Abstract

Agricultural development has gone through a long time. According to the efficiency
plant use nature resources, the whole process of agricultural development can be divided into three
stages: Low level development stage or primitive agriculture, Level improvement stage and new
stage of agriculture high-quality development. Theory foundations of Agriculture high-quality
development are natural resources use limit by plants, Vegetation carrying capacity and the critical
period of plant resources relation regulation and the method of Agriculture High-quality
development is to select excellent tree species or varieties, take appropriate initial plant density
and take effective measures to ensure plant grow well and get the cultivated goal, maximum yield
and benefit