陕西关中地区夏玉米不同施肥方式效果的比较

Comparison of Fertilizer Effect of Different Fertilizer Applications on Summer Maize in Guanzhong Area

通过对陕西主栽普通玉米和特用玉米施用普通化肥、配方肥、新型BB肥后的产量及相关植株性状的分析,结果表明,增施钾肥和新型BB肥能明显提高玉米百粒重和单株生产能力,显著提高玉米产量。NPK优化处理和新型BB肥的优势明显,分别较普通肥料(尿素、磷酸氢二铵)平均增产7.4%和12.8%。相同肥料水平下,普通玉米和特用玉米分别平均增产15.0%和4.1%。施用配方肥和新型BB肥是陕西关中玉米进一步提高产量高效栽培措施的肥料调控方向,且相同肥料水平下普通玉米较特用玉米增产更为明显。

Using main normal and special maize cultivars as experimental materials,the effects of applying normal fertilizer,formula fertilizer,and new BB fertilizer on the productions and related plant traits of summer maize in Shaanxi province were analyzed.Increasing application of K fertilizer,and applying new BB fertilizer could improve kernel weight and plant productivity of maize,then significantly increase grain yield.The formula fertilizer and the new BB fertilizer had more obvious advantages in increasing the yield of maize than the normal fertilizer,and increased by 7.4% and 12.8% respectively.Under the same application level of fertilizer,the yield of normal and special maize cultivars respectively increased by 15.0% and 4.1% respectively.These results showed that the application of compound fertilizer with K and new BB fertilizer was important for further increasing the yield of maize in Guanzhong area of Shaanxi Province,and under the same application level of fertilizer,the normal maize cultivar had more obvious increase in yield than the special maize cultivar.