How to Wa­ter a Tree

Popular Mechanics (South Africa) - - How your world works -

One of the most com­mon mis­takes we see is that peo­ple over­wa­ter, says Bar­ton. “It’s not un­usual to dig out a dead plant and find a pud­dle of wa­ter in the bot­tom of the plant­ing hole.” To avoid drown­ing a new tree, wa­ter it based on its size. Set your gar­den hose to a trickle and place it over the root ball. Let it run ten min­utes for ev­ery 2 cm of the trunk’s di­am­e­ter. ( Five cen­time­tres across means 20 min­utes.) Or for conifers, he says, give the tree two min­utes for ev­ery thirty cen­time­tres of height. Be­gin wa­ter­ing weekly, and then ad­just for the soil. Clay soil traps wa­ter, re­quir­ing less work on your part, while loose and sandy soils drain fast. A sim­ple test to tell if your tree is get­ting enough wa­ter, says Bar­ton, is to stick your fin­ger in the plant­ing hole and wig­gle it around. It should be moist, not wet or dry.

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