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1991年,我县实栽红苕42.167万亩,平均亩产高达210公斤(折主粮,下同,年报产量),总产8835.2万公斤,比1990年亩增48公斤,总增2120.3万公斤,总增31.6％。1991年我县红苕生产获得丰收的主要措施是:栽培技术“三配套”,实现了“三保证”。一是推广高产良种与保温育苗配套,保证了壮苗壮藤。全县以南薯88、湖北冬瓜苕、67—12、徐薯18、绵粉1号等为主推品种,栽插面积达36.3万亩,占总面积的86％。在育苗方式上改过去露地育苗为薄膜保温育苗,我们的作法是:选好苗床地后,将底肥与土壤混匀,整细整平,打好窝行距各33厘米的大窝,每窝殡3个100—150克重的苕种,头部向上,大小苕分片放,做到上齐下不齐,盖土厚薄一致,使厢面
In 1991, there were 421.67 mu of red crabs planted in our county, with an average yield of 210 kg per mu (staple food, the same below, the annual output), with a total output of 88.352 million kilograms, 48 kilograms more than that in 1990 and a total increase of 21.203 million kilograms. Increase 31.6%. In 1991, the main measures for obtaining bumper harvest in Hongxian County in our county were: “three supporting” cultivation techniques and “three guarantees”. First, promote the production of high-yielding seedlings and incubation support, to ensure that strong seedlings sprouting. The county to potato 88, Hubei winter melon 苕, 67-12, Xu potato 18, 1 powder, such as the main push cotton varieties, planted area of 363,000 mu, accounting for 86% of the total area. In the nursery on the way to change over the pasture nursery for the film insulation nursery, our approach is: choose a good seedbed, the base fertilizer and soil mix, fine and flat, lay nest spacing 33 cm nest, nest funeral 3 100-150 grams of the species, the head up, the size of small pieces of sub-release, so Qi together under the same cover soil thickness so that the car side