nong ye ji shu zi liao shou ce 农业技术资料手册 hei long jiang sheng nong ye ting 黑龙江省农业厅 creator text book hei long jiang ren ming chu ban she 黑龙江人民出版社 1959 1959
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CHI Agriculture https://www.biodiversitylibrary.org/bibliography/52425