草木灰不仅是一种优质的农家钾肥,而且还有许多妙用。一、培育棉苗:在进行苗床育棉苗时,先在苗床底部铺一层草木灰,填上床土洇透划缝,待2——3天干裂后,再进行草木灰灌缝,然后浇水掩籽覆土.这样,移栽时切块不散不沾连。但每个切块大小要适当,一般以7厘米见方为好。二、巧治根蛆:葱、蒜和韭菜苗期,根部易产生大量根蛆,用农药防治效果不理想。如用草木灰防治,其效果可达90％以上,产量可增加15——20％。在开沟下种前,按每亩20公斤草木灰施入沟中,下种后覆土;也可在苗期, Ash is not only a high-quality farm potash fertilizer, but also many magical effects. First, nurturing cotton seedlings: In the nursery seedling cotton seedlings, the first layer of grass at the end of laying a layer of ash, fill the bed soil 划 through the suture, to be 2--3 days after the crack, and then sift the vegetation, and then watering the mask Cover the soil so that when transplanted cut pieces of non-stick non-stick. However, the size of each cut should be appropriate, generally 7 cm square as well. Second, the magistrate maggots: onions, garlic and leek seedling, root easy to produce a large number of root maggots, with pesticide control effect is not satisfactory. Such as grass with ash prevention and control, the effect of up to 90%, the output can increase 15 - 20%. In the ditch before planting, according to 20 kg of grass ash into the ditch, under the kind of soil; also in the seedling stage,