This year's Wujiang City's autumn mulberry tree compared with the year-round performance as "fine slivers, more bars and more potential differences," the main reasons for analysis are the following points. First, there is a serious shortage of silkworm rearing, and part of the mulberry gardens are in the state of being planted without planting, planting and raising. The second is that the mulberry field has a serious shortage of chemical fertilizers. Summer harvesting and long-stemming fertilizers are not widely used or applied. In the whole year, 125 kilograms of fertilizer is applied per acre, which is 122 kilograms less than usual, a reduction of 49.4%. Third, there is a serious shortage of organic fertilizer inputs. The mulberry garden generally lacks organic fertilizer, which inhibits the mulberry tree's high yield performance. According to the survey, this year's organic fertilizer is put into 265 kilograms, which is the least recent year. Each acre is 750 kilograms less than the average year, a reduction of 73.9%. In view of the current situation that mulberry growth is generally worse than usual, it is necessary to grasp the favorable period of the mulberry tree winter tube and do four tasks of increasing fertilizer, clearing the ditch, repairing mulberry, and changing the garden. Fertilizing is to broaden the source of organic fertilizers, and the amount of organic fertilizer per mu is not less than 1,500 kg. First, it is necessary to make good use of farmyard manure such as pig manure and chicken and duck dung. Second, it should be combined with "double clearing of the rivers" to inject the river mud. The under-used ones should be covered with straw; the third one must be interplanted in the mulberry garden, and the cultivation of broad beans or vegetables should increase economic benefits. At the same time, combined with the application of organic fertilizer in the soil non-frozen period do a good job loose soil, improve the mulberry soil soil moisture. Clear ditch before the Spring Festival ditch ditch, so that "three ditch" supporting, can irrigation energy row. Xiu Sang did a good job in cutting and repairing mulberry trees before February. Cut about 1.2 meters left after cutting tip, remove disease fists, dry piles, and timely bring out the mulberry garden burned down, reduce the bacteria base. In order to improve the current status of low-yielding mulberry farms, the following three points should be done: First, the new mulberry varieties, mainly Nongsang No. 14, should be promoted. Second, we should update the old mulberry garden with a long tree age, a serious shortage of plants and a low yield, optimize the structure of the mulberry garden, and improve the overall level of the mulberry garden. Third, we must pay close attention to the transfer and adjustment of the lost and abandoned mulberry fields. In light of the characteristics of large-scale decentralization and decentralized distribution of mulberry fields that have been lost or abandoned, in accordance with the principle of “reinforcement and integrationâ€, the existing production mulberry gardens have been kept in a centralized state, and adjustments, lost circulation, and deserted mulberry fields have also been concentrated in a single piece. Classification management goals.
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