1.8 | | | 02: 27,0,0,4,0, −9 | | | 1.0 | ||||
| | 24: 0,0,0,25,20,0 | | | 0.8 | | | 19: 0,0,46,0,0, −1 | | | 2.5 | |||||
| | 04: 46,0,0,0,0, −46 | | | 1.2 | | | 07: 21,0,0,0,24, −63 | | | 1.5 | |||||
| | | | | | 12: 18,46,0,0,0, −36 | | | 2.0 | |||||||
May | | | 04: 46,0,0,0,0, −46 | | | 2.1 | 1.7 | | | 02: 27,0,0,4,0, −9 | | | 2.0 | |||
| | 21: 0,0,40,6,5,0 | | | 1.4 | 4.7 | | | 04: 46,0,0,0,0,−46 | | | 3.0 | ||||
| | 12: 18,46,0,0,0, −36 | | | 2.4 | 2.6 | | | 12: 18,46,0,0,0,−36 | | | 2.0 | ||||
| | 07: 21,0,0,0,24, −63 | | | 0.8 | | | | | |||||||
| | 25: 0,0,0,0,2,50 | | | 3.0 | | | | | |||||||
| | 26: 0,0,0,14,0,53 | | | 6.1 | | | | | |||||||
Jun | | | 04: 46,0,0,0,0, −46 | | | 1.1 | | | 02: 27,0,0,4,0,−9 | | | 2.0 | ||||
Jul | | | 12: 18,46,0,0,0, −36 | | | 1.1 | | | | | ||||||
Geiselsberg: 2017 | | | IO | | | | | FM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Aug | 19: 0,0,46,0,0, −1 | | | 2.9 | 4.5 | | | | | ||||||
Oct | 26: 0,0,0,14,0,53 | | | 3.0 | 3.0 | | | | | ||||||
Nov | | | | | 26: 0,0,0,14,0,53 | | | 6.0 | 6.0 | ||||||
Mar | 02: 27,0,0,4,0, −9 | | | 1.3 | | | 02: 27,0,0,4,0,−9 | | | 2.5 | |||||
21: 0,0,40,6,5,0 | | | 0.8 | 0.8 | | | 19: 0,0,46,0,0,−1 | | | 1.5 | |||||
24: 0,0,0,25,20,0 | | | 0.8 | | | 13: 20,20,0,0,0,−31 | | | 3.5 | ||||||
Apr | 07: 21,0,0,0,24, −63 | | | 1.0 | | | 13: 20,20,0,0,0,−31 | | | 3.5 | |||||
02: 27,0,0,4,0, −9 | | | 2.5 | | | 02: 27,0,0,4,0,−9 | | | 2.0 | ||||||
| | | | 21: 0,0,40,6,5,0 | | | 2.0 | ||||||||
May | 04: 46,0,0,0,0, −46 | | | 2.0 | 3.0 | | | 02: 27,0,0,4,0,−9 | | | 1.0 | ||||
12: 18,46,0,0,0, −36 | | | 2.5 | | | 04: 46,0,0,0,0,−46 | | | 2.0 | ||||||
02: 27,0,0,4,0, −9 | | | 2.1 | | | 12: 18,46,0,0,0,−36 | | | 3.0 | ||||||
07: 21,0,0,0,24,−63 | | | 0.9 | | | | | ||||||||
Geiselsberg: 2018 | | | IO | | | | | FM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Mar | 04: 46,0,0,0,0, −46 | | | 1.5 | | | 02: 27,0,0,4,0,−9 | | | 2.5 | 3 | ||||
12: 18,46,0,0,0, −36 | | | 2.4 | | | 12: 18,46,0,0,0,−36 | | | 2 | ||||||
04: 46,0,0,0,0, −46 | | | 2 | | | 26: 0,0,0,14,0,53 | | | 3 | ||||||
07: 21,0,0,0,24, −63 | | | 0.8 | | | 19: 0,0,46,0,0,−1 | | | 5 | ||||||
12: 18,46,0,0,0, −36 | | | 0.8 | | | 22: 0,0,40,6,5,0 | | | 5 | ||||||
26: 0,0,0,14,0,53 | | | 3.7 | | | 24: 0,0,0,25,20,0 | | | 1.5 | ||||||
Apr | 07: 21,0,0,0,24, −63 | | | 0.8 | | | 04: 46,0,0,0,0,−46 | | | 1.7 | |||||
