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河南省方城县博望镇湾街村共有一百多个日光温室,四年来以种植冬春茬番茄为主,去年推广了增施磷钾肥和换头技术,取得了单棚5500公斤,折亩产11000公斤的高效益。该技术主要有两个关键。 一是施用烟草专用肥。每个温室(0.5亩)内施用100公斤烟草专用肥作基肥,以增加磷钾供应。其它技术要点如下:9月整地,施优质土粪1万公
There are more than 100 sun-light greenhouses in Bay Street Village, Bo Wang Town, Fangcheng County, Henan Province. In the past four years, winter and spring tomato plants have been planted. Last year, the technology of increasing P and K fertilizer and changing heads was promoted and 5500 kilograms of single- High yield 11000 kg per mu. The technology has two main points. First, the application of tobacco fertilizer. Each greenhouse (0.5 acres) within the application of 100 kilograms of tobacco special fertilizer as a base fertilizer to increase the supply of phosphorus and potassium. Other technical points are as follows: September soil preparation, application of high quality soil manure 10,000