-
How do you judge whether phosphate fertilizer is good or bad? Here are a few practical identification methods
Topdressing with foliar fertilizer is one of the most commonly used, economical and fast-acting fertilization methods in vegetable cultivation. It involves mixing fertilizer into an aqueous solution of a certain concentration and spraying it directly onto crop leaves to make up for the insufficient nutrient supply caused by the weak nutrient uptake capacity of the roots. Extensive application has shown that topdressing with foliar fertilizer can improve vegetable yield and quality,...
-
What methods are there for identifying potassium fertilizers? Understand potassium fertilizer identification in one article
How is water-soluble topdressing fertilizer used in greenhouses? What methods can be referenced? First, combine topdressing with water-soluble topdressing fertilizer and select high-quality fertilizers, mainly multi-element compound fertilizers, using a combination of topdressing and water-soluble application. This can both solve the problem of nutrient needs of surface roots and, through topdressing, activate the soil layer, increase root vitality, and slow...
-
How to identify potassium sulfate? Practical identification methods you can learn
How to identify potassium sulfate? Please explain the identification methods. The identification methods for potassium sulfate can refer to the following: First, look at the appearance. Potassium sulfate is in crystalline form. Second, look at the color. Potassium sulfate is generally white, and some is grayish-yellow, grayish-green or light brown. Third, observe hygroscopicity. Potassium sulfate is basically non-hygroscopic...
-
How to identify the quality of compound fertilizer? Teach you a few practical identification methods
How to identify the quality of compound fertilizer? Please give an introduction to the identification methods. To identify the quality of compound fertilizer, you can refer to the following methods: check the outer packaging. The outer packaging of products from regular manufacturers is relatively standard, printed with the product name, trademark, national standard, production license number, the common NPK ratio of compound fertilizer, total nutrient content, net...
-
What types of fertilizer registration certificates are there? A detailed classification guide
What fertilizer registration certificates are there? What are the differences? We ask knowledgeable readers to help explain. Fertilizer registration certificates are generally divided into temporary registration certificates, formal registration, and filing registration. Zhongdi Network provides a detailed introduction below for readers' reference. Introduction to temporary fertilizer registration certificates: A temporary registration certificate is for fertilizer products that, after field trials...
条件筛选