Subjects: | QUANTITATIVE ANALYSIS,
AGRICULTURAL ECONOMICS,
SOIL FERTILITY,
SOIL SURVEYS,
METHODS,
PRODUCTION FACTORS,
YIELDS,
WHEATS,
MAIZE,
SOIL CLASSIFICATION,
IRRIGATION,
FERTILIZERS,
TRIAL METHODS,
APPLICATION RATES,
SOIL TYPES,
SOIL ANALYSIS,
CLIMATE,
GENOTYPES,
SOIL MANAGEMENT,
STATISTICAL METHODS,
WATER BALANCE,
PLANT SOIL RELATIONS,
ANALYSE QUANTITATIVE,
ECONOMIE AGRICOLE,
FERTILITE DU SOL,
ENQUETE PEDOLOGIQUE,
ANALISIS CUANTITATIVO,
ECONOMIA AGRICOLA,
FERTILIDAD DEL SUELO,
RECONOCIMIENTO DE SUELOS,
METHODE,
FACTEUR DE PRODUCTION,
RENDEMENT,
BLE,
MAIS,
CLASSIFICATION DES SOLS,
ENGRAIS,
METHODE D'ESSAI,
DOSE D'APPLICATION,
TYPE DE SOL,
ANALYSE DE SOL,
CLIMAT,
GENOTYPE,
GESTION DU SOL,
METHODE STATISTIQUE,
BILAN HYDRIQUE,
RELATION PLANTE SOL,
METODOS,
FACTORES DE PRODUCCION,
RENDIMIENTO,
TRIGO,
MAIZ,
CLASIFICACION DE SUELOS,
RIEGO,
ABONOS,
METODOS DE ENSAYO,
DOSIS DE APLICACION,
TIPOS DE SUELOS,
ANALISIS DEL SUELO,
CLIMA,
GENOTIPOS,
MANEJO DEL SUELO,
METODOS ESTADISTICOS,
BALANCE HIDRICO,
RELACIONES PLANTA SUELO, |