Marginal effect 第1页

Plot Area and Yield Estimation Methods Adopted in the Standardized Field Experimental Design for Forage Yield Measurement Marginal effect of soybean and peanut intercropped withmaize in upland red soils Simulation on Marginal Effect of Rice Experimental Plot THE SPATIAL DISTRIBUTION OF THE ECOLOGICAL FIELD IN SPRING WHEAT COLONY UNDER SEMI-ARID ECOLOGICAL CONDITIONS Research on the marginal effect of wheat experimental plot