In order to treat waste super ovulation by large-scale cultivation in Jiangsu Province, which may cause serious environment pollution and a massive waste of nutrient resource, field experiments were conducted to investigate the effects of high pig manure on sword leaf photosynthetic characteristics and yield of rice. The results showed that 150% PM treatment increased the net photosynthetic rate, net quantity of photosynthesis and SPAD, and which reduced the sword leaf area compared with NPK treatment. Moreover, the amount of net photosynthetic contribution from net photosynthetic rate was increased with 150%PM treatment compared to NPK treatment by 6.8 percentage points at filling stage. The rice yield and economic coefficient of 150%PM treatment were higher than that of NPK treatment at harvest. In addition, use of pig manure nitrogen reached 1.5 times of fertilizer can achieve high yield of rice in the research condition.
SUN Guo-Feng-1 2, ZHOU Yu-3, ZHOU Wei-1 2, SHENG Jing-1 2, CHEN Liu-Gen-1 4*
. Sword Leaf Photosynthetic Characteristics of Rice Applied with High Pig Manure in 3 Years[J]. China Rice, 2015
, 21(4)
: 132
-134
.
DOI: 10.3969/j.issn.1006-8082.2015.04.029
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