Special disease-preventing and yield-increasing selenium-enriched leaf surface-absorbed nutrient solution for tea leaves and preparation method thereof

Abstract

A special disease-preventing and yield-increasing selenium-enriched leaf surface-absorbed nutrient solution for tea leaves comprises the following raw materials in percent by weight: 0.82% of organicselenium, 2.15% of humic acid, 9.21% of urea, 3.55% of potassium dihydrogen phosphate, 0.62% of potassium sulfate, 0.66% of calcium peroxide, 0.61% of silicon dioxide, 0.31% of magnesium sulfate, 0.21% of ferrous sulfate, 0.47% of zinc sulfate, 0.54% of boron, 0.11% of ammonium molybdate, 0.36% of manntiol-Ca, 0.47% of amino oligosaccharin, 0.73% of methionine, 0.95% of aluminum magnesium silicate, 0.17% of clay, 0.22% of citric acid, 0.08% of xylitol, 0.21% of xanthan gum, 0.33% of houttuynia, 0.25% of dandelion, 0.3% of purslane, 0.27% of verbena, 0.18% of radix euphorbiae lantu and the balance of water. The special nutrient solution enhances photosynthesis of the tea leaves, can significantly prevent common diseases, increases the yield, facilitates to market the tea leaves in advance by 7-10 days, significantly increases the contents of selenium, tea polyphenols, tea pigments, tea polysaccharides and the like in the tea leaves, fully activates a YNA active factor, effectively degrades various harmful substances and repairs phenomena of pesticide damage and fertilizer damage.

Description

technical field [0001] The invention relates to the field of agricultural auxiliaries, in particular to a selenium-enriched leaf-absorbing nutrient solution specially used for tea disease prevention and production increase and a preparation method thereof. Background technique [0002] Fertilizers play an indispensable role in agricultural production. At the same time, a large amount of fertilizers also have a serious impact on the environment. The low utilization rate of fertilizers, the imbalance of fertilizer nutrient ratio and the difference in release frequency lead to waste and pollution of fertilizers. Not only does it have a direct impact on the soil of the planting site, but it also has a terrible impact on the water body when it is lost to the lake due to the flow of water. This also makes foliar fertilizer more and more people's attention. Liquid fertilizer can directly act on the leaves of crops. , stems and other parts are absorbed through the pores on the surfa...

AI Technical Summary

Problems solved by technology

[0003] The use of foliar fertilizers can prevent the fixation of nutrients in the soil, and there is no loss or reduction of effectiveness and utilization due to soil denitrification, leaching, etc., but the way leaves absorb foliar fertilizers is similar to the root system, mainly through leaves The stomata on the surface absorb and enter the mesophyll cells, and then penetrate into the cuticle and cellulose wall of the leaf surface through free diffusion. The absorption speed is slightly slower than the drying speed of the liquid surface fertilizer on the leaf surface. Generally, the nutrient absorption of fruit trees When the speed reaches 50%, it is generally 1-12 hours, and sometimes it takes several days for vegetable crops. However, the outermost layer of the epidermal tissue of the leaves is waxy, which has a hydrophobic effect, which is not conducive to the attachment of foliar fertilizers. The effect of surface tension makes it difficult to pass through the fine stomata of leaves, so how to improve the adsorption effect of foliar fertilizer on the leaf surface and reduce the surface tension of foliar fertilizer is a key issue