以牛粪、秸秆、地膜作为覆盖材料，测定盆栽圆黄梨幼树根际土壤水分、养分、有机质含量、植株生长、叶片养分的变化。
The effect of different mulch materials on soil characteristics , tree growth of young pear plant in sandy soil were observed .
圆黄梨