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通过田间试验和盆栽试验研究了小白菜和油菜在不同的土壤类型、肥料品种和不同施肥量条件下的生态效应 ,结果表明施用硫肥能促进作物生长、提高其干重生物量和含硫量 ,但施用石膏效果更佳 ,并随施肥量增加 ,效果也增强。盆栽试验中 ,同一处理油菜干重生物量和含硫量都表现为黄棕壤 >红壤 >灰潮土。施用单质硫能提高土壤中的有效硫 ,有利于改变土壤缺硫状况。缺硫土壤中油菜表现出花期延迟、花粉粒发育不全等。
The ecological effects of cabbage and rape under different soil types, fertilizers and fertilizers were studied by field experiments and pot experiments. The results showed that the application of sulfur fertilizers could promote the growth of crops and increase the dry weight biomass and sulfur content , But gypsum effect is better, and with the increase of fertilizer, the effect is also enhanced. In the pot experiment, the dry biomass and sulfur content of the same treated rape showed yellow brown soil> red soil> gray soil. The application of elemental sulfur can increase the available sulfur in the soil, which is beneficial to change the sulfur deficiency in the soil. Rapeseeds in the sulfur-deficient soil showed delayed flowering and incomplete pollen grains.