国产美女免费流白浆视频_中文字幕有码视频在线观看日韩一区二区三区_成人AⅤ国产在线视频_黄片不卡视频在线观看_国产GAYSEXCHINA男同MEN雷爷_另类小说第1页综合_亚洲AV无码专区国产乱码多波_麻豆国产在线视频区_亚洲精品成人电影_亚洲av男人天堂

Seed testing paper

- GVS offers non-toxic papers for use in the seed industry and agricultural research laboratories. Seed testing papers are made of cotton linters and/or pure cellulose; they do not contain any substances which could influence the growth of seeding. The pH range is between 6.0 and 7.5. Their special structure prevents fine seed roots from growing through the

paper.

- A broad weight range enables the seed technician to maintain the required moisture level for the whole duration of the germination test period. Our filter paper can be supplied in a variety of formats and is available in white and three shades of blue and yellow to make the evaluation of fine roots easier.

- Our papers comply with ISTA (International Seed Testing Association) and AOSA (Association for official seed analysis) requirements

Soil testing paper

- Soil analysis plays a crucial role in the evaluation of land’s capabilities for different forms of agriculture and determines the most suitable type and quantity of fertilizer to maximize crop production.

- To optimize plants growth, it is essential to determine the presence of nutrients and trace elements. An optimal filtration is the initial step to ensure rigorous and reliable results.

- For this purpose, GVS offers a high-purity range of products, specifically designed for gravimetric analysis of soil nutrients and sample preparation for instrumental analysis.