Applying potassium to garlic has high yield and good quality.
Potassium is a necessary nutrient element for crop growth, and its effect on increasing crop yield and improving the quality of agricultural products has been confirmed in many crops, but there are few reports on the effect of potassium on the yield and quality of garlic. The soil and Fertilizer Institute of Zhejiang Academy of Agricultural Sciences has proved that the application of potassium to garlic has high yield and good quality through two years' field experiment.
1. The results of field experiment on the effect of potassium application on garlic for two years showed that the application of potassium fertilizer could significantly increase the yield of garlic. Under the condition of equal nitrogen and phosphorus levels, the application of potash fertilizer can increase the yield by 60.0-237.3 kg per mu compared with that without potash fertilizer, with an increase of 17.3%-47.4%. The application of 1 kg potassium oxide can increase the yield of garlic by 4.67-23.7 kg. The benefit of applying potash fertilizer per mu is 157.0688.9 yuan, and the ratio of output to input is 1 ∶ 6.1 to 30.9. The effect of potassium fertilizer application is related to the ratio of nitrogen to potassium. When the ratio of nitrogen to potassium was 1 ∶ 0.5-1.0, the yield-increasing effect was the greatest. Under the level of 20 kg nitrogen per mu, adding 10 kg potassium oxide has a better benefit, and under the condition of 30 kg nitrogen per mu, adding 20 kg potassium oxide to increase the yield is higher.
two。 Effect of potassium application on garlic quality increasing potassium fertilizer can improve the appearance quality of garlic, increase the weight of single fruit, improve the market competitiveness of garlic, increase the total amount of soluble carbohydrates and amino acids in garlic; the content of arginine, the dominant amino acid, increased from 4.6% to 5.31%, and the nutritional quality of garlic was significantly improved.
3. The suitable amount of potash fertilizer is 20kg / mu of nitrogen and 10kg / mu of potassium oxide.
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The yield of garlic is high when applying biological fertilizer.
Planting garlic is easy to appear the phenomenon of leaf tip yellowing and leaf sagging, which weakens the growth potential, the leaf is thin and the stem is thin, and the yield decreases obviously. If we pay attention to the application of biological bacterial fertilizer in the process of garlic growth and development, use the beneficial microorganisms in biological bacterial fertilizer to decompose the toxic and harmful substances in the soil and the nutrient elements fixed in the soil, and secrete growth hormone to stimulate the growth of garlic, garlic will not appear yellowing phenomenon, will be green stems and leaves, and the yield will be significantly increased. The specific measures are as follows: during the growth and development of garlic, the root is every 15 to 20 days.
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How to manage garlic growing period
Garlic growth management, especially after the green period, is directly related to garlic yield and quality. 1. The management of returning green period In late February, the weather is getting warmer, the seedlings return green, the lower part begins to grow adventitious roots, garlic sprouts and garlic heads begin to differentiate, then ensure the healthy growth of seedlings, accumulate more nutrients for the differentiation of garlic sprouts and garlic heads, which is the key to high quality and high yield of garlic. According to the results of the second soil survey in the whole province, the continuous cropping in garlic producing areas in our province makes the trace elements (Fe, Cu, Mn, Zn, Mg, Mo, B, Co, etc.) and Ca in the soil
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