Application of Jinzhengda Slow-release Fertilizer on Late Rice

Fertilizer location experiments were carried out to investigate the effect of Jinzhengda slow-release fertilizer on increasing output and benefit of rice in plain and hilly area around lake of northern Hunan with slow release fertilizer,organic fertilizer and conventional chemical fertilizer in Bijiashan village of Heshan district,Yiyang city in 2011.The results showed that slow-release fertilizer could provide enough nutrition to plant and improve soil nutrition.The fertilizer released fast at early stage,the total content of N and K were 227.33 and 180 mg/kg in the soil.The yields of Xiangwanxian No.17 were different under different treatments: slow-release fertilizer organic fertilizer conventional fertilization CK.