The invention discloses a special organic and
inorganic compound fertilizer for
pear trees and a preparation method thereof. The
fertilizer is prepared from the following raw materials in parts by weight: 20-30 parts of
urea, 5-10 parts of monoammonium
phosphate, 15-25 parts of
calcium superphosphate, 10-15 parts of
potassium chloride, 1-2 parts of
borax, 0.5-1 part of
ammonium molybdate, 1-2 parts of
ferrous sulfate, 0.5-1 part of
magnesium sulfate, 30-40 parts of poultry and
livestock excrement, 10-15 parts of
sugar residue, 8-12 parts of soybean curb residue, 5-10 parts of
pulverized fuel ash, 3-6 parts of turf, 4-6 parts of peanut shell
powder, 2-4 parts of
saw dust, 4-8 parts of cushaw stem, 10-15 parts of wintergreen oil, 5-10 parts of
eucalyptus oil, and 2-3 parts of
soil conditioner. The
fertilizer is comprehensive in
nutrition, contains inorganic
nutrition, including
nitrogen,
phosphor,
potassium,
sulfur,
calcium,
magnesium and trace elements, and organic substances, such as
amino acid and
humic acid, can meet the requirement of a
pear tree for
nutrition in the whole growth period, has the effects of maintaining
moisture, sterilizing, fertilizing, improving soil and the like, can promote quick growth of
pear trees, and can improve the yield and quality of
pear tree fruits.