Shue Hang best to cylindrical trunk center circle vertical excavation along the circle edge down until you reach the required depth to keep up and down vertically, the same size, should not dug into the next big small cone or the bottom of the pot-shaped , or the planting step real-time make root splitting, curled or upturned caused stretch to affect the growth of trees. Should topsoil and subsoil separately placed digging, backfilling and press the corresponding position. When planting, righting seedlings, one filling, fill real step again (clay can not be re-step) real step until it fills and then fill in the soil to the original roots marks flat or slightly higher than 3-5 cm . After transplanting should immediately irrigation, no rainy day not more than one day should be doused head over the water. The water must be drenched soil absorbing enough water to help the roots with soil in close contact in order to ensure survival.
最新问答: 已知数列√3,√7,√11,√15,√19,······求通项公式 英语翻译My Spring Festival is special.Today my uncle and my aunt 不规则图形,找重心的两种方法.我知道有一个是悬挂法 陆游的《书愤》书写了那些事? 如图,数轴上A,B两点分别对应实数a,b,则下列结论正确的是( ) 英语论文的格式是什么? 属于防止平面镜成像的是舞蹈演员利用平面镜观察和矫正自己的姿势 what did you do last summer racation的答句 下列四句话,用的词语相同,但强调的重点却不同.其中分别强调“受话人”和“打电话”这件事的一组是 蚱蜢和螟蛾是稻田里的害虫,它俩在一起琢磨着如何对付小青蛙。蚱蜢说:“青蛙蹦得高,跳得远,我们见了它要逃得快才好。”螟蛾说 一个固体和两个气体生成两个气体是熵增大吗 苏伟看一本故事书,一个星期正好看了60页,是这本故事书的30%,这本故事书共多少页? 请问细胞培养中加的双抗的浓度是多少 英语中第一人称和第三人称怎么转换 一次函数3分之根号3x+2的图象与x轴、y轴分别交与点A、B两点,以AB为边在第二象限内作等边△ABC 若含有三个元素的集合可表示为(a的平方,a+b,0) 也可以表示为( a的平方 ,a+b ,0)求 高数一 定积分 求达人给出这题的解题步骤 若两条直线的倾斜角分别为α、β,斜率分别为k1、k2,且k1·k2=1,则α+β=_______. 1994×19931994-1993×19941994. You don't need to p___him for his help