Quick land selection method for panax notoginseng planting areas
A Panax notoginseng and regional technology, which is applied in the field of rapid land selection in Panax notoginseng planting areas, can solve the problems of the scientific evaluation system of Panax notoginseng planting land selection and the difficulty of land selection for Panax notoginseng planting, so as to reduce planting risks, ensure yield and quality, The effect of reducing the difficulty of field management
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Embodiment 1
[0030] Including the following steps:
[0031] Step 1: Screening of alder indications: Find plots with good alder growth, take soil samples to dry and weigh to obtain the original dry weight of the soil samples, burn the soil samples at 400 degrees Celsius for 4 hours, weigh the burnt The weight of the soil sample after burning, the ratio of the weight difference before and after burning of the soil sample to the original dry weight of the soil sample is the soil organic matter content, and the plot of the soil sample with the soil organic matter content of 20% to 25% is selected to obtain Class A Lot;
[0032] Step 2: Screening of wood sorrel indications: Exclude the plots where wood sorrel grows from the Class A plots selected in the previous step to obtain Class B plots. The soil of Class B plots should have good permeability and It is characterized by aggregate structure, and the soil bulk density is 0.7g / cm 3 , the powder-to-viscosity ratio is 0.6, and the pH value is 6...
Embodiment 2
[0039] Including the following steps:
[0040] Step 1: Screening of alder indications: Find plots with good alder growth, take soil samples to dry and weigh to obtain the original dry weight of the soil samples, burn the soil samples at 300 degrees Celsius for 3 hours, weigh the burnt The weight of the soil sample after burning, the ratio of the weight difference before and after burning of the soil sample to the original dry weight of the soil sample is the soil organic matter content, and the plot of the soil sample with a soil organic matter content of 15% to 20% is selected to obtain Class A Lot;
[0041] Step 2: Screening of wood sorrel indications: Exclude the plots where wood sorrel grows from the Class A plots selected in the previous step to obtain Class B plots. The soil of Class B plots should have good permeability and It is characterized by aggregate structure, and the soil bulk density is 0.6g / cm 3 , the powder-to-viscosity ratio is 0.5, and the pH value is 5.5...
Embodiment 3
[0047] Including the following steps:
[0048] Step 1: Screening of alder indications: Find plots with good alder growth conditions, take soil samples to dry and weigh to obtain the original dry weight of the soil samples, burn the soil samples at 500 degrees Celsius for 5 hours, weigh the burnt The weight of the soil sample after burning, the ratio of the weight difference before and after burning of the soil sample to the original dry weight of the soil sample is the soil organic matter content, and the plot of the soil sample with a soil organic matter content of 25% to 30% is selected to obtain Class A Lot;
[0049] Step 2: Screening of wood sorrel indications: Exclude the plots where wood sorrel grows from the Class A plots selected in the previous step to obtain Class B plots. The soil of Class B plots should have good permeability and It is characterized by aggregate structure, and the soil bulk density is 0.8g / cm 3 , the powder-to-viscosity ratio is 0.8, and the pH v...
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