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AB - The rapidly increasing population and associated quest for food and feed in Chinahas ledto increased soil cultivation and nitrogen ( N ) fertilizer use
to adjust the proportion of nitrogen , phosphorus , potassium and trace elementsto composefertilizer according to the law of crop fertilizer demand , soil test results and fertilizer utilization rate
a simple modeldesignedto predict relative pasture yield as a function of soil and fertilizer phosphorus
The purpose of the research isto discoverthe influence of carbamide ( urea fertilizer ) and cow manure fertilizer levels on the growth of corn production on regosol dry land
breaking the soil up finely was more important than fertilizer several companies early 19th century : make fertilizer from bone meal in the 1830s Justus von Liebig in Germanydiscoveredthe importance of nitrogen in fertilizer and soil and fertilizer analysis
has , in turn , eliminated natural vegetationleadingto soil erosion and the use of fertilizer for crop growth
where the nutrients in the waste is recycledto createmanure and fertilizer for agriculture , improving soil productivity for small - scale farmers
the families : learnto createfertilizer and compost manure , leading to increased crop yields
The main factorscontributingto worsening the situation of dryland agriculture Long - Term Effect of Manure and Fertilizer on Soil Organic Carbon Pools in Dryland Farming in Northwest China
to enhance soil health , nutrient availability and fertilizer performance(passive) are designedCrop ProtectionHelena Launches Products to Enhance Soil Health , Fertilizer PerformanceMay 8 , 2015Receptor and MicroMerge 55441SP
the yield of ratoon crop obtained(passive) was influenced bythe yield of ratoon crop obtained
to an increase in crop growthhas ledto an increase in crop growth
to increased food productionhas contributedto increased food production
to increase the crude ash contentledto increase the crude ash content
to this greenhouse gascontributeto this greenhouse gas
Nutrient loadings from agricultural sources(passive) are caused byNutrient loadings from agricultural sources
the weight of 100 seeds of sunflower plantsinfluencedthe weight of 100 seeds of sunflower plants
scientists to a better understanding of the effects of management practices on the environmentledscientists to a better understanding of the effects of management practices on the environment
the vast majority of nitrate pollution(passive) to be caused bythe vast majority of nitrate pollution
green slime blooms across the countryis causinggreen slime blooms across the country