氮磷钾复合肥,compound fertilizer
sulphur-based NPK compound fertilizer硫基氮磷钾复合肥
3)chlorine-free fertilizer硫基氮、磷、钾三元复合肥
4)humic acid N-P-K compound fertilizer腐殖酸氮磷钾复合肥
1.The effects ofhumic acid N-P-K compound fertilizer on potato yield, marketable tuber rate and starch content were studied during 1993￣ 1995 at Wuwei of Gansu province.腐殖酸氮磷钾复合肥单一施用或与尿素配合施用，马铃薯的商品率和淀粉含量均比对照显著或极显著提高。
5)pound fertilizer氮钾复合肥
6)complex fertilizer containing phosphate and potassium复合磷钾肥
延伸阅读
合肥吴复墓石刻吴复墓石刻，在安徽肥东县萧纡乡享堂任村。吴复随朱元璋南征北战，以功封安陆侯，追封黔国公，谕葬。墓面向太湖，背靠高岗。神道旁南北对立一组圆雕石刻。自东向西排列翁仲、狮、羊、马、华表各一对，均整块花岗石雕成。翁仲高2.4米，柱剑挺立，威严肃穆。工艺为镂空与浮雕结合，简繁相宜。马小耳，长鬃，背面浮雕连枝花，腹下镂空；左侧雕驭手，戴圆顶帽，着长皂服，穿布云鞋。驭手和马由整块巨石雕成。神道西有龟形碑座，碑文为大学士刘三吾铭，惜碑已失。为省级重点文物保护单位。
