Drainage method of winter jujube seedlings
Date:2018-09-15 Source:
Although the winter jujube seedlings have strong stagnation resistance, the soil structure in the orchard is destroyed and the soil structure is damaged for a long time. The roots of winter jujube seedlings are inhibited from respiration, which is easy to root and affect the root absorption function. Poor ventilation affects soil microbial activity, reduces soil fertility, and produces harmful substances such as methane, hydrogen sulfide, and carbon monoxide. The growth of roots and shoots of winter jujube seedlings and the yield and quality of fruits were seriously affected. Therefore, in the rainy season, attention should be paid to the accumulation of water in the orchard. When draining, pay attention to soil and water conservation to prevent soil erosion. The water in the tray of winter jujube must be drained by water seepage, especially in saline-alkali soil. The water pressure and alkali of winter jujube seedlings must be stored. Conditional orchards can be built around orchards to store drainage and runoff for use when irrigation is required. It takes about 10 years to achieve the above-mentioned high yield indicators on the sparse tree canopy, and the densely planted orchard can reach 3 to 5 years. The densely planted orchard can give full play to the group advantage in the early stage of the orchard, the leaf area is rapidly expanded, the assimilation function is strong, and the nutrient accumulation of the winter jujube seedlings is more. The vegetative growth of the winter jujube seedlings has a rapid change in reproductive growth, which can lead to early results and shorten the entry into the high yield period. Winter jujube is a kind of fresh food, which can only be picked by hand, suitable for small crown dense planting. Jujube garden is easy to pruning, fertilizing, water, picking, spraying and other operations, reducing production costs and improving the efficiency of jujube. Winter jujube seedlings were planted or changed in the same year, survived in the same year, flowered in the same year, and the fruit characteristics of the year. The dense planting garden can fully utilize the early fruit characteristics of winter jujube to achieve early fruit and high yield.