大白菜施用磷石膏试验在盐化潮土地区施用磷石膏做基肥种植大白菜，可明显改善生育性状，提高产量，与磷酸二铵、过磷酸钙效果相近，且有防治大白菜干心病的作用。依据磷石膏中会有作物可利用的磷、钙和多种微量元素（锌、铜、锰、钼等）及具有较强酸性（ｐＨ≈３）等特点... Chinese cabbage use phosphogypsum test Applying phosphogypsum basal fertilizer to cultivate Chinese cabbage in alluvial soil can obviously improve fertility traits and increase yield, which is similar to DAP and SSP, and has the effect of preventing and curing Chinese cabbage dry heart disease . According to phosphogypsum there will be crops available phosphorus, calcium and a variety of trace elements (zinc, copper, manganese, molybdenum, etc.) and has a strong acidity (pH ≈ 3) and other characteristics ...