高锰酸钾在农业上的应用

来源 :农村科学实验 | 被引量 : 0次 | 上传用户:yjm17207928
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
1.种子、苗木消毒:水稻、小麦、玉米、油菜种子可用0.1%浓度浸种24小时,棉种用0.2%浓度浸种4小时,番茄种子用0.2%浓度浸种30分钟,马铃薯切块用0.3%浓度浸种4小时。各种扦插苗木消毒,木本用0.05%浓度,草本用0.04%浓度消毒30分钟,各种苗木及种子浸种消毒,发芽率可提高20%左右,粮食作物浸种还能提高千粒重。 2.土壤消毒:在温室内使用较普遍,在播种前一天,用0.1%浓度泼浇土壤表面,以湿透播种层为宜,可减轻林木立枯病、蔬菜猝倒病、棉苗苗期病害,露地育苗也可用于土 Seed and nursery stock disinfection: seeds of rice, wheat, corn and rape can be soaked in 0.1% for 24 hours, soaked in 0.2% cotton for 4 hours, soaked in seeds for 0.2% for 30 minutes, Seed soaking 4 hours. A variety of cutting seedlings disinfected wood with 0.05% concentration, the herbs with 0.04% concentration for 30 minutes, all kinds of seedlings and seed soaking disinfection, the germination rate can be increased by about 20%, soaking grain crops can improve the 1000-grain weight. 2. Soil disinfection: the use of the more common in the greenhouse, the day before sowing, 0.1% concentration of soil pouring the surface of the soil to wet sowing layer is appropriate, can reduce forest damping-off, vegetable damping-off disease, seedling cotton seedling Disease, field nursery can also be used for soil
其他文献
一、用于促进植株生长赤霉素(GA)的主要特点是促进植株的营养生长,促进茎伸长。增加叶面积等。因此,对于以幼嫩的茎叶为食用对象的蔬菜效果特别明 First, used to promote