旱坡地密植枣园经济效益分析

旱坡地隔坡集蓄径流水平沟密植枣园经济效益的高低，除受栽培技术和管理水平影响外，在某种程度上亦受投入多寡的影响。各项投入的多少，决定着该项技术在实际生产中实用性和可推广性的大小。调查分析结果表明，隔坡集蓄径流水平沟密植枣园第3年开始盈利，第4年即可全部收回投资，其经济效益要比鱼鳞坑高得多。

An Analysis of Economic Benefit of Dense Jujube Orchard in Arid Hill

In order to achieve high yield and early benefit of jujube in contour strips with trough dense or-chard in arid hill, in addition to increasing management level, the amount of cost can affect to some extent the ecnomic benefit of jujube orchard and determing its feasibility of extension and practical availability' The re-sult shows that dense jujube orchard in contour-strips with trough yields benefit at the third years and recalls entire investment, its economic benefit is much' higher than that of pit orchard