Fertimetro, a Principle and Device to Measure Soil Nutrient Availability for Plants by Microbial Degradation Rates on Differently-Spiked Buried Threads
Abstract
:1. Introduction
2. Materials and Methods
2.1. The Experimental Site
2.2. Analysis of Soil Microbial Activities on Threads
3. Results and Discussion
3.1. Cotton Threads’ Reporting Performance
3.2. Silk Threads’ Reporting Performance
3.3. Productivity Prediction by the Fertimetro
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Designation | Treatment |
---|---|
0 | No fertilization |
0 + r | No fertilization + crop residues |
L1 + M | Manure (30 t ha−1 year−1) + mineral fertilizer (150 N + 75 P2O5 + 210 K2O kg ha−1 year−1) |
L2 | Manure (60 t ha−1 year−1) |
Lq1 + M + r | Slurry (60 t ha−1 year−1) + mineral fertilizer (150 N + 75 P2O5 + 210 K2O kg ha−1 year−1) + crop residues |
Lq2 + r | Slurry (120 t ha−1 year−1) + crop residues |
M2 | Mineral fertilizer (300 N + 150 P2O5 + 420 K2O kg ha−1 year−1) |
M2 + r | Mineral fertilizer (300 N + 150 P2O5 + 420 K2O kg ha−1 year−1) + crop residues |
Corn Yield (October) | Fertimetro Data (May) | r Coefficient | p-Value |
---|---|---|---|
Yield of corn grain (tons per hectare) | % degradation cotton control | 0.78 | 0.0001 *** |
Yield of corn grain (tons per hectare) | % degradation cotton + nitrogen | 0.70 | 0.0001 *** |
Yield of corn grain (tons per hectare) | % degradation cotton + phosphorus | 0.55 | 0.0049 ** |
Yield of corn straw (tons per hectare) | % degradation cotton control | 0.73 | 0.0001 *** |
Fat content % in corn grain | % degradation cotton control | −0.63 | 0.0009 *** |
Starch content % in corn grain | % degradation cotton control | 0.47 | 0.0200 * |
% humidity in corn grain | % degradation cotton control | −0.63 | 0.0009 *** |
Protein content % in corn grain | % degradation silk + phosphorus | −0.43 | 0.0339 * |
Starch content % in corn grain | % degradation silk + phosphorus | 0.42 | 0.0395 * |
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Concheri, G.; Tiozzo, S.; Stevanato, P.; Morari, F.; Berti, A.; Polese, R.; Borin, M.; Squartini, A. Fertimetro, a Principle and Device to Measure Soil Nutrient Availability for Plants by Microbial Degradation Rates on Differently-Spiked Buried Threads. Soil Syst. 2019, 3, 3. https://doi.org/10.3390/soilsystems3010003
Concheri G, Tiozzo S, Stevanato P, Morari F, Berti A, Polese R, Borin M, Squartini A. Fertimetro, a Principle and Device to Measure Soil Nutrient Availability for Plants by Microbial Degradation Rates on Differently-Spiked Buried Threads. Soil Systems. 2019; 3(1):3. https://doi.org/10.3390/soilsystems3010003
Chicago/Turabian StyleConcheri, Giuseppe, Stefano Tiozzo, Piergiorgio Stevanato, Francesco Morari, Antonio Berti, Riccardo Polese, Maurizio Borin, and Andrea Squartini. 2019. "Fertimetro, a Principle and Device to Measure Soil Nutrient Availability for Plants by Microbial Degradation Rates on Differently-Spiked Buried Threads" Soil Systems 3, no. 1: 3. https://doi.org/10.3390/soilsystems3010003