| SPNE (Special Plant Nutritional Element) was sprayed to plants of shatang orange in two years. The plants
were divided into two types that were sprayed by SPNE and water in the first year, then the plants were divided into four
types in the second year: The plants were sprayed by SPNE in the first half year, were sprayed by SPNE again in the
second half year; The plant were sprayed by water in the first half year, were sprayed by SPNE in the second half year; The
plant were sprayed by SPNE in the first half year, were sprayed by water in the second half year; The plant were sprayed
by water in the first half year, were sprayed by water again in the second half year. The results showed that the yield and
quality of shatang orange could be increased by SPNE in the first year. When the shatang orange plants were treated by
SPNE in the second year, yield and content of soluble solids, protein, chlorophyll and activity of peroxidase (POD) were
better than the contrast. The best group was that treated by SPNE for two years. |