26: 0,0,0,14,0,53 | | | 7.3 | | | 12: 18,46,0,0,0,−36 | | | 4.5 | ||||||
02: 27,0,0,4,0, −9 | | | 4.7 | | | 21: 0,0,40,6,5,0 | | | 5 | ||||||
12: 18,46,0,0,0, −36 | | | 2.2 | | | 26: 0,0,0,14,0,53 | | | 13 | ||||||
May | 04: 46,0,0,0,0, −46 | | | 0.8 | 1.3 | | | 02: 27,0,0,4,0,−9 | | | 2.3 | 2.5 | |||
21: 0,0,40,6,5,0 | | | 1.2 | | | | | ||||||||
24: 0,0,0,25,20,0 | | | 2.9 | | | | | ||||||||
Jun | | | | | 02: 27,0,0,4,0,−9 | | | 1.5 | |||||||
Triesdorf: 2016 | | | IO | | | | | FM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Mar | 04: 46,0,0,0,0, −46 | | | 1.3 | 0.8 | | | 15: 15,15,15,0,2,−15 | | | 4.0 | ||||
12: 18,46,0,0,0, −36 | | | 0.8 | | | 17: 23,5,5,0,6,−23 | | | 2.5 | ||||||
21: 0,0,40,6,5,0 | | | 4.8 | | | | | ||||||||
Apr | 21: 0,0,40,6,5,0 | | | 8.4 | 5.6 | | | 04: 46,0,0,0,0,−46 | | | 2.5 | ||||
12: 18,46,0,0,0, −36 | | | 0.9 | | | 12: 18,46,0,0,0,−36 | | | 2.0 | ||||||
| | | | 06: 26,0,0,0,13,−49 | | | 2.0 | ||||||||
May | 04: 46,0,0,0,0, −46 | | | 2.1 | 0.8 | | | 06: 26,0,0,0,13,−49 | | | 1.5 | ||||
12: 18,46,0,0,0, −36 | | | 3.6 | 0.8 | 1.4 | | | | | ||||||
Jun | 04: 46,0,0,0,0, −46 | | | 1.1 | | | 06: 26,0,0,0,13,−49 | | | 2.0 | 2.7 | ||||
Jul | 12: 18,46,0,0,0, −36 | | | 2.2 | | | | | |||||||
Triesdorf: 2017 | | | IO | | | | | FM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Feb | 21: 0,0,40,6,5,0 | | | 1.6 | 0.8 | | | | | ||||||
Mar | 02: 27,0,0,4,0, −9 | | | 1.1 | 2.5 | | | 05: 24,0,0,0,6,−34 | | | 2.5 | ||||
| | | | 20: 0,16,16,2,7,6 | | | 5.0 | 4.0 | |||||||
| | | | 18: 23,5,5,0,6,−23 | | | 2.5 | ||||||||
Apr | 11: 9,0,0,0,0, −9 | | | 2.4 | | | 05: 24,0,0,0,6,−34 | | | 2.0 | 1.5 | ||||
02: 27,0,0,4,0, −9 | | | 2.1 | | | | | ||||||||
21: 0,0,40,6,5,0 | | | 2.4 | | | | | ||||||||
May | 02: 27,0,0,4,0, −9 | | | 1,6 | 1.6 | 1.7 | | | 02: 27,0,0,4,0,−9 | | | 3.0 | |||
07: 21,0,0,0,24, −63 | | | 0.8 | 0.8 | 0.8 | | | 05: 24,0,0,0,6,−34 | | | 2.5 | ||||
11: 9,0,0,0,0, −9 | | | 2.3 | | | 04: 46,0,0,0,0,−46 | | | 3.0 | ||||||
12: 18,46,0,0,0, −36 | | | 1.4 | 0.8 | | | 12: 18,46,0,0,0,−36 | | | 1.0 | |||||
04: 46,0,0,0,0, −46 | | | 1.8 | | | | | ||||||||
Jun | 11: 9,0,0,0,0, −9 | | | 1.1 | | | | | |||||||
Triesdorf: 2018 | | | IO | | | | | FM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Mar | 02: 27,0,0,4,0, −9 | | | 1.4 | | | 05: 24,0,0,0,6,−34 | | | 2.5 | |||||
