[Objective] The study was to determine the optimal quantity of fertilizer required for Yongbao 2 during heading. [Method] According to a randomized block design with three replicates, four fertilizer treatments and on...[Objective] The study was to determine the optimal quantity of fertilizer required for Yongbao 2 during heading. [Method] According to a randomized block design with three replicates, four fertilizer treatments and one blank control were set in field trials. Each plot had a net area of 66.7 m2, Finally, the mustard yield and economic benefit per plot among the treatments were compared. [Result] There was no significant difference in yield among the four fertilizer treatments. The agronomic traits and yield of Yongbao 2 were improved when the quantity of fertilizer was gradually increased. The treatment with 750 kg/hm2 compound fertilizer during mus- tard heading had the highest yield. However, the treatment with 450 kg/hm2 of compound fertilizer during mustard heading had the highest economic benefit. By considering both yield and benefit, 450 kg/hm2 was the optimal quantity of fertilizer required for Yongbao 2 during heading. [Conclusion] The results will provide references for future application and extension of Yongbao 2.展开更多
[Objective] The study was to test the optimum quantity of nitrogen fertilizer of Yongxian 975. [Method] According to randomized block arrangement with three replications, there were 5 nitrogen fertilizer treatments an...[Objective] The study was to test the optimum quantity of nitrogen fertilizer of Yongxian 975. [Method] According to randomized block arrangement with three replications, there were 5 nitrogen fertilizer treatments and 1 blank control, the net area of each plot was 13.4 m2. [Result] There was no significant difference between different nitrogen fertilizer treatments. The spike, grain and weight were more coor- dinated and the yield-increasing potential was great when the quantity of pure nitro- gen was 210.0 kg/hm2. The real harvest yield was the highest and the profit was the best, but the utilization rate of fertilizer was poor, plant diseases, insect pests, lodging risk and the ecological burden were increased when the quantity of pure nitrogen was 270.0 kg/hm2. While the quantity of pure nitrogen was 150.0 kg/hm2, the fertilizer utilization rate was the highest, the yield and the economic benefit were high. [Coaclusie,] With comprehensively considering the high and stable yield and the efficiency, the best quantity of nitrogen fertilizer on Yongxian 975 was controlled at about 150.0 kg/hm2. The quantity of pure nitrogen could be increased to 180.0 kg/hm2 when the field fertility was moderate or low. In order to explore its high-yield potential, the quantity of nitrogen fertilizer could be increased to 210.0 kg/hm2 in the high-yield tackling field.展开更多
文摘[Objective] The study was to determine the optimal quantity of fertilizer required for Yongbao 2 during heading. [Method] According to a randomized block design with three replicates, four fertilizer treatments and one blank control were set in field trials. Each plot had a net area of 66.7 m2, Finally, the mustard yield and economic benefit per plot among the treatments were compared. [Result] There was no significant difference in yield among the four fertilizer treatments. The agronomic traits and yield of Yongbao 2 were improved when the quantity of fertilizer was gradually increased. The treatment with 750 kg/hm2 compound fertilizer during mus- tard heading had the highest yield. However, the treatment with 450 kg/hm2 of compound fertilizer during mustard heading had the highest economic benefit. By considering both yield and benefit, 450 kg/hm2 was the optimal quantity of fertilizer required for Yongbao 2 during heading. [Conclusion] The results will provide references for future application and extension of Yongbao 2.
文摘[Objective] The study was to test the optimum quantity of nitrogen fertilizer of Yongxian 975. [Method] According to randomized block arrangement with three replications, there were 5 nitrogen fertilizer treatments and 1 blank control, the net area of each plot was 13.4 m2. [Result] There was no significant difference between different nitrogen fertilizer treatments. The spike, grain and weight were more coor- dinated and the yield-increasing potential was great when the quantity of pure nitro- gen was 210.0 kg/hm2. The real harvest yield was the highest and the profit was the best, but the utilization rate of fertilizer was poor, plant diseases, insect pests, lodging risk and the ecological burden were increased when the quantity of pure nitrogen was 270.0 kg/hm2. While the quantity of pure nitrogen was 150.0 kg/hm2, the fertilizer utilization rate was the highest, the yield and the economic benefit were high. [Coaclusie,] With comprehensively considering the high and stable yield and the efficiency, the best quantity of nitrogen fertilizer on Yongxian 975 was controlled at about 150.0 kg/hm2. The quantity of pure nitrogen could be increased to 180.0 kg/hm2 when the field fertility was moderate or low. In order to explore its high-yield potential, the quantity of nitrogen fertilizer could be increased to 210.0 kg/hm2 in the high-yield tackling field.
