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Investigation and evaluation of fertilization by farmers in Ningxia

Wang Mingguo,Ma Yulan,Feng Jing,Yin Xuehong(Ningxia General Station for Popularization of Agricultural Technology,Yinchuan 750001,China)  
According to the data from fertilization by farmers in some counties of Ningxia from 2005 to 2008,current main nutrients for crops,actual state of fertilization,input of fertilizer nutrients and contribution of fertilizer were analyzed.The results showed that popularization of fertilizing with prescriptions by soil testing greatly improved fertilizing structure and level of farmers to make the allocation of fertilizer resources tend to reasonable.But high cost for fertilization and inadequate of input of organic manure were urgent problems to be resolved.
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