叶面喷施硒肥对水稻含硒量及产量的影响

Effect of foliage dressing Se fertilizer on the rice in the field

黑龙江省处于缺硒地区。盆栽和田间叶面喷硒试验表明,根外追肥是补充水稻含硒量的有效措施,叶面喷施硒肥(Na2SeO3)的最佳用量为11 25g/hm2。同时对水稻具有一定增产作用。

There is less Se in the soil of Heilongjiang province. Pot and field se fertilizer experiments showed the foliage dressing fertilizer was the effective way to apply Se on the rice. Selection was done in the test with different content of Se fertilizer and the best amount of this one was 11.25g/hm^2, and the safe amount range of using Se in the rice was 0.1～0.3 mg/kg. At same time, it could increase the yield of rice.