04: 46,0,0,0,0, −46 | | | 3.9 | 1.0 | | | 20: 0,16,16,2,7,6 | | | 1.7 | |||||
24: 0,0,0,25,20,0 | | | 0.9 | | | 22: 0,0,40,6,5,0 | | | 3.7 | 6.4 | |||||
| | | | 06: 26,0,0,0,13,−49 | | | 2.5 | ||||||||
| | | | 19: 0,0,46,0,0,−1 | | | 3.6 | ||||||||
| | | | 24: 0,0,0,25,20,0 | | | 2.0 | ||||||||
Apr | 02: 27,0,0,4,0, −9 | | | 1.0 | 1.8 | | | 14: 15,5,20,2,8,−14 | | | 8.0 | 10.0 | |||
24: 0,0,0,25,20,0 | | | 0.8 | | | 24: 0,0,0,25,20,0 | | | 1.3 | 1.8 | |||||
04: 46,0,0,0,0, −46 | | | 1.7 | | | 04: 46,0,0,0,0,−46 | | | 3.5 | ||||||
07: 21,0,0,0,24, −63 | | | 0.8 | | | 22: 0,0,40,6,5,0 | | | 5.8 | ||||||
12: 18,46,0,0,0, −36 | | | 1.2 | | | | | ||||||||
21: 0,0,40,6,5,0 | | | 1.2 | | | | | ||||||||
May | 04: 46,0,0,0,0, −46 | | | 1.1 | | | | | |||||||
12: 18,46,0,0,0, −36 | | | 0.9 | | | | | ||||||||
21: 0,0,40,6,5,0 | | | 7.4 | | | | | ||||||||
Jun | 02: 27,0,0,4,0, −9 | | | 0.8 | | | | | |||||||
Roggenstein: 2016 | | | IO | | | | | FM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Mar | 04: 46,0,0,0,0, −46 | | | 0.8 | 2.3 | | | 12: 18,46,0,0,0,−36 | | | 3 | 4 | |||
07: 21,0,0,0,24, −63 | | | 0.8 | | | 24: 0,0,0,25,20,0 | | | 0.5 | 0.5 | |||||
12: 18,46,0,0,0, −36 | | | 0.8 | 1 | | | | | |||||||
26: 0,0,0,14,0,53 | | | 5.5 | 4.1 | | | | | |||||||
21: 0,0,40,6,5,0 | | | 2.8 | | | | | ||||||||
Apr | 26: 0,0,0,14,0,53 | | | 5.1 | | | 02: 27,0,0,4,0,−9 | | | 2.6 | |||||
May | 04: 46,0,0,0,0, −46 | | | 3.3 | 1.2 | | | 02: 27,0,0,4,0,−9 | | | 3.1 | 1.7 | |||
12: 18,46,0,0,0, −36 | | | 4 | 0.8 | 0.8 | | | 04: 46,0,0,0,0,−46 | | | 2.5 | ||||
21: 0,0,40,6,5,0 | | | 8.4 | 1.5 | 1.8 | | | 12: 18,46,0,0,0,−36 | | | 3 | ||||
| | | | 21: 0,0,40,6,5,0 | | | 10 | ||||||||
| | | | 26: 0,0,0,14,0,53 | | | 10 | ||||||||
Jun | 12: 18,46,0,0,0, −36 | | | 1.6 | 2.3 | | | 02: 27,0,0,4,0,−9 | | | 3.2 | ||||
Jul | 03: 28,0,0,0,0, −28 | | | 1.7 | | | | | |||||||
Sep | | | | | 26: 0,0,0,14,0,53 | | | 12 | 12 | ||||||
Roggenstein: 2017 | | | IO | | | | | FM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Feb | 21: 0,0,40,6,5,0 | | | 1.9 | 0.8 | | | | | ||||||
Mar | 02: 27,0,0,4,0, −9 | | | 2.8 | | | 02: 27,0,0,4,0,−9 | | | 2.2 | 2.2 | ||||
26: 0,0,0,14,0,53 | | | 4.7 | 8.6 | | | | | |||||||
03: 28,0,0,0,0, −28 | | | 5.7 | | | | | ||||||||
Apr | 11: 9,0,0,0,0, −9 | | | 0.8 | | | 01: 27,0,0,0,0,−15 | | | 2.8 | |||||
