This year, the Meiyu period is long, and continuous rainy weather has affected the normal growth of mulberry trees. The main performance is that the mulberry trees germinate late after the summer harvest and grow poorly. At present, the mulberry tree grows quickly. To ensure the autumn silkworm leaves, we should pay close attention to the following management of mulberry fields.
Assault sparse buds Due to continuous rainy weather after the mulberry felling, germination is delayed, but the number of germination is relatively large, which easily results in inconsistent nutrient supply and is not conducive to pumping. The current should be immediately sparse buds, forest mulberry left 8,000 to 9,000 per mu.
Adding fertilizing material before a period of time causes the loss of mulberry garden fertilizer more, should be applied in time to grow long-term fertilizer, per acre planted manure 2000 ~ 2500 kg, 50 kg of ammonium bicarbonate. In the earlier period, there was no mulberry garden capable of applying Shafei in time, and it was necessary to supplement the compound fertilizer.
Prevention and control of pests Mulberry pests in the mulberry field are mainly pests of Lepidoptera, such as mulberry, mulberry, and mulberry caterpillars. In particular, the occurrence of mulberry crops is large, and the number of insects per acre of individual plots has exceeded 6,000. This year will become this year. Mulberry pests in the autumn mulberry field can be controlled by using 40% Propionin EC from 1500 to 1800 times. For fields where there are small body pests such as mulberry horses and red spiders, sangling 73% acetylene emulsion (3000 times liquid) mixed spray can be added. When a mulch disease occurs, the diseased leaves and diseased branches should be cut off in time, and the mulberry field must be burnt out. The ciprofloxacin hydrochloride (Sangbao I) and enrofloxacin hydrochloride (Sangbao II) should be used for alternate spraying. , Every 7 days, be careful not to mix with pesticides. Select early evening spray, after the drug spray rain.
In addition, it is necessary to do a good job of the mulberry garden's conventional management, such as timely weeding, weeding, drainage, and drainage.
Corn has a rich variety of genes, under the guidance of these genes, will produce different colors.Most of these maize varieties are the expression of some anthocyanins produced in the grain under photosynthesis, and different anthocyanins cause different colors.
Black corn skin is black, this kind of corn is more rare, and the nutritional value of black corn is very high, whether it is the type of amino acid or the content of trace elements are far higher than other kinds of corn, eating black corn has a protective effect on the human five viscera, but also to keep the body perfect.
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