Total fertilizers have all 3 of the first macronutrients. Some fertilizers contain only one or two from the a few major nutrients, like nitrate of soda (16-0-0), a good choice Whenever your soil exam indicates high amounts of P and K. Having said that, manure delivers lots of oblique Rewards. https://zanderfukap.blogdosaga.com/37569344/potash-fertilizer-afghanistan-fundamentals-explained