This paper reports on the new liquid fertilizer used and its proper foliar spray used in dryland based by improving type of fertilizer and application deal with the law use rate of chemical fertilizer. The result showed that the new multiperpors liquid fertilizer could reduce leaf water pretension, improve plant photosynthesis rate and water use efficiency, which increased yield of 10% ̄30% (mean 21. 6% ), and improve yield of 213 ̄5 475kg/hm2(average of 705kg/ hm2 ).
修改评论