Chemical Fertilizers with Organic Fertilizers on Yield and Fertilizer Utilization of Winter Wheat in Kashgar Region
Our study provides reference data and technical support for exploring the present situation of fertilizer utilization rate and optimizing nutrient management methods of winter wheat in Xinjiang.A field plot experiment was conducted at the wheat breeding base in Zepu County,Kashgar Prefecture,including various treatments:blank,PK,NK,NP,NPK,NPK + commercial organic fertilizer,NPK + humic acid,and NPK + amino acid,totaling eight treatments.These experiments aimed to determine the growth and development traits,yield,and fertilizer utilization rates of winter wheat.The results showed that:(1)The yield of NPK treatment was 7 740 kg/hm2,and the NPK treatment with organic fertilizer increased the yield by 11.4%,47.8%,and 2.6%respectively compared with the NPK treatment.(2)The NPK treatment required 2.66 kg of nitrogen(N),0.43 kg of phosphorus(P2O5),and 2.54 kg of potassium(K2O)for each 100 kg of wheat grain formation.The nutrient absorption amount of winter wheat grain treated with organic fertilizer was higher than that of single chemical fertilizer.(3)The average agronomic efficiencies of N,P,and K fertilizers in NPK + amino acid treatment were 20.53,31.59,and 68.44 kg/kg,respectively,which were higher than those in other treatments.(4)The nutrient utilization rates of nitrogen,phosphorus,and potassium fertilizers in winter wheat NPK treatment are 35.62%,11.85%,and 31.32%respectively,and the nitrogen and phosphorus combined with organic fertilizers are compared with the single application of chemical fertilizers,the utilization rates of nitrogen fertilizers were increased by 2.76%,9.41%,and 8.44%;phosphorus fertilizers were increased by 2.56%,0.7%,and 3.71%;and potash fertilizers were increased by 28.28%,17.36%,and 36.82%.At present,the yield of winter wheat with organic fertilizer in Xinjiang is higher than that of single application of chemical fertilizer,it is an effective measure to reduce fertilizer application and increase efficiency.
万方数据
维普
