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试验于1990~1992年在所内外进行。玉米垄半空密植高产栽培法系指将常规大垅栽培,改变成105厘米宽的平台,台上种植玉米两行,台与台之间空半垅,并增加一定的种植密度,故称为垄半空密植高产栽培法。这种新的栽培法,创建了高光效的群体光合系统,改善冠层结构,通风透光条件,充分发挥边际增产效应,扩大绿色面积,延长光合时间,增加光合势,提高群体光合生产率、相对生长率、群体生长率以及光能利用率。试验结果表明,垄半空密植栽培法,一是产量高。三年平均亩产769.20公斤,最高亩产834.46公斤;二是增产幅度大。比常规栽培法增产22.3~38.5%;三是经济效益显著,亩纯增值50~65元。该项栽培法,具有一定的科学性、实用性及可行性,是一种行之有效的新的栽培法。
The experiment was conducted both inside and outside of 1990-1992. Corn Ridge semi-dense high-yield cultivation method refers to the cultivation of conventional Tai Chi, into a 105 cm wide platform, two rows of corn planted on stage, between Taiwan and Taiwan empty half-length, and increase the planting density, it is called the ridge Semi-dense high-yield cultivation method. This new cultivation method creates a high photosynthetic system photosynthetic system to improve the canopy structure, ventilation and light conditions, give full play to the marginal stimulation effect, expand the green area, extend the photosynthetic time, increase the photosynthetic potential and improve the photosynthetic productivity of the population, relative Growth rate, population growth rate and light energy utilization rate. Test results show that the ridge semi-dense cultivation method, first, high yield. Three-year average yield 769.20 kilograms, the highest per mu 834.46 kilograms; second is a large increase in yield. 22.3 ~ 38.5% more than the conventional cultivation method. Thirdly, the economic benefit is remarkable, and the net value of the pure mu is 50-65 yuan. The cultivation method, with certain scientific, practical and feasibility, is a new and effective cultivation method.