First, the production base environmental conditions. The vegetable plots require to leave the highway and national highway 900 meters; leave the local main road 500 meters; leave the hospital, living pollution sources 2000 meters; leave the industrial and mining enterprises 1000 meters. Former crops are non-cruciferous crops. The soil meets the requirements of the national soil environmental quality standard GB15618-1995, and it is suitable for sandy loam soil. Irrigation conditions are in line with the requirements of the national farmland irrigation water quality standard GB5084-1992. Second, nurture strong seedlings. The seeds can be sown from late August to early March. Black-leaf fragrant cabbage and yellow-leaf fragrant cabbage varieties can be used. Black-leaf fragrant greens are suitable for winter cultivation. Yellow-leaf fragrant green vegetables are suitable for late autumn and early spring cultivation. Each mu of fermented organic fertilizer 1500 kg. The use of sowing or drilling, sowing the amount of 2 kg per acre seeding, after sowing cover fine soil 0.5-1 cm thick, flat and compaction. Covering the shade net after sowing, watering once in the morning and evening before emergence, keeping the soil moist until emergence. The cover was removed promptly after emergence. Seedlings were planted 1-2 times during seedling growth and watered once after seedling growth. Third, field management. (1) Colonization. Each field of mud per acre applied 4,000 kg of organic fertilizer and 20 kg of compound fertilizer. Land preparation is done 15 centimeters high and 120-150 centimeters wide. About 30 days after sowing in early autumn, about 40 days after late autumn and winter sowing can be planted. 4000-5000 plants are planted per acre. (2) Management after planting. Immediately pour enough water after transplanting. In the early fall, defoliation should be properly replenished with water. Autumn and winter pods should be treated with as little water as possible after the plants are transplanted. Spring leeches must be strictly controlled due to rain. Under normal circumstances, to keep the soil moist during the growth, in case of continuous rainy weather drainage should be cleared in time. Stop watering 5-7 days before harvest. In the early stage of growth, quick-acting fertilizers are not applied in principle, and foliar fertilizers and quick-acting phosphorus and potassium compound fertilizers are applied as the growth conditions in the middle and later stages. Fourth, pest and disease control. In accordance with the plant protection policy of "prevention-oriented, comprehensive prevention and control", the principle of pollution-free prevention and control based on "agricultural prevention, physical prevention, biological control, and chemical control shall be adhered to". (1) Agricultural control: Rotation of crops, soil exposure, strengthening of cultivating and weeding, and cleaning of pastures are used to reduce the number of pests and diseases in the field. (2) Physical control: silver gray insect nets are used to avoid maggots, and black light lamps are used to trap and kill locusts. (3) Chemical control: adopt high-efficiency, low-toxicity and safe chemical pesticides, strictly implement GB4285 "Pesticide Safety Use Standards" and GB832; 1-GB8321.5 "Pesticide Fair Use Guidelines 1-5". The main pests and diseases of fragrant vegetables during the whole growing season are viral diseases, aphids and cabbage caterpillars. Virus disease can be sprayed 2 times with 20% virus net 600 times in adult stage; aphids can be sprayed 1500 times faster; cabbage caterpillars and other pests can be controlled by Suave 1000 times spray. China Agricultural Network Editor
Foot of ningxia hong xingda incense Organic Apple fruit suborbicular, fruit surface color yellow green, most with orange chardonnay fruit surface, covered with bright red stripes, pulp yellow-white, succulent crisp, sweet, rich fragrance, quality first-class; The fruit has a sugar content of over 15%, more than 4% of the national average, and the flesh is tight and crisp and sweet, which is widely loved by consumers all over the world. There is a longer optimal consumption date than any other apple, not even refrigerated. It can be kept for 4 months at normal temperature. If refrigerated, Fuji can be kept for 5--7 months.
Altitude: high altitude area light, clean air, environment close to original condition, no industrial pollution. With an average elevation of 1160-2900m, the central health center has a strong uv light, which produces the natural pollution-free apple, which conforms to the concept of a modern green diet.
Temperature: moderate temperature can avoid the chance of fruit tree encountering disease. The average temperature in ningxia is 8.4 degrees Celsius, which has an important influence on the growth, development, yield and quality of apple. The piedmont apple is thriving in such a good environment.
Humidity environment: moderate amount of rainfall provides necessary conditions for apple's growth. The annual rainfall in the central health region is 186 millimeters. The fruit is slow to grow and the fruit is hard and hard, which fully guarantees the fruit's sugar content and the relatively average size of apples.
Sunshine condition: apple is the fruit tree, the central health area of the whole year is nearly 3,800 hours, is beneficial to the Apple Fruit coloring. The piedmont apples are red and bright.
Temperature difference factors: ambassador apple nighttime respiration weak temperature gap between day and night, consume less organic matter, the accumulation of organic matter during the day more, that apple store down a large number of glucose sugar candy, etc have better taste. The average diurnal temperature difference between apple and apple is 14 degrees centigrade, and the larger diurnal temperature difference ensures the sweet and delicious characteristics of the apple.
Other factors: frost can make apple blossom and fruit, which can cause frozen flower jelly, which is bad for apple's production. The piedmont apple has been kept at least 167 days without frost for the whole year, which minimizes the influence of apple on yield and quality.
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Ningxia hongxingda fruit industry , http://www.hxdfruit.com