Chestnut is native to China and has a long history of cultivation. It has the largest cultivated area in Hebei Province. Chestnut growth cycle is divided into budding stage, shoot growth stage, flowering stage and fruit development period. The fertilization is divided into base fertilizer and top dressing. 1. base fertilizer. Shiji fertilizer time in late September to early 10, basal fertilizer should be applied to human livestock manure, soil miscellaneous fertilizers, cooked cake fertilizer and other organic fertilizers, generally each tree is applied 15 to 20 kilograms, fertilization method is generally along the circumference of the canopy digging ring groove fertilization. 2. top dressing. Chasing 3 times a year. The first time from the end of March to mid-April, the flowering differentiation of females was observed before germination. From the second half of May to the first half of June, the fruit fertilizer was harvested at the flowering stage. The third time from the beginning of July to the end of August, timely top-dressing can promote fruit plumpness and increase production. Each time, Tianyin brand phosphorus nitrate potassium fertilizer 0.8 to 1 kg. 3. Foliar spraying fertilizer. The first time in the middle and late May, the second time in the middle and late June, and the third time in the middle and late July, each sprayed 0.1% to 0.3% of potassium dihydrogen phosphate. (Zhang Qiaolan) Denim abrasion enzymes, fade enzymes, Denim washing enzymes Sunson Industry Group Co., Ltd , https://www.sunsonchinaenzymes.com
Chestnut is an important dry fruit species, with strong adaptability and long life. The chestnut fruit has high nutritional value, containing 5.7% to 10.7% protein, 2% to 7.4% fat, multivitamin and calcium, phosphorus, potassium and other minerals. The chestnut fruit can help the spleen, replenish the Qi, make up the liver, eliminate dampness and heat, and treat low back pain. It is one of China’s important export fruits and enjoys the reputation of “Oriental Pearlâ€. Chestnut hi light, drought tolerance, soil acidity and alkalinity requirements are stricter, and grows better in slightly acidic soils, suitable for cultivation on hillside and sandy beaches.