doublecroppingrice相关论文
Root characteristics and yield of rice as affected by the cultivation pattern of strong seedlings wi
To address the relationships between the amount of nitrogen fertilizer application and the yield of double cropping rice......
总结了１９９１年￣１９９５年关于双季稻吨粮田的土壤肥力定位研究情况。试验表明，在实施吨粮技术体系的条件下，产量和土壤肥力是稳定的。在不同冬作类......
