Liaoning is not suitable for cultivation of figs in the open field. In 1999, a greenhouse cultivation experiment of Masiyi and Taofen was carried out in Xiongyue, Liaoning. In the second year, the strain produced 4.25 kg, and the third year produced 14.1 kg, which achieved good results. The main points of cultivation techniques are described below:
(1) Colonization in a type IV solar greenhouse, planting in early November to early January, or planting in early April. Planting and digging trenches before planting, groove width 60 cm, depth 60 cm, fill in the bottom of the ditch 20 cm thick chopped straw, per acre applied into the decomposed manure 5000 kg, superphosphate 300 kg, fat and soil mixed backfill to Set 4/5 of the planting ditch, backfill the topsoil after being practical and filling with water. Row spacing is 2.5-3 meters 1.5-2 meters, north and south direction. Set a height of about 5 cm.
(2) Temperature and humidity control In mid-December, the temperature rises. Within the first month after warming up, the temperature in the greenhouse is maintained at 15-20°C during the day and the curtains are kept warm at night. Pay attention to adequate irrigation (drip irrigation) to maintain soil moisture. After the leaves have been developed, the daytime temperature is gradually raised to 20-25°C. Within the second month after warming, the greenhouse temperature is maintained at 25-30°C and the relative humidity is controlled at 60%-70%. In the third month after warming, the temperature in the greenhouse was maintained at 25-30°C and the relative humidity was about 60%. At the later stage, if the outside temperature reached the suitable temperature for growth, the film was partially removed. In early May, when the night temperature is higher than or equal to 15°C, the straw curtain is removed and the plastic film is removed in early June. Membrane is buckled when the average temperature drops to 16°C in late September. The night temperature in the room is lower than 15°C in late October and covered with straw insulation.
(3) Fertilizer management Base fertilizer is applied from late October to early 11th. The strain applied 30 kg of high quality manure and 1 kg of superphosphate. The new shoots grow vigorously and the leaves are sprayed with potassium dihydrogen phosphate, urea, potassium nitrate, and compound fertilizer. Spray once every 7-10 days, the spraying concentration is 0.3% in the early growth period and 0.5% in the late growth period. During the fruit ripening period of August and September, 0.3% calcium nitrate was sprayed to increase the fruit firmness.
(4) Pruning using single-armed pruning, set at a height of 15 - 30 cm, leaving 5 branches to grow upright, when the length of up to 150 cm, select two angles are good, strong antegrade branches gradually flattened Develop the main branch. A secondary branch is kept standing upright every 20 cm and the fruit removed. When the two branches intersect, they are truncated at the intersection and trigger the secondary branch. The remaining three branches were girdled at the base to erase the germination of all secondary branches. During winter pruning, the secondary branches on the main branch remain 2-3 buds at the base for heavy short cuts, and the remaining branches are completely removed.
After the second year of budding, one result branch was left every 20 cm on both sides of the main branch, and the remaining branches were wiped off. When the new shoot grows to about 25 knots, it will be picked up at the 15th to 20th knots above the first result. The top two secondary branches repeatedly picked up the heart, and the remaining secondary branches cleared early. There were 10 to 12 fruiting branches on each main branch of each plant, and 15 fruit were kept on each branch. Acre yield of 1500 kg, after the winter pruning, both in the results of the mother base 2-3 buds at the Department of heavy short cut, pay attention to local updates, to prevent the resulting parts of the external shift.
(1) Colonization in a type IV solar greenhouse, planting in early November to early January, or planting in early April. Planting and digging trenches before planting, groove width 60 cm, depth 60 cm, fill in the bottom of the ditch 20 cm thick chopped straw, per acre applied into the decomposed manure 5000 kg, superphosphate 300 kg, fat and soil mixed backfill to Set 4/5 of the planting ditch, backfill the topsoil after being practical and filling with water. Row spacing is 2.5-3 meters 1.5-2 meters, north and south direction. Set a height of about 5 cm.
(2) Temperature and humidity control In mid-December, the temperature rises. Within the first month after warming up, the temperature in the greenhouse is maintained at 15-20°C during the day and the curtains are kept warm at night. Pay attention to adequate irrigation (drip irrigation) to maintain soil moisture. After the leaves have been developed, the daytime temperature is gradually raised to 20-25°C. Within the second month after warming, the greenhouse temperature is maintained at 25-30°C and the relative humidity is controlled at 60%-70%. In the third month after warming, the temperature in the greenhouse was maintained at 25-30°C and the relative humidity was about 60%. At the later stage, if the outside temperature reached the suitable temperature for growth, the film was partially removed. In early May, when the night temperature is higher than or equal to 15°C, the straw curtain is removed and the plastic film is removed in early June. Membrane is buckled when the average temperature drops to 16°C in late September. The night temperature in the room is lower than 15°C in late October and covered with straw insulation.
(3) Fertilizer management Base fertilizer is applied from late October to early 11th. The strain applied 30 kg of high quality manure and 1 kg of superphosphate. The new shoots grow vigorously and the leaves are sprayed with potassium dihydrogen phosphate, urea, potassium nitrate, and compound fertilizer. Spray once every 7-10 days, the spraying concentration is 0.3% in the early growth period and 0.5% in the late growth period. During the fruit ripening period of August and September, 0.3% calcium nitrate was sprayed to increase the fruit firmness.
(4) Pruning using single-armed pruning, set at a height of 15 - 30 cm, leaving 5 branches to grow upright, when the length of up to 150 cm, select two angles are good, strong antegrade branches gradually flattened Develop the main branch. A secondary branch is kept standing upright every 20 cm and the fruit removed. When the two branches intersect, they are truncated at the intersection and trigger the secondary branch. The remaining three branches were girdled at the base to erase the germination of all secondary branches. During winter pruning, the secondary branches on the main branch remain 2-3 buds at the base for heavy short cuts, and the remaining branches are completely removed.
After the second year of budding, one result branch was left every 20 cm on both sides of the main branch, and the remaining branches were wiped off. When the new shoot grows to about 25 knots, it will be picked up at the 15th to 20th knots above the first result. The top two secondary branches repeatedly picked up the heart, and the remaining secondary branches cleared early. There were 10 to 12 fruiting branches on each main branch of each plant, and 15 fruit were kept on each branch. Acre yield of 1500 kg, after the winter pruning, both in the results of the mother base 2-3 buds at the Department of heavy short cut, pay attention to local updates, to prevent the resulting parts of the external shift.
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