绿色食品玉米生产操作规程
CHINESE COUNTRYSIDE WELL-OFF TECHNOLOGY(2009)
Abstract
<正>1产地选择产地环境应符合NY/T391的要求。要求土壤土层深厚、疏松,保水、保肥能力强,农药残留量低,并具有较高的土壤肥力。2品种选用2.1品种选用经审定推广的、生育期适宜、品质优良、抗逆性强的高产品种。要求抗大(小)斑病、丝黑穗病、病毒病等。需进行单一品种生产。
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