First, roots: Under normal circumstances, radish lateral roots absorb water and nutrients, generally do not inflate. If you inflate, you will have a "birth."
Preventive measures: 1, choose a new species, avoid using Chen species. 2. Choose sandy loam soil or loam soil, cultivate sorghum. 3, increase organic fertilizer, pig manure, cattle manure best. 4, a reasonable dense planting, single plant seedlings. 5. When weeding and weeding, protect the main roots.
Second, split root: The cracking of fleshy roots is caused by uneven moisture in cultivation and management, and excessive water causes cracking.
Preventive measures: Water should be evenly distributed during the growth of radish roots, avoid drying and moisture.
Three: heart: carrots basically lose their value after eating.
Preventive measures: Use anti-bolting varieties and sow at the right time. Radish is a crop that requires more boron, appropriate addition of boron fertilizer to ensure a reasonable supply of water and fertilizer, timely harvest.
Fourth, black, black heart: production of soil compaction, radish rhizosphere hypoxia or infection black rot will cause radish black, black heart.
Preventive measures: 1, timely sowing, to avoid continuous cropping. 2, increase organic fertilizer, intensive cultivation, to avoid soil compaction. 3ã€In the early stage of the black rot, spray 47% Chunle chlorine copper wettable powder 700-800 times, or 58. 3% can kill 2000 dry suspension 800 times, or 77% can kill 101 wettability 500 times the particle powder, or 14% of the ammonia bath agent 350 times, spray 7-10 days, even spray 2-3 times.
Pet Massager,Cat Massage,Dog Massage,Pet Groomer Tools
Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizonscares.com