底膜育秧单季稻综合农艺数学模型及高产栽培模式初探

PRELIMINARY STUDY ON SYNTHESIZED AGRONOMIC MATH MODEL AND HIGH YIELD CULTIVATION PATTERN FOR SINGLE CROPPING OF RICE BY RAISING SEELDINGS ON GROUND FILM

本文应用系统工程原理,根据田间四因子二次回归正交组合试验和计算机的分析结果,建立了底膜育秧单季稻综合农艺数学模型。并进行高产栽培规律的研究与分析,筛选出高产栽培模式:每亩播种量300—350kg,秧龄20天左右,每亩基本苗数8—9万,每亩大田追肥量(碳铵)60kg左右。

According to the resuts of field experiment with four factor two-regression orthogonal combination and analysis by computer, a synthesized agronomic math. model for single cropping of rice by raising seedlings on ground film had been set up.On the basis of this model, study and analysis of high yield cultivation rules were carried out.A pattern for high yield cultivation has been screened out as follows: sowing norm: 300-350kg per mu; seedling age: about20 days; basic seedlings per mu: 80-90 thousand; top dressing amount: around 60kg/mu ammonium carbonate.