他们盆栽土填土。
起初，模拟实验田有点“不愿”吸水，但是很快就变成了很好的盆栽土。
The imitation ground at first was a little "reluctant" to absorb water, but soon turned out to be good potting soil.
采用盆栽土培法，研究了5个类型共89个水稻品种糙米含钙量的差异。
A pot experiment was conducted to investigate calcium (ca) content in brown rices of 89 rice cultivars of 5 genotypes.
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