共 10 条
[5]
Effects of NPK Fertilizer Combinations on Yield and Nitrogen Balance in Sorghum or Pigeonpea on a Vertisol in the Semi-Arid Tropics. Katsuyuki Katayama,Osamu Ito,Joseph Jackson Adu-Gyamfi,et al. Soil Science and Plant Nutrition . 1999
[6]
Fertilizer requirements for specific yield targets of soybean based on soil testing in alfisols. Prasad R,Prasad B. Journal of the Indian Society of Soil Science . 1996