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5 common taboos in fertilizer use that agricultural production must avoid
5 common fertilizer application taboos in agricultural production
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Ten things to avoid when fertilizing greenhouse vegetables in winter, growers must keep in mind
Ten things to avoid when fertilizing greenhouse vegetables in winter
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Foliar fertilizer is not the same as pesticide; the difference between the two must be clearly distinguished
I. Why are medium-element water-soluble fertilizers used for fertilizing fruit trees? 1. The soil is not lacking in calcium fertilizer; what is lacking is mobile ionic calcium, so when choosing fertilizer, be sure to choose a calcium fertilizer that dissolves quickly in water. Research shows that crops such as ginger, watermelon, chili pepper, eggplant, tomato, and grape absorb calcium far...
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Chemical fertilizers must be applied with care: ten major taboos to avoid
Fertilizer is the "food" of vegetables. Apart from carbon, hydrogen and oxygen, the 13 nutrient elements are all supplied by the soil, and applying base fertilizer is an important measure for replenishing soil nutrients. At present, the types of fertilizers used on vegetables are broadly divided into three categories: organic fertilizers (farmyard manure), inorganic fertilizers (chemical fertilizers) and microbial fertilizers (biological bacterial fertilizers)...
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Which fertilizers cannot be applied by flushing? Fertilization taboos every grower must know
Flush fertilization is widely used on greenhouse and open-field vegetables, mainly for topdressing during the vigorous growth period of vegetables. But not all fertilizers can be applied by flushing; only water-soluble fertilizers can be applied by flushing with water. For nitrogen fertilizers, urea, ammonia water, ammonium sulfate and ammonium nitrate are commonly used; for potassium fertilizers, potassium chloride and potassium sulfate are commonly used, and potassium nitrate can also be used for flush...
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Foliar fertilizer application must be tailored to the specific problem
The effectiveness of phosphate fertilizer application depends both on the total amount of available phosphorus in the soil and on the soil properties; for example, some soils can promote the dissolution of sparingly soluble phosphates, while other soils can cause the fixation of soluble phosphates. Generally, after phosphate fertilizer is applied to the soil, it quickly combines with iron, calcium and aluminum in the soil...
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How to apply foliar fertilizer to grapevines? These techniques must be mastered
Spraying grapevines with foliar fertilizer gives the leaves a wide fertilizer-receiving surface, acts quickly, saves labor and fertilizer, and is a commonly used fertilization method for grapes. Generally, absorption begins 2 hours after the fertilizer solution is sprayed, and 88% of a urea solution can be absorbed within 24 hours after spraying. Spraying 0.2%-0.3% urea solution mixed with 0.1% boric acid or borax or multi-element boron fertilizer during the flowering period can...
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Why must potassium fertilizer be applied for watermelons to be sweet?
According to surveys, according to surveys, the problem of imbalanced nitrogen, phosphorus, and potassium content ratios in current watermelon field soil is relatively prominent. Watermelon is a crop that needs potassium. Increasing potassium fertilizer application can raise the sugar content of the fruit. When applying potassium fertilizer to watermelons, generally 12-18 kg of potassium sulfate can be applied per mu, that is, 2-3 kg per mu as base fertilizer, 6-8 kg as topdressing at the seedling stage, ...
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Why must farmyard manure be composted before it can be applied?
Why must farmyard manure be composted before it can be applied? Please provide an introduction and composting methods. Many farmers have asked why farmyard manure needs to be composted before it can be applied. Therefore, Zhongdi Network has compiled the harms of applying uncomposted farmyard manure and the operating methods for composting. The following is a detailed list for netizens' reference. Farmyard...
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