26: 0,0,0,14,0,53 | | | 10 | | | 10: 46,0,0,0,0,−46 | | | 2.5 | ||||||
07: 21,0,0,0,24, −63 | | | 1.1 | | | 07: 21,0,0,0,24,−63 | | | 1.5 | 1 | |||||
10: 46,0,0,0,0, −46 | | | 2.7 | | | 12: 18,46,0,0,0,−36 | | | 3 | 3 | 2.5 | ||||
12: 18,46,0,0,0, −36 | | | 2.1 | | | 22: 0,0,40,6,5,0 | | | 10 | ||||||
May | 04: 46,0,0,0,0, −46 | | | 1.2 | | | 01: 27,0,0,0,0,−15 | | | 2 | |||||
07: 21,0,0,0,24, −63 | | | 0.8 | 0.8 | | | | | |||||||
12: 18,46,0,0,0, −36 | | | 3.1 | 2.5 | | | | | |||||||
Jun | 12: 18,46,0,0,0, −36 | | | 0.8 | | | | | |||||||
Roggenstein: 2018 | | | IO | | | | | FM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Mar | 02: 27,0,0,4,0, −9 | | | 1.1 | 1 | | | 06: 26,0,0,0,13,−49 | | | 2.5 | 2.3 | |||
04: 46,0,0,0,0, −46 | | | 1.9 | 1.5 | | | | | |||||||
12: 18,46,0,0,0, −36 | | | 2.7 | | | | | ||||||||
07: 21,0,0,0,24, −63 | | | 0.8 | | | | | ||||||||
Apr | 26: 0,0,0,14,0,53 | | | 4.5 | 3.2 | | | 01: 27,0,0,0,0,−15 | | | 1.2 | 1.4 | |||
02: 27,0,0,4,0, −9 | | | 2 | | | 02: 27,0,0,4,0,−9 | | | 0.7 | ||||||
04: 46,0,0,0,0, −46 | | | 2 | | | 12: 18,46,0,0,0,−36 | | | 3.5 | 3.7 | 2.3 | ||||
12: 18,46,0,0,0, −36 | | | 3.6 | | | 26: 0,0,0,14,0,53 | | | 4.5 | ||||||
21: 0,0,40,6,5,0 | | | 8.1 | | | 22: 0,0,40,6,5,0 | | | 11 | ||||||
May | 04: 46,0,0,0,0, −46 | | | 1.5 | | | 01: 27,0,0,0,0,−15 | | | 3.5 | 2.9 | ||||
21: 0,0,40,6,5,0 | | | 0.8 | 5 | | | | | |||||||
12: 18,46,0,0,0, −36 | | | 1.5 | | | | | ||||||||
Triesdorf: 2016 | | | oIO | | | | | oFM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Mar | 28: Digestate | | | 13 | | | 05: 24,0,0,0,6,−34 | | | 2.5 | 2.5 | ||||
04: 46,0,0,0,0, −46 | | | 1.3 | | | | | ||||||||
21: 0,0,40,6,5,0 | | | 2.5 | 4.3 | | | | | |||||||
Apr | 12: 18,46,0,0,0, −36 | | | 1.7 | | | 28: Digestate | | | 18 | 22 | ||||
May | 07: 21,0,0,0,24, −63 | | | 0.8 | | | 07: 21,0,0,0,24,−63 | | | 2 | |||||
28: Digestate | | | 48 | 20 | | | 28: Digestate | | | 40 | |||||
04: 46,0,0,0,0, −46 | | | 1 | | | | | ||||||||
12: 18,46,0,0,0, −36 | | | 1.4 | | | | | ||||||||
Jun | 04: 46,0,0,0,0, −46 | | | 1 | | | 05: 24,0,0,0,6,−34 | | | 2 | 2 | ||||
Triesdorf: 2017 | | | oIO | | | | | oFM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Mar | 03: 28,0,0,0,0, −28 | | | 1.1 | 3.5 | | | 05: 24,0,0,0,6,−34 | | | 2.5 | 2.5 | |||
