Under the new situation that the irrigation water will be reduced by about 100s
3
million m in Hetao irrigation district, a water-saving experiment was carried out at
Shahaoqu experimental station in Hetao irrigation district. The American sunflower G 101 was planted in field and pot, physical and chemical index of soil (soil moisture, soil salinity), ground water table and physiological index of plant (height of plant, area of leaves, dry matter accumulation, ne...