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Gandhi and Nehru helped create a myth of nonviolence in ancient India that obscures a troubled, complex heritage: a long struggle to reconcile the ethics of nonviolence with the need to use violence to rule. Upinder Singh documents the tension between violence and nonviolence in ancient Indian political thought and practice, 600 BCE to 600 CE.

Long term fertilizer experiment studies has revealed that due to continuous use of nitrogenous fertilizers, the pH of soil and available P status decreased significantly from the initial status. The transformation of added phosphorus greatly depends on the physical and chemical environment of the soil and pH is one of the factors which affect its transformation as the ionic forms of inorganic P are pH dependent. As P is second most important nutrient after N for plant growth, hence, understanding the transformation and distribution of various forms of P in soil receiving continuous fertilizer...