28: Digestate | | | 13 | | | 20: 0,16,16,2,7,6 | | | 5 | ||||||
Apr | 28: Digestate | | | 13 | 43 | 13 | | | 28: Digestate | | | 25 | 35 | 20 | |
May | 07: 21,0,0,0,24, −63 | | | 0.8 | 0.8 | | | 12: 18,46,0,0,0,−36 | | | 1 | ||||
11: 9,0,0,0,0, −9 | | | 1.9 | 1.3 | | | 05: 24,0,0,0,6,−34 | | | 1 | 2 | ||||
12: 18,46,0,0,0, −36 | | | 0.8 | 0.8 | | | | | |||||||
07: 21,0,0,0,24, −63 | | | 0.8 | | | | | ||||||||
Jun | 11: 9,0,0,0,0, −9 | | | 0.8 | | | | | |||||||
Triesdorf: 2018 | | | oIO | | | | | oFM | |||||||
Fertilizer Code * | | | SM | WB | WW | | | Fertilizer Code * | | | SM | WB | WW | ||
Mar | 02: 27,0,0,4,0,−9 | | | 1.4 | | | 06: 26,0,0,0,13,−49 | | | 2 | |||||
04: 46,0,0,0,0,−46 | | | 2.8 | | | 19: 0,0,46,0,0,−1 | | | 0.8 | ||||||
24: 0,0,0,25,20,0 | | | 0.8 | | | 05: 24,0,0,0,6,−34 | | | 2.5 | ||||||
| | | | 20: 0,16,16,2,7,6 | | | 5 | ||||||||
| | | | 24: 0,0,0,25,20,0 | | | 2.2 | ||||||||
Apr | 28: Digestate | | | 13 | 24 | 44 | | | 04: 46,0,0,0,0,−46 | | | 1.4 | |||
04: 46,0,0,0,0,−46 | | | 1.3 | | | 02: 27,0,0,4,0,−9 | | | 1 | 1.5 | |||||
| | | | 28: Digestate | | | 20 | 20 | 40 | ||||||
| | | | 20: 0,16,16,2,7,6 | | | 1.2 | ||||||||
| | | | 24: 0,0,0,25,20,0 | | | 1.5 | ||||||||
May | 02: 27,0,0,4,0,−9 | | | 2.2 | | | 02: 27.0.0.4.0.−9 | | | 2 | |||||
12: 18,46,0,0,0,−36 | | | 0.8 | | | 15: 15,15,15,0,2,−15 | | | 4 | ||||||
24: 0,0,0,25,20,0 | | | 1.3 | | | | | ||||||||
07: 21,0,0,0,24,−63 | | | 0.8 | | | | | ||||||||
Jun | 12: 18,46,0,0,0,−36 | | | 1.7 | | | | |
Site → | Geiselsberg | | | Triesdorf | | | Roggenstein | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Variant → | IO | FM | | | IO | FM | oIO | oFM | | | IO | FM | |||
Crop and | Nmin | Nmin | YEX ** | | | Nmin | Nmin | Nmin | Nmin | YEX ** | | | Nmin | Nmin | YEX ** |
Date ↓ | kg ha−1 | dt ha−1 | | | kg ha−1 | kg ha−1 | dt ha−1 | | | kg ha−1 | dt ha−1 | ||||
Winter Barley | | | | | |||||||||||
02/2016 | 41 | 41 | 75 | | | 46 | 46 | 46 | 46 | 75 | | | 26 | 26 | 80 |
04/2016 | 75 | | | 70 | | | 80 | ||||||||
07/2016 | H * | | | H * | | | H * | ||||||||
08/2016 | 82 | 83 | 75 | | | 65 | 69 | 72 | 67 | 75 | | | 62 | 74 | 80 |
02/2017 | 62 | 65 | 75 | | | 41 | 43 | 45 | 42 | 75 | | | 19 | 12 | 80 |
06/2017 | 70 | | | 70 | | | 75 | ||||||||
07/2017 | H * | | | H * | | | H * | ||||||||
08/2017 | 161 | 85 | 75 | | | 126 | 175 | 90 | 98 | 75 | | | 33 | 80 | |
