草木灰是一种碱性肥料,能供给作物以钾素为主的多种营养元素,除此之外,还有以下用途: 1)防治果树根腐病。把得了根腐病果树附近的土取走,除掉烂根后用草木灰盖上,然后覆盖新土。 2)防治蚜虫。草木灰过筛,在早晨露水未干时,撒在蚜虫体上,隔3～5天再撒一次,防效良好。 3)提高敌百虫杀虫效果。对叶螨 Ash is an alkaline fertilizer that supplies crops with a variety of nutrients, including potassium. In addition, it has the following uses: 1) Control of root rot in fruit trees. Got rooted soil around the tree removed, remove the rotten roots covered with grass and ash, and then cover the new soil. 2) control aphids. Grass ash sieved in the morning when the dew is not dry, sprinkle aphids body, every 3 to 5 days and then sprinkle with good control. 3) improve the trichlorfon insecticidal effect. Pair of spider mites