不同播期对春小麦产量及蛋白质含量的影响研究

Effects of different sowing dates on yieid and protein content of spring wheat

摘要: 试验研究春小麦分期播种不同发育阶段气候因子对其生长发育、产量及品质的影响结果表明，哈尔滨地区春小麦适宜播期为4月中旬后期(4月14～21日)，此时播种有利于春小麦籽粒产量和蛋白质含量的提高。

Abstract: The effects of dmerent climate factors on the development， yield， and quality of wheat in different sowing dates are studied．The resu1ts show that the suitable sowing period of spring wheat is in the middle of April．Sowing in this time．the yield and protein contents of the spring wheat wil1 be increased markedly．