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主干加压注射法可有效地补充树体矿质元素.苹果主干注射 Fe、Ca、B、P 元素显著地提高了树体叶片中所注元素的含量;注射 FeSO_4可矫治因土壤缺 Fe 造成的山楂黄叶病;试验分析了不同处理对树体某些生物、生理指标的影响.主干加压注射法快速、高效、经济,是补充与调节果树矿质营养的一条新途径.
The trunk pressurized injection method can effectively replenish the tree mineral elements.Application of Fe, Ca, B and P to the trunk of the apple significantly increased the contents of the elements in the leaves of the tree; Yellow leaf disease.The effects of different treatments on some biological and physiological indexes of tree were analyzed.The main injection method was a new way to replenish and regulate the mineral nutrition of fruit trees rapidly, efficiently and economically.