澳门永利触手可及的

        Corn root fertilizer "six points "-澳门永利触手可及的

        Date:2012-09-28 11:28

        Corn root fertilizer has the advantages of quick effect, high utilization rate, convenient application, saving fertilizer etc.. In addition to fixed by soil formation of insoluble material of iron, zinc, manganese and other trace elements, can be difficult to corn root uptake, prone to deficiency. Fertilizer must be scientific and reasonable, we must grasp the following tips:
        One, should be appropriate to urea, potassium dihydrogen phosphate fertilizer, superphosphate, potassium sulfate, plant ash leaching solution and some fertilizer for foliage dressing effect is good, and the chlorine ion, volatile and difficult soluble fertilizer such as ammonium carbonate, ammonium chloride, calcium magnesium phosphate fertilizer use for root.
        Two, spraying the appropriate concentration of foliage dressing suitable concentration of urea, potassium dihydrogen phosphate as: 0.5%-2% 0.3%-0.5% 0.2%-9.3%, ammonium sulfate, ammonium molybdate, zinc sulfate, borax 0.01% 0.1%-0.2% 0.1%-0.4%. At the same time as root and spraying fertilizer can also join 10% ash water, 10% manure liquid, 10%-20% rabbit dung or urine liquid decomposition, also has the obvious yield increasing effect.
        In three, the spraying liquid volume to the full, not too small number of top dressing fertilizer solution will be from the foliage to shed but not shed is best. General mu of fertilizer solution 45 kg. Even with 1% urea solution, the Mu dosage but 2 kg urea, continuous spray 2-3 times, interval of 7-10 days.
        Four, to select the spraying time of foliage dressing in humid weather as well, guarantee of leaf wetness 30-60 minutes. In the morning 10 when before and after 5 p.m. still cloudy day spraying, spraying. Root and spraying fertilizer should avoid midday hot stage, the leaf keep longer wet state, increase nutrient uptake.
        Five, selection of key period, proper part of corn in the flowering filling period spraying, when something goes off and also timely spraying fertilizer condition. Should be the focus of spraying in corn leaves and stems, to both sides to predominantly frontal jet. Spraying to fine, no leakage, heavy spray spray.
        Six, pay attention to the reasonable mix, the activator is added to two or more than two kinds of fertilizer spraying mixture can improve efficiency, fertilizer and pesticides mixture can also improve work efficiency. But should notice is not alkaline and acid and the reaction will occur fertilizers pesticides mixture. And the attention of fertilizer by adding a small amount of active agent ( can add a small amount of washing powder ), to reduce the surface tension of liquid fertilizer, liquid fertilizer and leaves increased contact area, improve the spraying effect.

        TypeInfo:-澳门永利触手可及的 Common sense

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