Effects of changes in selected production variables on crop returns, costs and margins for machine harvest production of pickling cucumbers
[摘要]
[发布日期] [发布机构]
[效力级别] [学科分类] 农业科学（综合）
[关键词] effects of changes in selected production variables on crop returns;costs and margins for machine harvest production of pickling cucumbers [时效性]
