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    The obtained results show:After applying Yelükang ball fertilizer,the active iron in the chlorotic fruit tree leaves increased by 8.7%~20.2%,the chlorophyll content of apple tree increased by 18%;
    研究结果表明 :施用叶绿康球肥可使失绿果树叶片的活性铁提高 8.7%~ 2 0 .2 % ,苹果叶片的叶绿素含量提高 1 8% ;
    Effect of Yelükang ball fertilizer on correcting iron deficiency chlorosis in apple trees
    叶绿康球肥对防治苹果树缺铁失绿的效应
    Effect of Yelükang ball fertilizer on mineral nutrition and yield of peach trees
    叶绿康球肥对桃树矿质营养和产量的影响
    Study on application of Yelükang ball fertilizer in fruit production
    叶绿康球肥在果树上的应用研究
    Effects of Applied Granular Fertilizer on Growth and N Utilization of Vegetables
    球肥对几种蔬菜生长及氮素利用的影响
    Large-size granular fertilizer (LSGF, diameter size>2cm), using chemical fertilizers of ammonium-form nitrogen, phosphorus and potassium, and some additives as raw materials, was developed using conventional granulation technique.
    以普通的铵态氮、磷、钾等肥料为原料,应用传统的造粒技术,在添加一些辅助物质的基础上制成了直径大于2cm的大颗粒球肥
    However, relative high NH4+-N content near to root zone was still retained between 2 and 5 weeks after LSGF was applied.
    田间条件下球肥近根施入土壤一周后球肥中已有90%以上的铵态氮素释放出去,但是在球肥施入土壤后的2-5周观测期间近根区的土壤仍能保持相对较高浓度的铵态氮。
 

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