Interaction effect of sulphur and phosphorus on growth and nutrient content of black gram (Phaseolus mungo L.)
2004
Singh, Y.P. | Singh, R., Central Soil Salinity Research Institute, Lucknow (India). Regional Research Stn.)
Sulphur-phosphorus interaction has been studied in field experiments on a soil, deficient in S and medium in P with black gram (Phaseolus mungo) as the test crop. The treatments were taken in factorial combination of three levels of S (0, 30, and 60 kg ha.l) and four levels of P (0, 30, 60 and 90 kg ha-I) applied through gypsum (CaS04.2HzO) and triple superphosphate, respectively. A uniform dose of N was applied with the treatments. The grain, straw and total dry matter yield increased with the application of Sand P individually, but decreased when Sand P were applied in different combinations. Sulphur application increased S and P content in seed as well as in straw. Total P content increased with applied P and decreased with S application. Applied S increased and P decreased the protein content in grains. Changes in N:S ratio in grain were affected by Sand P application. The antagonistic effect of Sand P fertilizers on uptake and utilization of each other was more conspicuous when both were applied together.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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