Shoots often appear bamboo shoots discoloration, deformity, hollow, cracking, bitterness, hardening, rust, scattered head and other products become inferior or other foreign goods, reduce production output value.
First, the discoloration of white asparagus is mainly due to light stems due to light, and soil texture, humidity, temperature and loose soil, soil tightness related. The sandy soil and viscous heavy land blocks change color; the soil temperature is high, drought, soil loosening, the freshness of the stems is poor, and the discoloration is heavy; after the bamboo shoots are harvested, the light changes color. In order to prevent the discoloration of bamboo shoots, sandy loam or loam soil should be used for cultivation. The management should be fine, so that the soil is finely and evenly loosened, the water content is moderate, and the soil is loose and uniform.
Second, the malformed bamboo shoots are mainly due to improper fertilization, soil viscosity, and excessive dust (clumps). When the stems are pumped, they are subject to insect pests, uneven soil elasticity, and bricks and stones in the soil. Countermeasures.
Third, hollow bamboo shoots due to partial application of nitrogen fertilizer, lack of phosphorus and potassium fertilizers, less storage of nutrients underground stems, stems due to lack of nutrients and hollow.
Fourth, the cracking of the stem is also called bursting. Due to the lack of phosphorus and potassium fertilizers in the soil, they encountered drought and suddenly watered or rained. Attention should be given to increasing the application of phosphorus and potassium fertilizers. During the harvesting period, the supply of soil moisture should be ensured to prevent it from drying out. Severely burst land can be used with 1kg of brine (salt) per 667m2, 500 times more water, and can also be diluted with a mixed solution of water and salt in marinated vegetables and other meats in a mixture of water and seasoning (agent). .
Fifth, the bitter taste of bamboo shoots is related to plant age, temperature, moisture, fertilizer, and soil conditions. Older plants usually suffer from severe bitterness at high temperatures and droughts or waterlogging, partial application of low-nitrogen-phosphorus-potassium, soil viscous heavy consolidation, and soil acidity. In addition, the tender stems are harmed by pests and diseases. When the green shoots are dehydrated and wilted during storage, the bitterness can be aggravated.
6. Hardening is also called aging. The tender stems of old plants or debilitated plants are susceptible to lignification. High temperature and drought, lack of oxygen can cause hardening; pests and diseases are serious, hardening is serious; harvesting is not timely or storage and transportation time is too long, serious water loss, hardening is also serious. The management should be strengthened to ensure the supply of fertilizer and water, prevent disease, disinfestation and weeding in time to encourage vigorous plant growth, timely harvesting, shading and moisturizing after harvest, and timely delivery or delivery to processing plants.
7. The rust spot soil is too wet or poorly drained. The application of unfermented manure before harvesting will cause a large number of pathogenic Fusarium to occur in the soil, infect the tender stems and cause rust spots. It is strictly forbidden to apply organic fertilizer before culturing, and to prevent excessive soil moisture or water accumulation during shoot production and to strictly control watering techniques.
Eight, scattered head mainly refers to the loose top of the stem scales, so that the quality is reduced. High temperature and drought, plant senescence, pumping stems scattered head serious. To strengthen the management of water and fertilizer, to promote robust growth of plants, accumulation of adequate nutrients, so that the next year when the tender stems when the top scales tight packing is not easy to loose. In addition, varieties that are not easily dissipated should be used.
First, the discoloration of white asparagus is mainly due to light stems due to light, and soil texture, humidity, temperature and loose soil, soil tightness related. The sandy soil and viscous heavy land blocks change color; the soil temperature is high, drought, soil loosening, the freshness of the stems is poor, and the discoloration is heavy; after the bamboo shoots are harvested, the light changes color. In order to prevent the discoloration of bamboo shoots, sandy loam or loam soil should be used for cultivation. The management should be fine, so that the soil is finely and evenly loosened, the water content is moderate, and the soil is loose and uniform.
Second, the malformed bamboo shoots are mainly due to improper fertilization, soil viscosity, and excessive dust (clumps). When the stems are pumped, they are subject to insect pests, uneven soil elasticity, and bricks and stones in the soil. Countermeasures.
Third, hollow bamboo shoots due to partial application of nitrogen fertilizer, lack of phosphorus and potassium fertilizers, less storage of nutrients underground stems, stems due to lack of nutrients and hollow.
Fourth, the cracking of the stem is also called bursting. Due to the lack of phosphorus and potassium fertilizers in the soil, they encountered drought and suddenly watered or rained. Attention should be given to increasing the application of phosphorus and potassium fertilizers. During the harvesting period, the supply of soil moisture should be ensured to prevent it from drying out. Severely burst land can be used with 1kg of brine (salt) per 667m2, 500 times more water, and can also be diluted with a mixed solution of water and salt in marinated vegetables and other meats in a mixture of water and seasoning (agent). .
Fifth, the bitter taste of bamboo shoots is related to plant age, temperature, moisture, fertilizer, and soil conditions. Older plants usually suffer from severe bitterness at high temperatures and droughts or waterlogging, partial application of low-nitrogen-phosphorus-potassium, soil viscous heavy consolidation, and soil acidity. In addition, the tender stems are harmed by pests and diseases. When the green shoots are dehydrated and wilted during storage, the bitterness can be aggravated.
6. Hardening is also called aging. The tender stems of old plants or debilitated plants are susceptible to lignification. High temperature and drought, lack of oxygen can cause hardening; pests and diseases are serious, hardening is serious; harvesting is not timely or storage and transportation time is too long, serious water loss, hardening is also serious. The management should be strengthened to ensure the supply of fertilizer and water, prevent disease, disinfestation and weeding in time to encourage vigorous plant growth, timely harvesting, shading and moisturizing after harvest, and timely delivery or delivery to processing plants.
7. The rust spot soil is too wet or poorly drained. The application of unfermented manure before harvesting will cause a large number of pathogenic Fusarium to occur in the soil, infect the tender stems and cause rust spots. It is strictly forbidden to apply organic fertilizer before culturing, and to prevent excessive soil moisture or water accumulation during shoot production and to strictly control watering techniques.
Eight, scattered head mainly refers to the loose top of the stem scales, so that the quality is reduced. High temperature and drought, plant senescence, pumping stems scattered head serious. To strengthen the management of water and fertilizer, to promote robust growth of plants, accumulation of adequate nutrients, so that the next year when the tender stems when the top scales tight packing is not easy to loose. In addition, varieties that are not easily dissipated should be used.
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