A kind of soilless green seedling raising method of rhubarb
A rhubarb and green technology, applied in the direction of soilless cultivation, horticultural methods, botanical equipment and methods, etc., can solve the problems of high soil occupation rate of rhubarb seedlings, affecting seedling yield and quality, and inability to obtain rhubarb seedlings, etc. , to increase the growth period and survival rate after transplanting, reduce seedling mortality, and achieve good heat preservation effects
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Embodiment 1
[0019] Embodiment 1: the comparative experiment of mixed matrix
[0020] In mid-May 2017, Tianjiahe Community, Wangzhuang Village, Biyan Town, Longxi County, Dingxi City, Gansu Province chose a flat land as a seedling test base.
[0021] 1) Make a mixed substrate: collect aboveground waste from rhubarb seedlings, astragalus seedlings, and potatoes, mainly the leaves and stems of the three plants, and dry them continuously at about 60 degrees Celsius. Afterwards, directly crush and sieve to keep particles of about 2 mm for subsequent use; then prepare mixed substrates according to the volume ratio of vermiculite: desulfurized cinder: waste particles in a volume ratio of 5:2.5:2.5;
[0022] 2) Making seedbeds: Build a 40cm-deep seedbed with vertical wooden boards inside the greenhouse, lay plastic sheets on the bottom, punch out round holes with a radius of 1 cm at intervals of 10 cm, and distribute them evenly. Regions, respectively perfuse the mixed matrix made in step 1), ea...
Embodiment 2
[0031]In mid-May 2018, Tianjiahe Community, Wangzhuang Village, Biyan Town, Longxi County, Dingxi City, Gansu Province chose a flat land as a seedling test base.
[0032] 1) Making seedbeds: Build a 40cm-deep seedbed with bricks inside the greenhouse, lay plastic sheets underneath, and drill circular holes with a radius of 1cm every 10cm, evenly distributed. The nursery pond was perfused with a mixture matrix of 2 mm vermiculite, 4 mm desulfurized cinder and astragalus waste particles (volume ratio 5:1:4), and the perfusion depth was 40 cm.
[0033] 2) Preparation of nutrient solution: The preparation method of the nutrient solution is as follows: add 0.5-0.8 grams of potassium nitrate, 0.0003-0.002 grams of boric acid powder, 0.5-0.8 grams of calcium nitrate, 0.0004-0.002 grams of manganese sulfate, and 0.2 grams of superphosphate in 1 liter of water. -0.9 grams, 0.0002-0.001 grams of zinc sulfate, 0.1-0.3 grams of magnesium sulfate, 0.0003-0.001 grams of copper sulfate, 0.1-...
Embodiment 3
[0039] In mid-June 2018, Tianjiahe Society, Wangzhuang Village, Biyan Town, Longxi County, Dingxi City, Gansu Province chose a flat land as a seedling test base.
[0040] 1) Making seedbeds: Build a 50cm-deep seedbed with bricks in the greenhouse, lay plastic sheets underneath, and punch out round holes with a radius of 1 cm every 10 cm, and distribute them evenly. The nursery pool was perfused with a mixture matrix of 4 mm vermiculite, 2 mm desulfurized cinder and astragalus waste particles (volume ratio 5:2:3), and the perfusion depth was 50 cm.
[0041] 2) Preparation of nutrient solution: The preparation method of the nutrient solution is as follows: add 0.5-0.8 grams of potassium nitrate, 0.0003-0.002 grams of boric acid powder, 0.5-0.8 grams of calcium nitrate, 0.0004-0.002 grams of manganese sulfate, and 0.2 grams of superphosphate in 1 liter of water. -0.9 grams, 0.0002-0.001 grams of zinc sulfate, 0.1-0.3 grams of magnesium sulfate, 0.0003-0.001 grams of copper sulfat...
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