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一、莆大麦4号的示范、推广莆大麦4号从1982年到1986年先后经过鉴定圃。品种(系)比较试验和省市区域试验,产量比对照种早熟3号矮早三增产14.1～25.7％。同时,连续四年在不同地点、不同自然条件下进行小面积试种和大而积示范,比早熟3号和矮早三增产1～2成。1987年继续在平原、沿海丘陵和半山区进行大面积示范,一般亩产200-250公斤,高的达300公斤以上,如莆田县黄石镇1987年种植22200亩,占全镇大麦面积的82％,平均亩产208。5公斤,其中6000亩示范片,平均亩产242.4公斤,比矮早三增产25.8％;福清县种植100多亩,其中音西乡王塘村125亩,平均亩产229.5公斤,比矮早三增产
First, the demonstration and popularization of Pu-erh-4 On the 4th, Pu-erh-4 has been identified from 1982 to 1986. Varieties (lines) comparative experiments and provincial and municipal regional trials, the yield of early varieties of three varieties of early maturing increased yield 14.1 ~ 25.7%. At the same time, for four years in a row at different locations, under different natural conditions for small-area test and demonstration of large plot, than the precocious 3 and shortened three to increase production 1 to 2 percent. 1987 continued in the plains, coastal hills and mid-range large-scale demonstration area, generally 200-250 kilograms per mu, up to 300 kilograms, such as Putian County Huangshi town planted 22,200 acres in 1987, accounting for 82% of the town barley area, , An average of 208.5 kilograms per mu, of which 6,000 acres of demonstration film, an average of 242.4 kilograms per mu, an increase of 25.8% more than the short early three; 100 acres planted in Fuqing County, of which Tinci Wang Tong Village 125 acres, the average yield 229.5 Kg, three days earlier than short production