continuous cropping obstacles 第1页

Effects of different application rates of calcium cyanamide on soil microbial biomass and enzyme activity in cucumber continuous cropping. Study on metagenomics and genuine traditional Chinese medicinal materials Effect of different rotation patterns on soil microbial population and physiochemical properties under gravel-sand mulched field conditions Effect of continuous cropping of sesame on rhizospheric microbial communities Effects of an endophytic fungus on decay of peanut residues and phenolic acid concentrations in soil Obstacles of soybean continuous cropping Ⅱ Mechanism of soybean yield decline and control strategies for toxin of Penicillium purpurogenum in soils Dynamic change of phenolic acids in soils around rhizosphere of  replanted Rehmannia glutinosa Influence of continuous cropping years on yield and active compounds in Salvia miltiorrhiza f. alba