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- Pant, Pawan Kumar; Ram, Shri; Singh, Veer
- Agricultural research 2017 v.6 no.4 pp. 399-409
- NPK fertilizers, etc ; Hapludolls; animal manures; continuous cropping; correlation; fertilizer application; grain yield; hydraulic conductivity; mineral fertilizers; pH; phosphorus pentoxide; physical properties; rice; soil organic carbon; wheat; zinc; Show all 16 Subjects
- ... Effect of long-term application of fertilizer NPK alone or in combination with farmyard manure (FYM) to an annual rice–wheat cropping system (initiated in 1971) on a typic Hapludoll soil was studied on the physical and chemical properties as well as soil organic carbon fractions. Results revealed that continuous cropping of rice–wheat over the period of 42 cycles without NPK fertilizers reduced gr ...