自1975年在新洲县凤凰公社石骨山大队新平整的土地上发现棉花蕾而不花现象以来,经过1975、1976两年的田间试验及调查研究证明,棉花蕾而不花现象是丘陵岗地平整后较普遍的一种营养缺乏症。微量元素的田间试验结果:喷硼对棉花蕾而不花现象有非常明显的防治效果及增产作用,喷镁也有较好的效果(参见本刊1976年第五期和1977年第五期——编者)。因此初步认为,棉花 Since the discovery of cotton buds on the newly formed land of the Shuguishan Brigade of the Phoenix Commune in Xinzhou County in 1975, it has been proved by field experiments and investigations in two years of 1975 and 1976 that cotton buds are not blooming After the formation of a more common nutritional deficiencies. Trace elements in field test results: boron spray on the cotton bud without the phenomenon of flowers have a very significant control effect and increase production, magnesium spray also has good results (see the fifth issue of 1976 and fifth issue of 1977 - editor). So initially think that cotton