"Through the early detection of soil, fertilizer experiment, this year, Sichuan Gongxian County has entered the test of formula fertilization by soil formed the whole stage of popularization and application, in order to further promote the measurement formula fertilization by soil villages and households, formula fertilizer to the field to soil, to further improve the farmers scientific fertilization level, the county purchased 200 tons of formula fertilizer free farmers, farmers buy 3 packets sent a package, to promote the County fertilizer." County Agricultural Bureau Dohi Station responsible person said.
Formula fertilization by soil testing, soil testing and fertilizer field experiments as the foundation, according to the laws of crop fertilizer, soil nutrient properties and fertilizer effect, on the basis of reasonable application of organic fertilizers proposed fertilizer of nitrogen, phosphorus, potassium and, trace elements and other fertilizer amount and fertilization time and application method.
The core of the technology of formula fertilization by soil testing is regulation and solve crop the contradiction between the fertilizer and the soil nutrient, and the complementary crop nutrient elements, deficiency in crops what elements to complement what elements need makeup, to achieve a variety of nutrient balance supply and meet the crop needs; to improve fertilizer use efficiency and reduce the dosage, increase crop yield, improve the quality of agricultural products, labor saving, to increase savings.