The invention discloses a one-film six-row wide-narrow-row close-planting staggered planting method for cotton, which comprises the following steps: measuring the soil
nutrient content of a region to be planted, calculating the comprehensive
score of
soil fertility, selecting a basic
plant spacing according to the tillering coefficient of a cotton variety, fitting an accumulated
temperature correction function, calculating a predicted value of the tillering rate, and calculating a dynamic offset in combination with the
latitude of a planting field. Determining a narrow row spacing and a
sowing depth according to the dynamic offset, extracting a growth picture of the same variety of cotton in the same region after the flowering and boll-setting period, extracting a planting row spacing mean value of the
canopy coverage in a preset range as a wide row spacing, planting cotton according to the basic
plant spacing, the narrow row spacing, the wide row spacing and the
sowing depth, and monitoring the
canopy photosynthetically active radiation in real time. And dynamically regulating and controlling a
drip irrigation fertilization strategy according to the
photosynthetically active radiation of the
canopy. By means of the method, the
photosynthetic efficiency, the water and
fertilizer utilization efficiency and the
stress resistance of cotton groups can be improved, a brand new technical path is provided for high-yield and high-quality cultivation of cotton, and the method has important significance in promoting intelligent transformation of the cotton planting industry.