A field experiment was conducted at the Agric. Res. Station, Fac. Agric., Zagazig Univ., Sharkia Governorate, Egypt, during the winter seasons of 2019/2020 and 2020/2021. The investigation aimed at studying the impact of ten bio-chemical phosphorus fertilization and lithovit regimes on some qualitative traits of forage for 1^stand 3^rd cuts of six Egyptian clover varieties (Berseem, Trifolium alexandrinum L.) q.e. Helaly, Sakha 4, Gemmeiza 1, Giza 6, Serw 1, and local variety. The ten bio-chemical phosphorus fertilization and lithovit regimes were F₁, control; F₂, chemical phosphorus, 15.5 Kg P₂O₅ /fad., F₃, bio-phosphorus fertilizer “Phosphorien"; F₄,50% of F₂ + phosphorien; F₅, 25% of F₂ + phosphorien; F₆, F₂ + lithovit; F₇, F₃ + lithovit; F₈, F₄ + lithovit; F₉, F₅ + lithovit; F₁₀, sole lithovit. Results disclosed varietal differences in each of phosphorus content (P%), digestible energy (DE Kcal/g dry matter), protein yield (Kg/fad.), as well as carbohydrate and fiber yields (Kg/fad.) in both the 1^st and the 3^rd cuts. The ten bio-chemical phosphorus fertilization and lithovit regimes resulted in a significant impact on the above cited traits in both the 1^st and the 3^rd cuts.