Identifying hidden factors influencing soil Olsen-P in an alkaline calcareous soil using machine learning and geostatistical techniques

M Bouray, M Bayad, A Beniaich, AG El-Naggar… - Heliyon, 2024 - cell.com
Phosphorus (P) deficiency is one of the major constraints for sustainable crop production in
calcareous soils. This study aimed to elucidate the key soil characteristics modulating the …

Soil sampling depth effect on critical soil test values of phosphorus for conservation agriculture

T Tiecher, L Gatiboni, D Osmond… - Crop, Forage & …, 2023 - Wiley Online Library
The critical soil test value (CSTV) of phosphorus (P) is the threshold where it is possible to
obtain 95–100% of the maximum crop yield. Although the P buildup in the topsoil of …

The Relationship Between Soil Biology and Soil Test Phosphorus-A Natural Management of Soil Phosphorus Through Conservation Practices

CF Winter - 2024 - search.proquest.com
Phosphorus (P) management is an ongoing challenge in modern agriculture. Due to the
importance of P in agriculture, P fertilizer additions are made throughout the US to avoid …