The 1 000-grain weight and seed setting rate improved with the increase of diammonium phosphate. 增加磷酸二铵的施用量,水稻的千粒重和结实率也随之提高。
Water stress during anthesis and kernel stage effects most greatly the thousand-grain weight and the grain number per ear,yield decreases more greatly. 花粒期阶段水分胁迫对千粒重及穗粒数影响最大,产量降幅更大。