预防君子兰夹箭抹头冬春季节，君子兰应移置在室内的向阳处，保持室温在１５℃以上。冬季君子兰有时出现“夹箭”现象。防止夹箭的根本办法是：当植株长到１６片叶时，当年的９月末从盆中取出四分之一的腐殖土和腐叶土，上面填上马粪土，再加上含磷较多的骨粉和微量元素（... Prevention Clivia jets arrowheads Spring and winter, Clivia should be relocated in the indoor sunny place, to maintain room temperature above 15 ℃. Clivia in winter sometimes “pinch” phenomenon. The basic way to prevent pinch is: When the plant grows to 16 leaves, then the end of September that year out of the pot from the basin a quarter of humus and rot soil, filled with horse manure above, coupled with more phosphorus Bone meal and trace elements (...