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Potato Phosphorus Response in Soils with High Value of Phosphorus
| Content Provider | MDPI |
|---|---|
| Author | Jasim, Ahmed Sharma, Lakesh Zaeen, Ahmed Bali, Sukhwinder Buzza, Aaron Alyokhin, Andrei |
| Copyright Year | 2020 |
| Description | Phosphorus (P) is an element that is potatoes require in large amounts. Soil pH is a crucial factor impacting phosphorus availability in potato production. This study was conducted to evaluate the influence of P application rates on the P efficiency for tuber yield, specific gravity, and P uptake. Additionally, the relationship between soil pH and total potato tuber yield was determined. Six rates of P fertilization (0–280 kg P ha−1) were applied at twelve different sites across Northern Maine. Yield parameters were not responsive to P application rates. However, regression analysis showed that soil pH was significantly correlated with total potato tuber yield(R2 = 0.38). Sites with soil pH values < 6 had total tuber yields, marketable tuber yields, tuber numbers per plant, and total tuber mean weights that were all higher than these same parameters at sites with soil pH ≥ 6. All sites with soil pH< 6 showed a highly correlated relationship between P uptake and petiole dry weight (R2 = 0.76). The P application rate of 56 kg P ha−1 was the best at sites with a soil pH < 6, but 0–56 kg P ha−1 was the best at sites with soil pH ≥ 6. |
| Starting Page | 264 |
| e-ISSN | 20770472 |
| DOI | 10.3390/agriculture10070264 |
| Journal | Agriculture |
| Issue Number | 7 |
| Volume Number | 10 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2020-07-03 |
| Access Restriction | Open |
| Subject Keyword | Agriculture Agronomy Solanum Tuberosum L. Total Potato Yield Soil Ph Potato Marketable Yield |
| Content Type | Text |
| Resource Type | Article |
