Greenhouse cowpea wintering cultivation method

First, the rational dense planting of overwintering cowpeas due to the growing season in low temperature, low light environment, photosynthesis blocked, the plant itself is limited nutrition, so when planting must not be too dense to prevent the leaves from each other. Generally take 70 cm, 50 cm size ridge colonization, hole spacing 27 to 30 cm, 2 to 3 plants per hole, watering after planting, planing after covering the mulch.
Second, the field management to strengthen the winter coverage, insulation, enhance lighting, often cleaning the film, so that good light transmission, it is best to hang a light curtain in the shed. In the management of fertilizer and water, water should be kept as low as possible. Before the frame of cowpea beans is inserted and before the flowering of kidney beans, 15 kg of ammonium sulfate is applied by Mu. During the clams, fertilizer is topdressed once every 10 to 15 days, each time 15 to 20 kg of ammonium sulfate is applied. Conditional, after the flowering sunny day, 8 to 10 am every morning, top-dressing carbon dioxide gas fertilizer, appropriate ventilation after 2 hours. During the late growth period, the cowpea plants are senescent and the roots are aged. To prolong the scarring, fertilization can be performed with foliar fertilizer No. 1 or 0.2% potassium dihydrogen phosphate. After the pods are spread, the pods will be caught and hauled in time. Afterwards, the pods will be napped and wiped in time to prevent the leaves from blocking each other. When the plant height is 2 to 2.5 meters, the hearts will be picked in time to promote scab. Pay attention to knock down the old leaves after each harvest. The height of the main branch of dwarf kidney bean is 30 centimeters when picking the heart, which can promote its early drawing of the lateral branch, which is conducive to the growth of soybean meal and increase the rate of flowering and scarring.
Third, timely harvest pest control Cowpea harvested in a timely manner to prevent premature aging, usually 13 to 16 days after flowering can be harvested. The cultivation of kidney beans in greenhouses is due to poor ventilation and prone to rust. If the humidity in the booth is too high, select small winds at noon on sunny days to reduce the humidity. (Farmer)

    This classification summarizes the Feed Grade Spirulina Powder produced by our own factory in northwestern of China .     

    We have advanced equipment and strict quality control system to ensure the quality and production.


    The products under the classification are:

    1. Feed Grade Spiruina Powder .

    Various parameter specifications of our product:

    Naturland Certified ; CERES certified .
    EU & NOP standard ; Kosher & Halal Available .
    Low heavy metals & Micro Contents , Low & Stable PAH4 Level , 
    PAH4 value is less than 10 ppb .Low microorganismsNon-Irradiation , 
    Non GMO , Gluten Free , Allergen Free , Pesticides Free .
    Own Factory :  Manufacture in northwest of China . Legitimacy , Regularity , Cultural .
    Own Lab : Quality control and Product development . Strictly , Creativity , Responsibility .

    YIJIAN Company

    About Company
    Yanchi County Yijian Biotechnol Co.,Ltd
    was founded in Dec 2012 , 
    by Mr. Dezhi Zhang , 
    the legal representative of the company . 
    Company registered capital is 10 million RMB . 
    The main business sectors are culture , processing , internal sales , import and export trade of Organic Spirulina and Organic Chlorella products . 
    Yijian is known globally as one of the major suppliers of microalgae products across the world . 
    Annual production rate is 600 Mt . 
    Average annual sales income is around 5 million dollar .

Feed Grade Spirulina Powder

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