ИСТИНА |
Войти в систему Регистрация |
|
ИСТИНА ИНХС РАН |
||
Watering chernozem with high norms of manure drains leads to profound changes in the qualitative composition of organic matter, which do not disappear after 1-2 seasons: the proportion of fraction I increases, fulvic acids are washed out, and the optical density of humic acids of fraction I and II increases
№ | Имя | Описание | Имя файла | Размер | Добавлен |
---|---|---|---|---|---|
1. | sertifikatA4nikiforova2.pdf | sertifikatA4nikiforova2.pdf | 863,2 КБ | 15 ноября 2019 [Akefir] |