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Why the yield of Pleurotus ostreatus is getting lower and lower?
Recently, many growers have called to consult: why is the production of Pleurotus ostreatus getting lower and lower? It's a lot worse than a few years ago. For this reason, the author conducted an investigation and found that there are the following problems: most of the growers are cultivated in the greenhouse year after year with serious environmental pollution, and the deterioration of environmental conditions and incomplete disinfection are the main reasons for the reduction of Pleurotus ostreatus production. According to the test, the base of miscellaneous bacteria in the new site is 63.95 per square meter, 95% of bacteria, and 150 colonies per square meter. At the end of the first cultivation, the number of miscellaneous bacteria will be 20 times higher than before.
2019-01-16 -
The record of average yield per mu of rice in China is getting lower and lower.
The record of average yield per mu of rice in China is getting lower and lower.
2019-02-22 -
Under the pressure of storage and discharge, the price of corn is getting lower and lower.
Recently, the Ministry of Agriculture held a forum on agricultural structure adjustment in the four northeastern provinces in Changchun City, Jilin Province, specifically requiring the four northeastern provinces to reduce the planting area of corn. The author believes that since 2008, the bull market feast of rising corn production and prices caused by temporary storage acquisitions will
2016-01-10 Temporary storage venting pressure big corn price step by step low recently -
In summer, you are afraid of getting hot, eating these wild vegetables, clearing heat, detoxification, lowering blood pressure, treating all kinds of lithiasis, and so on. How many do you know?
70% of fossil herbaceous stones in the human body is water, the quality of water is directly related to the health of the body, its diuresis, swelling fossils, slightly cold, taste sweet and bitter, heat and dehumidification, anti-inflammatory and detoxification effect, with diuresis, because.
2018-06-13 -
When women get older, they should eat more of these wild vegetables, which can calm the mind, resist aging, lower cholesterol, help digestion and so on.
The flower of cauliflower has the effect of invigorating the stomach, dredging milk and tonifying blood, and those who are insufficient in milk secretion during lactation can play the role of dredging milk; the root has the effect of diuresis and detumescence, which can be used to treat edema and adverse urination; leaves are calming.
2018-06-08 -
When is the best time for Bitter Melon Juice of "clearing away heat and detoxification" to drink? What are the effects and effects? Can you get rid of acne and lower blood sugar?
Balsam pear in summer is the best vegetable for heat-clearing and detoxification, balsam pear is rich in vitamin B, C, calcium, iron, etc., and balsam pear has a lot of nutrition after being squeezed into juice, so when is Bitter Melon Juice best to drink? What are the effects and effects? Can you get rid of acne? According to the study,
2020-11-09 " heat-clearing and detoxification balsam pear juice when drink it's best -
How to manage trellis grapes in summer?
How to manage trellis grapes in summer? Please introduce the management method hedge grape in summer can refer to the following methods for management: 1. Wipe buds and shoots: erase the lower weak shoots, keep an appropriate amount of the lower buds and shoots, and do not leave the upper strong shoots, otherwise the resulting part is very easy to move up. two。 Amount of tip retention: control the amount of tip retention.
2018-07-19 -
How does a rich bamboo reproduce?
Bamboo can not only be cultivated in soil, but also in water culture. But whether in soil culture or hydroponics, we first have to get the seedlings of rich bamboo. Therefore, we must master the reproduction method of Fugui Bamboo. So, how does a rich bamboo reproduce? In fact, we can achieve this by adopting cuttage methods.
2019-06-05 -
Get rid of the misunderstanding of foliar fertilizer spraying
Get rid of the misunderstanding of foliar fertilizer spraying
2018-07-01 -
The latest watering principles of vegetables in greenhouse in winter
After the beginning of winter, the temperature is getting lower and lower day by day. After watering, many vegetable farmers find that the leaves of vegetables gradually turn yellow, and some vegetables even stagnate or even die. So how to water the vegetables in the shed in winter? Let's take a look at the detailed introduction. 1. Clear the sky
2020-11-10 The latest winter shed vegetables watering principle after winter -
First of all, consider choosing the golden floor. No, living on the 4th or 6th floor is the richest.
