(Soil ph) may be affected by irrigation.Logical formLearned from2 sentences. Grazing can be beneficial to (indicator species) of phs.Logical formLearned from2 sentences. (Indicator species) can be constituted-of-or-filled-with phs.Logical formLearned from2 sentences. A ph of a treatment may be attributed.Logical formLearned from2 sentences. (Ph conditions) can be neutral.Logical formLearned from2 sentences. Phs may show (metal levels).Logical formLearned from2 sentences. A ph may be determined by concentration of base.Logical formLearned from2 sentences. Intracellular phs may undergo a regulation.Logical formLearned from2 sentences. Effects of ph may be studied.Logical formLearned from2 sentences. States may accord to ph.Logical formLearned from2 sentences. (Ph ranges) can be narrow.Logical formLearned from2 sentences. A ph may change little.Logical formLearned from2 sentences. A ph may undergo an estimation.Logical formLearned from2 sentences. Some experiments may be performed at a ph.Logical formLearned from2 sentences. A ph can be published.Logical formLearned from2 sentences.