Agro ilm Ҷилди 127 № 6 (2026) · Саҳифаҳои 144-146
SUG‘ORILADIGAN OCH TUSLI BO‘Z VA O‘TLOQI-ALLYUVIAL TUPROQLARDA ALMASHINUVCHI KALIY DINAMIKASI VA PAXTA HOSILI
Ismayilov, Jumanazar, Ibragimov, Nazirbay, Tillabekov, Botir
Аннотатсия
The article presents the results of a study on the effectiveness of the application of potassium fertilizers at the rate of 100 kg ha-1 prepared from local raw materials in a background of nitrogen and phosphorus fertilizers at rates of 200 and 140 kg ha-1, respectively in cotton production under irrigated light sierozem and meadow-alluvial soils. As a result of the research, it was determined that application of local potassium fertilizers at the rate of 50 kg ha-1 during the plowing of the soil and 50 kg ha-1 during the budding phase was optimal. In this case, a positive effect was observed on the change in the content of exchangeable potassium in the soil and an increase in seed cotton yield by 0.59-0.25 t ha-1 due to the better uptake of the plant.
Irrigated light sierozem and meadow-alluvial soils, nitrogen, phosphorus, potassium, application timing, exchangeable potassium content in the soil, seed cotton yieldорошаемые светлые сероземы и лугово-аллювиальные почвы, азот, фосфор, калий, сроки внесения, содержание обменного калия в почве, урожай хлопка-сырцаsug‘oriladigan och tusli bo‘z va o‘tloqi-allyuvial tuproqlar, azot, fosfor, kaliy, qo‘llash muddatlari, tuproqdagi almashinuvchi kaliy miqdorlari, paxta hosili
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