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本地区土壤普查结果表明,不同田块中有效养分的含量各不相同。其中土壤有效磷含量变化最大。因而施磷的效果也不一致。但是目前生产上使用磷肥,不少地区存在不同程度的盲目性。为了消除这种盲目性,促进农业生产实现高产、低耗、高收益的效果,几年来,我们在宁镇茅山丘陵区稻麦两熟田上进行了磷肥试验。试图为建立该地区主要作物(水稻、小麦)测土施磷模式,探求某些可以遵循的规律及有关参数。
The results of soil censuses in this area show that the available nutrients vary in different plots. Among them, the content of available phosphorus in soil changed most. Thus the effect of phosphorus is inconsistent. However, the current production of phosphate fertilizer, there are many areas of varying degrees of blindness. In order to eliminate this blindness and promote agricultural production to achieve high yield, low consumption and high yield, we experimented on phosphate fertilizer in the paddy field and wheat field in Ningxia Maoshan hilly area for several years. Attempt to establish the model of soil phosphorus fertilization for the main crops (rice, wheat) in the area and explore some laws and parameters that can be followed.