The application of potash and (or) organic manure also increased wheat yield, total content of amino acid and crude protein, decreased the content of raw starch in wheat grain, however.
施用钾肥和（或）有机肥提高了小麦子粒的氨基酸总量、粗蛋白含量，但降低了粗淀粉含量。
2
The field experiment showed that there were very significant effect on potash and phosphate application and significant effect on organic manure application.