02/2018 | 39 | 44 | 75 | | | 31 | 33 | 34 | 35 | 75 | | | 23 | 23 | 80 |
07/2018 | H * | | | H * | | | H * | ||||||||
Winter Wheat | | | | | |||||||||||
02/2016 | 52 | 52 | 85 | | | 50 | 50 | 50 | 50 | 85 | | | 30 | 30 | 89 |
04/2016 | 85 | | | 70 | | | 89 | ||||||||
08/2016 | 106 | 74 | H * | | | 49 | 41 | 43 | 37 | H * | | | 24 | 21 | H * |
09/2016 | 85 | | | 85 | | | 89 | ||||||||
02/2017 | 76 | 83 | 85 | | | 51 | 50 | 44 | 46 | 85 | | | 20 | 16 | 89 |
04/2017 | 85 | | | 80 | | | 89 | ||||||||
06/2017 | 75 | | | 75 | | | 89 | ||||||||
07/2017 | H * | | | H * | | | H * | ||||||||
08/2017 | 108 | 116 | | | | | |||||||||
09/2017 | 85 | | | 85 | | | 89 | ||||||||
10/2017 | 85 | | | 64 | 60 | 62 | 56 | 85 | | | 67 | 89 | |||
02/2018 | 49 | 44 | 85 | | | 45 | 34 | 43 | 41 | 85 | | | 32 | 32 | 89 |
07/2018 | H * | | | H * | | | H * | ||||||||
Silage Maize | | | | | |||||||||||
04/2016 | 41 | 41 | 176 | | | 49 | 49 | 49 | 49 | 160 | | | 26 | 26 | 192 |
08/2016 | 89 | 95 | 176 | | | 91 | 85 | 95 | 92 | 160 | | | 50 | 192 | |
09/2016 | H * | | | H * | | | H * | ||||||||
03/2017 | 38 | 51 | 176 | | | 38 | 23 | 26 | 30 | 160 | | | 30 | 28 | 192 |
05/2017 | 176 | | | 160 | | | 176 | ||||||||
08/2017 | 88 | 98 | 176 | | | 104 | 88 | 89 | 90 | 160 | | | 176 | ||
09/2017 | H * | | | H * | | | H * | ||||||||
10/2017 | 176 | | | 160 | | | 192 | ||||||||
03/2018 | 18 | 25 | 176 | | | 32 | 32 | 36 | 35 | 160 | | | 15 | 15 | 192 |
09/2018 | H * | | | H * | | | H * |
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Site | GB | TD | RS | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Plots | {1, … 9} | {10, … 18} | {18, … 27} | {1, … 15} | {16, … 30} | {31, … 45} | {1, … 9} | {10, … 18} | {19, … 27} | |
Soil type | Cambisol | Planosol | Cambisol | |||||||
Soil texture | Loam | Sandy Loam | Silty Clay | |||||||
Soil pH | 6.6 | 6.6 | 6.9 * | 7.3 * | 7.3 * | 7.3 * | 6.1 | 6.0 | 6.0 | |
Usable field capacity % | 17.5 | 16.2 | 16.2 | 12.7 | 15.5 | 16.0 | 24.5 | 21.8 | 23.7 | |
Bulk density | g cm−3 | 1.25 | 1.27 | 1.29 | 1.24 | 1.33 | 1.35 | 1.43 | 1.45 | 1.50 |
Organic matter | % | 2.1 | 2.2 | 2.9 | 2.5 | 2.6 | 2.4 | 1.7 | 1.7 | 1.7 |
P2O5 | mg100 g−1 | 12 | 6 | 8 | 17 | 19 | 24 | 7 | 7 | 7 |
K2O | mg100 g−1 | 36 | 28 | 22 | 17 | 18 | 19 | 14 | 15 | 16 |
MgO | mg100 g−1 | 9 | 6 | 7 | 20 | 19 | 18 | 4 | 5 | 3 |
