The invention discloses a biological pesticidal
organic fertilizer and a preparation method thereof. The biological pesticidal
organic fertilizer is prepared from the following raw materials in parts by weight: 40-50 parts of pig
manure, 20-30 parts of tea seed pulp, 10-15 parts of
coffee grounds, 8-12 parts of
paulownia sawdust, 5-10 parts of
phosphogypsum, 4-8 parts of corn cob, 5-10 parts of pepper seed cake, 10-15 parts of
mushroom dreg, 8-12 parts of wheat
bran, 15-20 parts of
bentonite, 10-15 parts of opoka, 2-3 parts of
ferrous sulfate, 1-2 parts of
manganese sulfate, 3-5 parts of
humic acid, 1-2 parts of chinese
tallow tree root and
bark, 2-3 parts of
sophora alopecuroides, 1-2 parts of
stemona, 1-3 parts of
Artemisia annua, 1.5-2.5 parts of
ailanthus leaf, 2-3 parts of
derris and 1-2 parts of Radix Euphorbiae Ebractealatae. The
organic fertilizer disclosed by the invention has multiple effects of providing nutrients, improving the
soil structure, preventing and treating pests and diseases and the like, can promote the crops to quickly grow, enhances the stress tolerance of the crops, can have favorable preventing and treating effects on nematodes and soil insects, reduces or avoids use of chemical pesticides, enhances the
soil fertility, regulates the ecological equilibrium of soil, improves the quality of agricultural products, has no chemical residues, and implements yield increase and income increase of agricultural products.