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果树生产在实行家庭联产承包责任制的过程中,由于制定承包指标缺乏科学的方法,偏差较大,所以经常发生承包合同纠纷。本文对以产量作为承包指标的问题做了初步探讨。山楂是我县的主栽果树。据笔者对县内有代表性的,树龄为4～20年生的60余个山楂园调查(表1)统计和分析,树龄与株产之间呈极显著相关,得回归方程;y=-4.291+1.1133x,又对回归关系的t检验,结果回归关系极显著,说明树龄与株产之间有真实的回归关系,株产是随着树龄的增长而递增的。故
In the process of implementing the household contract responsibility system, the contracting disputes often occur due to the lack of scientific methods and poor deviations in the formulation of the contract index. This paper made a preliminary discussion on the issue of yield as a contracting index. Hawthorn is the main fruit tree in my county. According to the statistics and analysis of more than 60 hawthorn gardens aged from 4 to 20 years old, the author has a very significant correlation between tree age and plant production, and has regression equation; y = -4.291 + 1.1133x, again on the regression analysis of the t test, the results of the regression was extremely significant, indicating that there is a true regression relationship between tree age and plant production, plant growth is increasing with age. Therefore