复合氨基酸肥料增效剂对新疆棉花生长、产量和养分利用的影响

Effects of the compound amino acid fertilizer synergist on growth and nutrients use of cotton in Xinjiang

在新疆盐碱土条件下,以棉花为材料进行盆栽试验,研究复合氨基酸肥料增效剂对棉花生长、产量和养分利用的影响。结果表明,与普通水溶肥料处理相比,配施复合氨基酸肥料增效剂能够促进棉花植株生长,增加叶面积和叶片SPAD值;促进地上部干物质的积累,从而提高产量,实现籽棉增产32.19%,皮棉增产41.49%;促进棉花对氮磷钾养分的吸收利用,肥料偏生产力和农学利用效率分别提高54.22%、32.48%,差异显著,从而大幅度减少了化肥养分的损失。总之,复合氨基酸肥料增效剂在盐碱土棉花上具有良好的肥料效果,值得进一步研究和推广应用。

To study effects of the compound amino acid fertilizer synergist（ CAAFS） on the growth,yield and nutrients uptake of cotton on a salt affected soil,pot experiment was tested with cotton in Xinjiang. The results showed that compared with common water soluble fertilizer,adding the CAAFS promoted the leaf SPAD value of different growth periods of cotton,and improved the yield of seed cotton by 32. 19% and cotton fibre by 41. 49%; improved dry matter accumulation of all growth periods of cotton on the ground,and significantly improved the partial fertilizer productivity and agronomy efficiency by 54. 22%and 32. 48%,respectively,which explained that CAAFS significantly reduced the fertilizer nutrient loss. In short,CAAFS had good fertilizer effect on cotton on salt affected soil,which deserved further study and popularization.