论文部分内容阅读
地膜加小拱棚栽培,就是在地膜覆盖的基础上,再加小拱棚覆盖的栽培方法,它可以提高地温、气温,促使土壤养分的转化,增加土壤温度,促进植株生长发育,提早蔬菜上市期,防止自然灾害,提高产量,增加产值。经1986年以来的试验、示范及推广,在我省低热地区,对茄子、辣椒,番茄、豇豆、四季豆、黄瓜、南瓜等果菜类蔬菜的早熟栽培,效果特别好。罗甸县上述几种果菜地膜加小拱棚栽培,比地膜覆盖栽培提早上市20～35天,亩产值达1352～1595元,比地膜覆盖栽培产值增加74～103％。1986～1991年全县累计种植面积
Film and small Shed cultivation, is based on the mulching, plus a small arch covered cultivation methods, it can increase the ground temperature, temperature, promote soil nutrient conversion, increase soil temperature and promote plant growth and development, early market of vegetables, Prevent natural disasters, increase output and increase output value. Experiments, demonstration and promotion since 1986 have achieved particularly good results in precocious cultivation of fruits and vegetables such as eggplant, peppers, tomatoes, cowpeas, string beans, cucumbers and pumpkins in the low-heat areas of our province. Luodian County, the above-mentioned several kinds of fruit and vegetable film and small Shed cultivation, mulching than the mulching cultivation listed 20 to 35 days earlier, the mu output value of 1352 ~ 1595 yuan, mulching film than the increase of 74 ~ 103%. 1986 ~ 1991 the county accumulated acreage