On the month scale, nutrients of different forms show high values in spring, followed by autumn and summer, with the lowest contents in winter.
在月季变化上，各形态营养盐大体上表现为：春季>秋季>夏季>冬季；
On the month scale, nutrients of different forms show high values in spring, followed by autumn and summer, with the lowest contents in winter.
在月季变化上，各形态营养盐大体上表现为：春季>秋季>夏季>冬季；
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