农业科学

• 亏缺

  There are two kinds of resources in Potassium, one is the powder of granite and the other is straw, which can provide with 820t to 980t Potassium (K2O) to greatly relieve the waning of Potassium.

  石棉可供开发利用的钾素资源有花岗岩石粉末和秸杆两大类，它们每年可提供约820～980t的钾素(K2O)，可大大缓解土壤钾的亏缺。