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将水稻和小麦种植在不同的碱化度(ESP)水平下,(15,30,45,60,75和90)用盆栽试验测定了铁和锰的有效性。结果表明;随着ESP水平的增加,土壤中铁和锰的浓度增加,但稻麦作物对Fe和Mn的吸收量却降低了。碱性土壤中种植水稻是有利的,因其对后作小麦来说,可改善Fe和Mn有效性。水稻谷粒和小麦稿秆产量随ESP水平的增加而下降。水稻当ESP水平超过60,小麦当ESP水平高于45时,发现两种作物产量大幅度下降。
Potted rice and wheat were planted at different levels of alkalinity (ESP), and the pot experiments were used to determine the effectiveness of iron and manganese (15, 30, 45, 60, 75 and 90). The results showed that with the increase of ESP level, the concentration of iron and manganese in the soil increased, but the amount of Fe and Mn absorbed by rice and wheat decreased. It is advantageous to grow rice in alkaline soil because it improves the Fe and Mn effectiveness for post-harvest wheat. The yield of rice grain and wheat straw decreased with the increase of ESP level. Rice When ESP levels exceeded 60 and wheat levels above 45 for ESP, both crops were found to have significantly reduced yields.