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对盆栽苹果树施H310BO3,于主要物候期测定,结果表明,生长季地上部全B的变化呈双峰曲线,根系仅出现一次高峰;枝条与粗根皮层的全B量一般比木质部高3~4倍,但从肥料中吸收的B占全B量的百分率(Bdf%)二者相差无几。地上部新生器官在新梢旺长期Bdf%值迅速提高,其后处于高水平的相对稳定期,细根随时间进展不断下降,粗根则缓慢上升。秋施10B肥后的第3年花期测定植株不同器官的Bdf%值仍可达12.7%~33.6%,而土壤仅为4.2%,并且10B在植株中的分布发生了变化,一年生枝与粗根含量显著上升,约比翌年同期增加2倍左右,而主干与细根含量显著下降,说明硼肥在树体内具有长效作用,可再利用。
The potted apple tree H310BO3, measured in the main phenophase, the results showed that the growth of all the aboveground B changes showed a bimodal curve, only one peak appeared in the root; branches and the root bark of the whole B is generally higher than the xylem 3 ~ 4 times, but the percentage of B absorbed in fertilizer to total B (Bdf%) is almost the same. The shoot biomass of fresh shoots increased rapidly in the shoot shoots, followed by a relatively high level of relative stability during the long shoots. The fine roots decreased with time and the coarse roots increased slowly. The Bdf% values of different organs in the third-year florescence after the autumn application of 10B fertilizer were still 12.7% -33.6%, while the soil was only 4.2%, and the distribution of 10B in the plants was changed , Annual branches and coarse roots content increased significantly, about 2 times more than the same period the following year, while the trunk and fine root content decreased significantly, indicating that boron fertilizer has a long-term effect in the tree, can be reused.