甘蔗施用酵母有机肥的效应试验研究初报

Preliminary Study on the Effect of Yeast Organic Fertilizer on Sugarcane

在大田条件下,连续2年进行新宿甘蔗施用酵母有机肥不同施用量的小区试验和不同品种、新植和宿根大区同田对比示范。小区试验结果表明:施用酵母有机肥可提高甘蔗产量及蔗糖分,以施酵母有机肥1200 kg/hm2时,蔗茎产量、蔗糖分最高,与对照比较,新植蔗增产7995 kg/hm2、增5.74%,宿根蔗增产18945 kg/hm2、增17.52%,2年新宿平均增产13470 kg/hm2、增10.88%;新植蔗糖分提高0.37个百分点,宿根蔗糖分提高0.12个百分点,新宿平均蔗糖分提高0.25个百分点。大区同田对比试验结果表明:施酵母有机肥1200 kg/hm2新宿平均蔗茎产量为126443 kg/hm2、增10.99%,平均蔗糖分为15.6%、较对照(15.28%)提高0.32个百分点。甘蔗生产施用酵母有机肥以1200 kg/hm2为主,新植分2次施(底肥600 kg/hm2+追肥600 kg/hm2)、宿根大培土时作追肥一次性施用。酵母有机肥可提高肥料利用率、改良土壤结构及农田生态环境、培肥地力,应把酵母有机肥与化肥配合施用,本文旨在为酵母有机肥在甘蔗生产中的应用提供一定的研究基础。

In the condition of the field,the small plot experiment of different application rates of yeast organic fertilizer on sugarcane and a comparative demonstration different varieties between new plant and ratoon in the same field were carried out continuously for 2 years,with the conventional fertilization as the control.The results of the small plot experiment showed that the application of yeast organic fertilizer could increase sugarcane yield and sucrose content.And the sugarcane yield and sucrose were the highest when the yeast organic fertilizer was 1200 kg/hm2.The performance of the sugarcane yield compared with the control was that the new plant sugarcane yield increased by 7995 kg/hm2(an increase of 5.74%),the ratoon sugarcane yield increased by 18945 kg/hm2(an increase of 17.52%),and the average of the new plant and ratoon sugarcane yield increased kg/hm2(an increase of 10.88%).The results of the sugar content compared with the control were that the new plant sugar content increased by 0.37 points,the ratoon sugar content increased by 0.12 points,and the average of the new plant and ratoon sugar content increased by 0.25 points.The regional comparative demonstration test in the same field results compared with contrast indicated that the average of the new plant and ratoon sugarcane yield was 126443 kg/hm2(an increase of 10.99%)when the yeast organic fertilizer was 1200 kg/hm2,while the average of the new plant and ratoon sugar content was 15.6%with an increase of 0.32 points(absolute value).It was suggested that the dosage of yeast organic fertilizer should be 1200 kg/hm2 in sugarcane production,the dosage of yeast organic fertilizer of the new plant was divided into two application(600 kg/hm2 base fertilizer+600 kg/hm2 additional fertilizer),the additional fertilizer of the yeast organic fertilizer should be applied once of the ratoon sugarcane.Yeast organic fertilizer can improve fertilizer utilization rate,soil structure,ecological environment of the farmland,and the fertility.It should be used in combination with chemical fertilizer.This article aimed to provide a certain research basis for the application of yeast organic fertilizer to sugarcane production.