Generally, sandy or loamy soil with deep soil layer, loose soil, fertile soil, rich in organic matter and good drainage is the best(200 cell trays bulk). It is not suitable to cultivate heavy soil, saline alkali land and low-lying and waterlogged land. Before planting, 3000kg of rotten farmyard manure, 50kg of NPK (15:15:15) ternary compound fertilizer were spread every 667m2(15 gallon nursery pots wholesale). You can also use packing bags to pack clean vegetables for supermarket sales.
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At this time, the temperature is not very low(112 cell trays bulk). According to row spacing of 25cm, plant spacing of 15cm, 2-3 plants were planted in each hole. If not, water shall be poured thoroughly. During the growth period, the soil shall be kept moist, and waterlogging shall not cause the foundation to rot. During the day, the air can be greatly ventilated and the air outlet can be closed at night(20 gallon nursery pots wholesale). After December, straw curtains shall be covered at night for heat preservation.
(cheap terracotta plastic plant pots manufacturers sa)The application of fertilizer for heart keeping vegetable should be few times and few times(288 cell trays bulk). It should not be used excessively at one time. Generally, fertilizer or water should be applied once a month to promote branching and increase yield. After planting, water shall be poured for one time and then for another one or two times according to the soil and temperature(128 cell seed trays wholesale). After transplanting, the principle of "see the dry and see the wet" shall be mastered.
During the high temperature and drought period, water should be poured frequently(20 cell trays bulk). During the flood season or after the heavy rain, the water should be drained in time. Before the closure of the row, the grass should be cut several times. After that, the soil will be loosened and weeded before overwintering and returning to green in early spring(128 cell trays bulk). After harvesting, they can be bundled into even ones and sold directly.(cheap terracotta plastic plant pots manufacturers sa)
No water should be accumulated in the ditch to avoid root rot(50 cell seed starter trays). In the winter and low temperature period, keep the soil moist, not too wet, not to accumulate water, easy to cause rotten roots. After the cultivation of heart nourishing vegetable, when the shoots grow to about 20cm high(72 cell plug trays supplier), they can be harvested (similar to leek harvesting). After each harvesting, 5-7kg urea and 1-2kg potassium dihydrogen phosphate are poured with water every 667m2.
(cheap terracotta plastic plant pots manufacturers sa)Heart nourishing vegetables like warm climate, can't bear frost, and grow slowly under the hot sun in summer(72 cell seed starter trays). In winter and spring, the Yangtze River basin can be covered with plastic shed, small arch shed and straw curtain. When the temperature is kept at 15-30 ℃ in the daytime, it needs to be ventilated and cooled when it is over 32 ℃(72 cell propagation trays wholesale). At night, the temperature is kept above 5 ℃, and the relative humidity is controlled at 65% - 75%.
After the beginning of spring (around February 4), the air volume will be increased gradually with the increase of external temperature, and the straw curtain will be removed in the first ten days of April(18 cell seed starting trays). In summer and early autumn, it is mainly covered with sunshade to prevent sunshine, high temperature and rainstorm, which can not only increase the output but also improve the quality(sureroot plug trays bulk). It can be covered with 50% - 60% sunshade with arch canopy.
Deep ploughing and fine harrow were used to form a deep furrow and high border with a width of 1.2-1.5m(20 cell seed starting trays). When the plant grows to 20cm high, it can start to harvest by stages and batches to improve the yield and extend the supply time. When harvesting, 2-3 nodes should be left at the base of the stem in order to continue sprouting new shoots(72 cell seed trays wholesale). You can use a sickle to cut more than 2-3 nodes of tender shoots, like leek, 10-15cm long.(cheap terracotta plastic plant pots manufacturers sa)