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夏茭后茬种慈姑,是近年来茭田种植制度上的一项重要改革。与夏茭后茬种水稻相比,具有省工、省时、省本、稳产等优点,对于城市郊区来说又能充分利用有限的城郊菜地多生产蔬菜供应市场。因此,此项措施在无锡市郊茭白种植区推广很快,到1984年止,无锡郊区夏茭后茬慈姑已由1976年试种时的400亩扩大到近2000亩,种植面积增加了4倍。但自1976年以来,无锡市郊夏茭后茬慈姑平均单产总是在10担上下徘徊,究其原因,主要是茭农缺乏慈姑栽培经验和管理粗放等。针对这一问题,我所于1982～1984年连续三年进行了夏茭后茬慈姑高产栽培试验,品种为浙江海盐慈姑和我省宝应慈姑,小区产量折成亩产均在20担左右。
Harp crop planted Sagittaru, in recent years, cultivation planted an important reform. Compared with the summer crop after planting rice, with the provincial labor, time-saving, the provincial capital, stable production, etc., for the suburbs of the city can take full advantage of the limited production of vegetables in the suburbs of vegetable markets. Therefore, this measure was popularized rapidly in the suburbs of Wuxi. Until 1984, the cultivation of summer camphouses in Wuxi suburbs expanded from 400 mu at the time of trial planting in 1976 to nearly 2,000 mu and the area under cultivation increased four-fold. However, since 1976, the average yield per worker in the summer camp of Wuxi suburbs has always been hovering around 10 percent. The reasons for this are mainly the lack of cultivation experience and extensive management by farmers. In response to this problem, I conducted in 1982 to 1984 for three consecutive years of high yielding cultivation of summer harvest after the high yield cultivation trials, the varieties of Zhejiang Haiyan Arrowhead and our province Baoying Arrowhead, cell yield mu yield are 20 or so.