Site: | Geiselsberg | Roggenstein | Triesdorf | Triesdorf | ||||
---|---|---|---|---|---|---|---|---|
Treatment: | FM | IO | FM | IO | FM | IO | oFM | oIO |
Silage maize | ||||||||
N + Nmin | 199 | 193 | 186 | 231 | 190 | 199 | 196 | 209 |
P2O5 | 146 | 116 | 140 | 149 | 46 | 85 | 72 | 80 |
K2O | 93 | 11 | 407 | 219 | 77 | 138 | 167 | 220 |
MgO | 100 | 74 | 108 | 99 | 27 | 25 | 44 | 48 |
S | 12 | 36 | 48 | 34 | 22 | 27 | 38 | 25 |
Winter barley | ||||||||
N + Nmin | 201 | 204 | 188 | 211 | 206 | 209 | 217 | 223 |
P2O5 | 116 | 161 | 161 | 125 | 52 | 71 | 37 | 52 |
K2O | 0 | 73 | 0 | 83 | 141 | 95 | 81 | 109 |
MgO | 28 | 57 | 92 | 103 | 27 | 30 | 19 | 15 |
S | 5 | 19 | 22 | 22 | 90 | 22 | 31 | 21 |
Winter wheat | ||||||||
N + Nmin | 235 | 234 | 247 | 242 | 236 | 220 | 234 | 190 |
P2O5 | 130 | 122 | 127 | 151 | 119 | 58 | 102 | 70 |
K2O | 67 | 79 | 0 | 111 | 199 | 194 | 167 | 65 |
MgO | 73 | 67 | 73 | 84 | 43 | 44 | 44 | 28 |
S | 30 | 28 | 25 | 26 | 105 | 34 | 70 | 25 |
Total crop rotation | ||||||||
N + Nmin | 212 | 210 | 207 | 228 | 211 | 210 | 216 | 207 |
P2O5 | 131 | 133 | 143 | 142 | 72 | 71 | 70 | 67 |
K2O | 53 | 54 | 136 | 138 | 139 | 143 | 138 | 132 |
MgO | 67 | 66 | 91 | 95 | 32 | 33 | 36 | 30 |
S | 16 | 28 | 32 | 27 | 72 | 28 | 46 | 24 |
Dependent Variable | Y (Yield) | P (Protein) | MP (Revenue) | Y_SM (Yield) | Y_WB (Yield) | Y_WW (Yield) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
F | p | F | p | F | p | F | p | F | p | F | p | |
Model | 32.1 | 0.000 | 13.1 | 0.000 | 16.5 | 0.000 | 3.2 | 0.000 | 17.1 | 0.000 | 26.9 | 0.000 |
f | 513.9 | 0.000 | 424.8 | 0.000 | 798.6 | 0.000 | 64.4 | 0.000 | 590.7 | 0.000 | 655.6 | 0.000 |
r | 0.5 | 0.613 | 1.8 | 0.233 | 0.6 | 0.581 | 0.5 | 0.646 | 1.2 | 0.343 | 0.9 | 0.453 |
e(F#R) | ||||||||||||
c | 2772.2 | 0.000 | 3797.9 | 0.000 | 386.8 | 0.000 | --- | --- | --- | --- | --- | --- |
c#f | 5.4 | 0.001 | 41.2 | 0.000 | 39.3 | 0.000 | --- | --- | --- | --- | --- | --- |
e(R#C#F) | ||||||||||||
Obs. | 297 | 198 | 297 | 99 | 99 | 99 | ||||||
Adj R2 | 0.822 | 0.640 | 0.697 | 0.240 | 0.697 | 0.788 |
P | MP | Y_SM | Y_WB | Y_WW | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø | SE | Gr. | Ø | SE | Gr. | Ø | SE | Gr. | Ø | SE | Gr. | Ø | SE | Gr. | |
0V | 9.17 | 0.22 | B | 760.5 | 32.5 | C | 142.1 | 6.85 | B | 44.7 | 2.58 | B | 40.9 | 2.33 | C |