Nowadays, the pace of life is getting faster and faster, away from home, it is not uncommon to go out to work, but the problem of housing is a nightmare in the hearts of almost every worker. Now that house prices are soaring, it is really not to be able to buy a house.
2018-08-18 -
How can the implementation of the cotton direct subsidy policy get the most subsidies?
Li Guoxiang, a researcher at the Chinese Academy of Social Sciences and a famous scholar on agriculture, rural areas and farmers, suggested that cotton should not be sold centrally, regardless of whether it is cotton farmers in Xinjiang or in the mainland, on the premise that the state has subsidies for farmers. Cotton direct subsidy
2016-03-20 Cotton direct subsidy policy implementation how ability get the most -
Analysis and Countermeasures of hypoxia in cultured Fish
Hypoxia refers to the state in which the internal tissues and cells of fish do not get enough oxygen to maintain their normal function. In order to distinguish from hypoxia in water, it can be called "biological hypoxia" or "tissue hypoxia". Asphyxia (dyspnea) is a phenomenon that occurs during biological hypoxia, and floating head is a common manifestation of dyspnea or asphyxia in aquaculture production. There are two cases of anoxic asphyxia in fish: one is that when the dissolved oxygen in the water is insufficient and the air pressure is too low, even if the respiratory function of the fish is normal, the tissues and cells in the body can not get enough oxygen, resulting in "anaerobic hypoxia";
2019-01-16 -
Pay attention to fishing pond fish in winter
Winter is a favorable time for pond fish fishing and listing, but winter fishing is also a potential factor to induce fish disease in the second year. Therefore, when fishing in winter, we must be careful to avoid damage to the fish as far as possible, so as to reduce the occurrence of fish diseases and improve the economic benefits of pond fish. 1. Remove sundries from the fish pond before fishing. The wooden piles, uncleaned rocks and water plants such as water hyacinth and water peanuts on the surface of the pond will affect the normal trawl. in order to catch winter smoothly and safely, we must remove them before catching them.
2019-01-16 -
How to apply potash fertilizer to grow vegetables
How to apply potash fertilizer to grow vegetables? We should pay attention to what potassium is one of the three elements of fertilizer. Many vegetables often need more potassium than nitrogen and phosphorus. The potassium content of well-growing vegetables is 2.5% of dry matter, which is higher than that of nitrogen and phosphorus. Most vegetables absorb more potassium than nitrogen, such as cucumber.
2018-07-15 -
The reason for the yellowing of the lower leaves of Cymbidium is here, which is the key to raising Cymbidium in summer.
A leaf under the gentleman orchid is yellow and abnormal. What's the matter? After taking a look at your picture, the leaves at the bottom of this gentleman orchid turn yellow, which is a normal degradation of old leaves. It is also a sign of undernourishment in summer.
2018-08-16 -
Orchids like to get wet. Is it better to get as wet as possible?
Orchids like to get wet. Is it better to get as wet as possible?
2018-04-30 -
The efficacy and function of Chinese Yam
Slow down the speed of aging: yam can slow down the speed at which the body ages. Lower blood pressure: the body can lower blood pressure by using its amylase and mucus protein. Prevent cardiovascular disease: its vitamins and mucus proteins can reduce the occurrence of blood deposits in blood vessels. Tonifying the lungs and relieving cough: eating it can play the role of moistening and benefiting the lungs.
2018-06-12 -
Do you know? Raising succulent plants can make you 10 years younger.
Many children's shoes are succulent, they are cute and cute, and we can always be cured from succulent bodies. However, the benefits of raising succulent plants are far more than these! Succulent plants even have the magic of turning back time, according to a new study by British scientists.
2018-08-06 -
The method of Cuttage Propagation of Chimonanthus orientalis
The tooth-edge bell flower is a deciduous shrub or small tree, the difficulty of artificial cultivation is not very high, it is very suitable for decorative flowers for flower rack and desk. The bell flower with tooth edge can be inserted with clear water, and it is also very beautiful. Artificial propagation of Chimonanthus orientalis mainly uses cutting propagation method.
2018-07-02