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衢县塔石公社豆腐王大队、城关镇小南门大队第九生产队,在学习了外地稻田放养群鸭除虫的经验后,于1978年7月2日,各饲养了本地品种小水鸭250只,重点在晚稻田内放养,进行养鸭除虫试验。现将初步结果整理如下:(一)放养水鸭除虫的面积和方法豆腐王大队和小南门大队第9队晚稻实种面积779亩,供作放养水鸭除虫的面积211.5亩,占实种面积的27.2%。其中豆腐王大队供放养水鸭除虫的面积为101.5亩,占实种面积的15.9%,平均每亩有水鸭2.5只;小南门大队第9队供放养水鸭除虫的面积为
Qu County tower stone commune tofu king brigade, Chengguan Town, South Gate Brigade ninth production team in the study of paddy field in the wild group of duck exterminate experience, on July 2, 1978, the local breed of small duck 250, focusing on stocking in late rice fields, deratization test duck. The preliminary results are now organized as follows: (a) the stocking area and method of teal detritus Wang Tudou and small South Gate Brigade No. 9 late rice real area of 779 acres of stocking for deer stocking duck water area 211.5 acres, accounting for The real area of 27.2%. Which tofu king brigade for feeding water duck insects area of 101.5 acres, accounting for 15.9% of the real area, with an average of 2.5 duck per mu; small South Gate Brigade 9th team for feeding water duck insects area