FM | 12.13 | 0.23 | A | 1442.9 | 32.6 | A | 195.4 | 6.85 | A | 95.3 | 2.58 | A | 99.6 | 2.33 | A |
IO | 11.96 | 0.24 | A | 1440.2 | 32.7 | A | 203.1 | 6.85 | A | 93.8 | 2.58 | A | 97.5 | 2.33 | A |
oFM | 11.11 | 0.38 | A | 1338.0 | 56.2 | AB | 188.1 | 11.87 | A | 91.5 | 4.47 | A | 89.5 | 4.04 | AB |
oIO | 11.03 | 0.38 | A | 1256.2 | 56.2 | B | 171.3 | 11.87 | AB | 91.7 | 4.47 | A | 83.7 | 4.04 | B |
Crop | Year | 2016 | 2017 | 2018 |
---|---|---|---|---|
SM | EUR (dt DM)−1 | 8.13 | 8.00 | 8.20 |
WB | EUR dt−1 | 11.68 | 12.60 | 14.36 |
WW <12% XP | EUR dt−1 | 12.62 | 14.16 | 14.90 |
WW >12% XP | EUR dt−1 | 14.01 | 14.73 | 15.41 |
WW >13% XP | EUR dt−1 | 14.52 | 15.21 | 15.97 |
WW >14% XP | EUR dt−1 | 15.80 | 16.74 | 17.27 |
Variant: | 0V | FM | IO | oFM | oIO |
---|---|---|---|---|---|
Thousand-grain mass (g) | |||||
Winter barley | |||||
GB | 45 | 46 | 46 | ||
RS | 42 | 45 | 49 | ||
TD | 47 | 49 | 49 | 49 | 49 |
Winter wheat | |||||
GB | 55 | 50 | 51 | ||
RS | 47 | 51 | 51 | ||
TD | 53 | 54 | 56 | 55 | 56 |
Spikes per square meter (number) | |||||
Winter barley | |||||
GB | 484 | 721 | 756 | ||
RS | 357 | 609 | 622 | ||
TD | 392 | 732 | 657 | 665 | 611 |
Winter wheat | |||||
GB | 372 | 602 | 544 | ||
RS | 466 | 568 | 502 | ||
TD | 309 | 483 | 452 | 470 | 449 |
Grains per spike (number) | |||||
Winter barley | |||||
GB | 27 | 31 | 29 | ||
RS | 21 | 34 | 29 | ||
TD | 25 | 28 | 31 | 29 | 31 |
Winter wheat | |||||
GB | 29 | 34 | 37 | ||
RS | 16 | 37 | 41 | ||
TD | 22 | 36 | 35 | 35 | 34 |
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Tröster, M.F.; Sauer, J. IoFarm in Field Test: Does a Cost-Optimal Choice of Fertilization Influence Yield, Protein Content, and Market Performance in Crop Production? Agriculture 2021, 11, 571. https://doi.org/10.3390/agriculture11060571
Tröster MF, Sauer J. IoFarm in Field Test: Does a Cost-Optimal Choice of Fertilization Influence Yield, Protein Content, and Market Performance in Crop Production? Agriculture. 2021; 11(6):571. https://doi.org/10.3390/agriculture11060571
Chicago/Turabian StyleTröster, Michael Friedrich, and Johannes Sauer. 2021. "IoFarm in Field Test: Does a Cost-Optimal Choice of Fertilization Influence Yield, Protein Content, and Market Performance in Crop Production?" Agriculture 11, no. 6: 571. https://doi.org/10.3390/agriculture11060571