Humus soil transformed through monogastric pigs and chickens for fruit tree, and preparation method and application thereof

The invention relates to humus soil with mixed nutrients transformed through monogastric animals like pigs and chickens for promoting the growth of a fruit tree. The humus soil is characterized by being composed of a black pig metabolic excrement fermented feed and poultry manure according to a weight percentage ratio of 1:1, wherein the black pig metabolic excrement fermented feed comprises substances remained after intaking of group-bred poultry; and the poultry manure comprises manure generated by intestinal intaking and free intaking of poultry after bred poultry is manually fed with a biological fermented feed generated by black pig metabolic excrements. The humus soil with the mixed nutrients transformed through the monogastric animals like the pigs and the chickens for promoting thegrowth of the fruit tree provided by the invention can promote the healthy growth of the fruit tree, improves the annual fruit yield of pear and walnut trees, can reduce pesticide spraying for the fruit tree, and further gua