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利用绿肥,在我国南方的稻田已有极悠久的历史,但北方稻田栽培绿肥,还是近年的事。解放后,我们曾进行了关于北方连作稻田栽培春季绿肥的试验和调查;现将其初步结果简述如下,以供参考和指正。 一、香豆子绿能 香豆子学名Trigonella Foenum-qraecumL是 一年生的豆科草本。原产甘肃一带。在本地区作水稻连作春季绿肥较为适合,1955及1957年在本站品种观察试验中,均表现出苗早而整齐,并耐盐耐寒。在20余个品种观察及调查中,其中以香豆子、豌豆、蚕豆等较好。(表1)
The use of green manure in the rice fields in southern China has a long history, but cultivation of green manure in northern rice fields is still a matter of recent years. After the liberation, we conducted a trial and investigation on spring green manure cultivation in northern continuous cropping paddy fields. The preliminary results of this study are summarized as follows for reference and correction. First, the coumarin green energy Coumarin name Trigonella Foenum-qraecumL is an annual leguminous herb. Gansu origin area. In this area for continuous cropping rice in spring green manure is more suitable, 1955 and 1957 in this site variety observation test, all showed early and neat seedlings, and salt and cold hardy. In more than 20 varieties of observation and investigation, among them sweet beans, peas, broad beans, etc. better. (Table 1)