Different Fertilizer On The Sunflower Yeild Related Traits And Economic Benefit Analysis

This test bayinnaoer city in Inner Mongolia autonomous region, with a canopy respectively varieties and a food kwai varieties as experimental material, the research under different fertilizer treatments sunflower agronomic characters, economic characters and grain yield, the influence of sunflower the highest yield of fertilization scheme, thus find out the fertilization rates by a balance between economic benefits-the maximum income of optimum fertilization scheme, the results are as follows::1. For oil sunflower, different fertilizer treatments now bud stage difference 2 to 3 days, flowering phase 2-3D, maturity the difference 8 days. Eventually the whole growth period of difference 8 days; for edible sunflower and different ways of fertilization at bud stage difference 2 to 3 days, flowering phase 2, mature period up to a difference of 7 days, eventually the whole growth period is also a difference of 7 days.2. Nitrogen in the sunflower growth period had the greatest influence on leaf area index; Phosphate fertilizer of canopy leaf area index in a greater influence on the budding stage and filling stage, and for food kwai leaf area index in full bloom and greater influence on the filling stage; Potash against food kwai and canopy in budding period and had a greater influence on the coated.3. When pure N is 11.83 kg/667 m2, pure P2O5 is 9.45 kg/m2,667 pure K2O was 4.65 kg/667 m2, we reached the maximum amount of dry matter accumulation,234.56; When pure N is 10.06 kg/667 m2, pure P2O5 is 9.68 kg/m2,667 pure K2O was 5.36 kg/m2,667 kwai reached the maximum amount of dry matter accumulation,338.94.4. Through different fertilizer treatments on sunflower of agronomic traits of research shows that the fertilizer rate of sunflower plant plant height, stem diameter, leaf number and has a great impact on the faceplate diameter and other agronomic traits were, in with the increase of fertilizer consumption, sunflower plant height, stem diameter, leaf number and faceplate diameter are gradually increasing, after reaching the highest, with the increase of fertilizer rate, sunflower plant height, stem diameter and faceplate diameter is not increase, instead of into a downward trend.5. N, P, K of sunflower single plate grain weight and seed setting rate and hundred grain weight is significant, the influence of nitrogen can promote the growth and development of the sunflower, and excess can restrain; Potassium can promote the sunflower single plate grain weight and grain weight, phosphorus can promote the sunflower seed setting rate.6. For canopy, when pure N is 9.65 kg/667 m2, P2O5 is 10.08 kg/667 m2, K2O is 4.15 kg/667 m2, the maximum profit of 1346 yuan, the N:P:K= 2.3:2.4:1; For food kwai, when pure N is 10.86 kg/667 m2, P2O5 is 9.98 kg/667 m2, K2O was 5.27 kg/ 667 m2, the maximum profit of 2190 yuan, the N:P:K= 2.1:1.9:1.7. For the canopy, when pure N is 11.84 kg/667 m2, P2O5 is 9.85 kg/667 m2, K2O was 6.46 kg/667 m2, it reached the highest yield of 273.6 kg/667 m2; Food kwai when pure N is 11.21 kg/667 m2, P2O5 is 10.68 kg/667 m2, K2O was 9.21 kg/667 m2, it reached the highest yield of 295.5 kg/667 m2.