草木灰是一种以钾为主,同时含有磷、钙、镁、硼等多种营养元素的优质农家肥。近年来,一些有经验的菜农在大棚蔬菜施用草木灰,收到良好效果:1.吸湿如果棚内湿度过大,可撒一层草木灰吸湿。2.补肥在塑料大棚内撒施草木灰,可以为蔬菜直接提供养分;在蔬菜生长期,用 Plant ash is a kind of high-quality farmhouse fertilizer mainly containing potassium, phosphorus, calcium, magnesium, boron and other nutrients at the same time. In recent years, some experienced vegetable farmers in the greenhouse vegetable ash application, received good results: 1. Moisture If the shed humidity is too large, can be sprinkled with a layer of ash to absorb moisture. (2) make-up in the plastic shed Shi grass ash, vegetables can provide nutrients directly; in the vegetable growing season, with