Common sense of Ophiopogon japonicus
Ophiopogon is a new superior ground cover plant popularized and planted by the garden department of our country in recent years. It is ornamental in summer and green in spring, autumn and winter. Root tuber used in medicine has the effect of moistening the lungs and relieving cough, benefiting the stomach and promoting fluid.
Ophiopogon is a perennial evergreen herb of Liliaceae, with fusiform tuberous roots at the end of the root. Leaves tomentose, 15 to 20 cm long. The flower stem is extracted from the foliage, the raceme is spikelike, bisexual flowers, perianth 6, the flowers at the beginning of lavender, gradually become white. It can be used as a cover under the forest. Flowering from July to August and fruiting from September to October.
Ophiopogon is native to North and Northwest China, resistant to cold and drought, prefer semi-shady environment, and the suitable growth temperature is 15 ℃ to 28 ℃, which is suitable for the growth of loose and fertile sandy soil. Ophiopogon japonicus is propagated by sowing or ramet. Indoor pot sowing in winter and planting in spring. The pot plants are better in spring and summer, and the row spacing is 15 × 20 cm, which can be used to cover the ground in the same year. Ophiopogon has strong adaptability, topdressing is applied every half a month during the growing period, and appropriate amount of organic fertilizer, such as bean cake, sesame sauce residue or dried chicken manure, etc., and a small amount of compound fertilizer can also be applied. No matter what kind of fertilizer is used, clear water must be watered immediately so that the fertilizer will not burn the leaves and roots.
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Brief introduction of two varieties of sweet potato
1. Zhe Shu 13 identification number: Zhe Shu 2005002 breeding unit: Zhejiang Academy of Agricultural Sciences Nuclear Research Institute Variety Source: Zhe 3481 × Zhejiang 255 yield performance: according to multi-year experiments, the average yield of fresh potato per mu is about 2500 kg, which is more than 10% higher than that of the control Xushu 18. Characteristics: it is a mid-late mature variety, the whole growth period of open field planting is about 135 days, and it is easy to bud and blossom in autumn. Long vines, strong growth potential and large leaves
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Aixianzhan, a New Conventional Rice Variety
Aixianzhan, a new conventional rice variety with good quality and high yield for both early and late season, was bred by crossing Yueyezhan 21/Yuanxianzhan. It was identified as the first class rice of national standard by physical and chemical analysis by Food Quality Supervision and Inspection Center of Ministry of Agriculture (Wuhan), breaking through the zero record of the first class rice variety of national standard quality in our province. It is reported that this variety is early-maturing, late-maturing, temperature-sensitive indica rice. In 2002, late-cropping rice was tested in provinces and regions. The average yield per mu was 383.29 kg, which was 3.54 kg higher than that of CK japonica rice 89
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