How to prevent the sweet potato deformity better
Common sweet potato malformation roots are: large end of small tail, burdock root, potato block cracks, hard roots, which grow like a "red blood" and so on, these phenomena have seriously affected the value of sweet potato products, today we will introduce The method of preventing and treating sweet potato block malformation. First, the soil selection Although the soil requirements of sweet potatoes are not strict, but it is best to choose topsoil loose, well-drained, rich in organic matter, deep sandy soil and loam soil. Too much sandy soil should be supplemented with organic fertilizers and clay to improve the soil. The clay soil with heavy soil has strong water retention but is not conducive to the formation and expansion of roots. Second, the rational fertilization of sweet potato potassium in the growth of the largest demand, followed by nitrogen fertilizer, phosphate fertilizer at least. The demand of nitrogen fertilizer is mainly concentrated in the pre-ridge, in the potato stage should not be excessive nitrogen fertilizer, if the available nitrogen content in the soil is too high, the juvenile root column aging cells form fiber roots, it is difficult to expand into roots. Therefore, we must pay attention to early diarrhea, heavy potassium later. Third, to strengthen water management There are some teratogenic potato, is caused by improper soil moisture, some sweet potato roots in the expansion process of cracks, often caused by water or rain after drought. Silk Face Mask,Face Mask,Cotton Face Mask,Disposable Flat Face Mask Puyang Degren Medical Equipment Co., Ltd. , https://www.degrenyuwei.com