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油菜需水量及需水规律的研究谢素华，杨明高，张清（四川省人民渠一处）人民渠灌区地处川西平原东北部．常年有效灌溉面积２２９．４５万亩，油菜栽种面积约占小春作物的１／４左右，仅次于小麦的栽种面积，是我省油料作物的主要产区之一。人民渠一处灌溉试验站连续１２年...
Study on water requirement and water requirement of rapeseed XIE Su-hua, YANG Ming-gao, ZHANG Qing (Drainage Area, Sichuan Province) The people’s irrigation area is located in the northeast of the western Sichuan Plain. Annual effective irrigated area of 229.45 million mu, rapeseed area accounts for about 1/4 of spring crops, second only to the area planted with wheat, is one of the major oil-producing crops in our province. People ditch irrigation experimental station for 12 consecutive years ...