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硼是作物生长的必需营养元素,其供应状况与作物需硼水平及土壤含硼量关系密切。据我院分析我省水稻土水溶性硼量平均只有O.17PPM。579个土样:其中55.1%样品低于O.1PPM;30.1%低于O.11%—O.20PPM;9.9%样品在O.21—O.30PPM
Boron is an essential nutrient for crop growth and its supply is closely related to the level of boron required for the crop and the amount of boron in the soil. According to our hospital analysis of the province’s paddy soil water-soluble boron average only O.17PPM. 579 soil samples: 55.1% of samples below O.1PPM; 30.1% below O.11% -O.20PPM; 9.9% of samples at O.21-0.30PPM