Recipe of sweet potato hydroponic nutrient solution for stem tip vegetable in winter greenhouse and its application method
A technology for hydroponic nutrient solution and nutrient solution, which is applied in the directions of botanical equipment and methods, cultivation, and application, can solve problems such as affecting water quality and root vitality, slow growth of stems and leaves, unbalanced nutrition, etc., and achieves less crude fiber content. , more branching, less browning effect
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Embodiment 1
[0014] Xu Caishu No. 1, also known as Shu (Cui) Green No. 1, is a new variety of sweet potato for stem and leafy vegetables jointly selected by Jiangsu Xuzhou Institute of Agricultural Sciences and Zhejiang Academy of Agricultural Sciences. The growth potential is strong, the stem tip is prominent, the apex has teeth, no hairs, and the leaves are small (10.3㎝×9.0㎝). The top leaves and leaves are light green, the veins, petioles, vein bases, handle bases, and stems are all green, and the plant type is semi-erect. The petiole is 10.8㎜ long, the petiole is 3.7㎜ thick, the branching ability is strong (11.1), the stem is 5.8㎜ thick, the internode is 4.4㎝ long, and the shoot tip for leafy vegetables per mu is 43.2kg / time. Stem tip vegetables are fragrant and lubricated, without bitterness and astringency, and taste better than fungus vegetables and water spinach. It is suitable for high temperature, high humidity, and high fertilizer growth. It is a good supplement for leafy vegeta...
Embodiment 2
[0025] Ningcaishu No. 2, the original line number Ningcai 4-2, was further screened, identified and cross-breeded by the Jiangsu Nanjing Institute of Agricultural Sciences for the main leaf vegetable varieties. It is a sweet potato variety for stem tip leafy vegetables with a refreshing taste. It passed the national variety identification in March 2012. The outstanding features are (1) extremely high yield: 88.8kg per mu of stem tip for leafy vegetables; (2) strong cold resistance: stronger cold resistance than other sweet potato varieties for leafy vegetables, suitable for growth in Jiangsu and northern regions, in winter It can grow normally in sunlight greenhouses; (3) Good taste: pure taste, no bitterness, refreshing taste; (4) Wide adaptability: simple cultivation, strong regeneration ability, it is a new type of leafy vegetables suitable for green production substitute.
[0026] For the high-yield sweet potato Ningcaishu No. 2 for stem-tip leafy vegetables, a formula an...
Embodiment 3
[0036] Fushu 7-6 was bred by the Crops Institute of Fujian Academy of Agricultural Sciences in 2003 through the "Baisheng" project group. The leaves are heart-shaped, and the top leaves, leaf color, vein color and petiole are all green. Short vines, green stems, lavender base, 10 base branches, semi-erect plant type, yield 74.4kg / time for leafy vegetable shoot tips per mu. Fresh stems and leaves (fresh basis) Vc content 14.87mg / 100g, crude protein (drying basis) 30.8%, crude fat (drying basis) 5.6%, crude fiber (drying basis) 14.2%, water-soluble total sugar (fresh basis) 0.06%. The plant type, leaf shape, color, growth and taste of Fushu 7-6 are very similar to fungus, and the color, aroma and taste of the stem tip are good after ripening.
[0037] For the sweet potato Fushu 7-6 for fungus-type stem-tip and leafy vegetables, a formula and method of hydroponic nutrient solution for sweet potato for Fushu 7-6 winter greenhouse stem-tip vegetables are provided, which is highly...
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