Interactive Effects of Nitrogen and Potassium on Grain Yield and Quality of Waxy Maize.

ABSTRACT: Reasonable fertilization of nitrogen (N) and potassium (K) had significant effects on maize growth. In this experiment, two N levels (N180 and N225 kg ha^-1) and four K treatments (K0, K75, K150 and K75 + 75 kg ha^-1) were set to study the effects of combined application of N and K on the grain yield and quality of waxy maize. The results showed that grain yield increased with increasing K under the same N level, and top-dressing K further increased the grain yield. K application increased starch content significantly at N180 and decreased significantly at N225, while the protein content increased significantly at the two N levels. The grain starch content with the K75 + 75 treatment increased by 5.8% and 9.0% compared with K150 at the two N levels, and the protein cont

SUBMITTER: Zhang Q 

PROVIDER: S-EPMC9571907 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature