论文部分内容阅读
番茄(又叫西红柿)脐腐病是一种生理性病害,主要是植株生长过程中缺钙引起的。在防治上要抓住以下几条措施:1.要做好排水,确保根系生长正常,避免根系吸收钙质元素受阻。2.合理施用肥料,亩用40—50斤过磷酸钙或钙镁磷肥作基肥,以防土壤缺钙。前期不可偏施氮肥,以免徒长。中、后期要看苗进行叶面补钙。一般亩用过磷酸钙2—3斤,加水15斤浸泡24小时后,过滤取液,再对水100斤喷施,可
Tomato (also known as tomato) Umbilical rot disease is a physiological disease, mainly caused by calcium deficiency during plant growth. In the prevention and control to seize the following measures: 1. To make drainage, to ensure normal root growth, to prevent the root absorption of calcium elements blocked. 2. Proper use of fertilizers, mu with 40-50 kg superphosphate or calcium magnesium phosphate as a basal fertilizer to prevent soil calcium deficiency. Pre-application of nitrogen fertilizer can be partial, lest lengthened. In the late seedlings to see foliar calcium. General mu with superphosphate 2-3 kg, add 15 kg of water soak for 24 hours, filtered to take liquid, and then sprayed with water, 100 kg can be