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1 tending management of green bamboo shoots
1.1 Offer to open the topsoil of each bamboo cluster from the end of February to mid-March to expose the bamboo poles and bamboo shoots, so that all shoots will be exposed to the sunlight, the use of light to stimulate sprouting of the shoots, and the promotion of early shoots and multiple shots .
1.2 After the scientific fertilization is offered, after 3 to 5 days, fertilization in the rhizosphere can be performed to promote the production of bamboo shoots. Spring fertilization, available for human excrement or compost compost, fertilize once every 10 to 15 days, and promote the high yield of bamboo shoots. For chemical fertilizers, the ratio of nitrogen, phosphorus, and potassium is 5:4:3, and the total amount of fertilization per cluster is about 1.6kg per year. Regardless of compost or chemical fertilizer, circular fertilization method is used, that is, about 1m away from the center of the bamboo plant, a shallow ditch with a depth of about 10cm is dug, and the fertilizer is evenly spread in the ditch. Summer fertilization is generally combined with the treatment of bamboo shoots and bamboo shoots, and fertilization in winter is often combined with cultivating and weeding. The proportion of fertilizer used in winter, spring and summer is 5:3:2.
1.3 Timely cultivation of bamboo shoots When the shoots grow slowly and bulge, forming a small bamboo shoot, and there is a crack, when the guinea pig's liver guilt appears, the 30cm soil can be covered with bamboo shoots, so that sprouting shoots in the The light grows in the dark soil to cultivate bamboo shoots with tender fibers, abundant bamboo shoots, and large and plump bodies. The depth of soil cultivation depends on the growth condition of the bamboo plexus. The strong growth potential should be 30cm deeper on the tail of the head. If the soil temperature is too deep, the temperature of the soil will be reduced. Instead, the sprouting of the shoots will be inhibited; the growth potential should be weak.
1.4 Shooting of bamboo shoots The bamboo shoots left after cutting bamboo shoots before June and after September can be sealed immediately. The bamboo shoots left by cutting bamboo shoots between July and August are often mucinous due to the strong secretion of bamboo juice from the wounds. Exposure to wounds is required. It takes 3 to 5 days in sunny days and 5 to 7 days in cloudy days. The wound fluid is usually coagulated. Slightly dry to seal the soil. Sealing the soil prematurely will often cause the wound to rot and spread other shoots, which inevitably will affect the normal growth of shoots.
1.5 The irrigation bamboo garden should be built in a place with sufficient water and good irrigation conditions. During the period of cutting bamboo shoots, if it does not rain for 6 to 7 days, it should be watered in time to keep the soil moist, so as to ensure the high yield of bamboo shoots; in case of drought, irrigation is not timely, which not only affects the yield of bamboo shoots, but also affects the quality of bamboo shoots.
2 picking bamboos to stay mother technology
2.1 Shooting Technology
2.1.1 Harvesting standards: When the end of the bamboo shoots are "Hi-tailed" bifurcation, it is the most suitable harvesting period. If the tip of a bamboo shoot is pointed and immature, it should be covered with soil and the bamboo shoots should be too shallow. Cover to maintain quality.
2.1.2 cutting bamboo shoots method: According to the bamboo plexus cracks on the ground or along the branches of bamboo shoots straight down to find bamboo shoots. First, the soil around the bamboo shoots was opened to a certain depth, and the bamboo shoots were cut off after the bamboo shoots were exposed. The section of the cutting position must be kept as parallel as the tiller section, but it must not be crossed, and it should not be inclined to ensure the normal growth and development of the remaining shoots. For early mature shoots that are not fully ripened, they are cut at the first tiller. For fully mature shoots, they can be cut at the third tiller, which means that it is a late cut. Early harvesting can guarantee the quality and quantity of bamboo shoots, but the germination power of the remaining bamboo shoots has been completely destroyed. Late cutting can only ensure the quality of bamboo shoots, but it cannot guarantee the quantity, but the remaining bamboo shoots retain the first and second branch Each pair of bamboo shoots has a basis for bamboo shoot reproduction. There are advantages and disadvantages to early cutting and later cutting, and it is usually advisable to mix them so as to ensure long-term production and high yield.
2.2 Mother bamboo retention technology The retention of mother bamboo is for good harvest in the coming year. Mother bamboo time should be selected in the middle of making bamboo shoots (generally before the white dew), the mother bamboo shoot buds are kept in the base shoots, and keep the appropriate distance between the bamboo, generally should be 30 ~ 50cm.
3 Destruction and renewal The age of the bamboo groves is maintained at a reasonable density through retention and deforestation to ensure the continued high yield of the bamboo groves. In general, 12 to 14 strains of bamboo are kept per plexus, 1 instar: 2 instar: 3 instar ratio is 1:1:1, and the time of cutting is December and the first half of February to the middle of March.
Main Technical Measures for High-yield Cultivation of Green Bamboo Shoots
Green bamboo shoots, also known as "horseshoe shoots," are excellent edible bamboo shoots in the South Asian subtropics. Its flesh is soft, crisp and refreshing, delicious and nutritious. Cool, rich in trace elements such as tyrosine and selenium, selenium, etc., with hypolipidemic and lipid-lowering, diuretic phlegm, relieve heat, solution anti-cancer anti-cancer effect, is an ideal health product and pure natural green food, deep By the majority of consumers. Jiangxi Wujiyuan Food Co., Ltd. introduced green bamboo shoots of 15hm2 in 2004 and produced green bamboo shoots in 2006. In 2007, it entered a period of abundant production, producing fresh bamboo shoots of 184,400kg and an average yield of 820kg of 667m2. The main technologies are as follows: