The soil available phosphate was lower than that of wheat-corn rotation land, but higher than that of vegetable land and spring abandoned land. secondly, during the edible fungi growing in field, t…
土壤速效磷含量低于小麦—玉米地，但较菜园地及春闲地高得多，木耳在田间生长期间，菌块附近土壤的各种养分含量成倍增加。
The four crops grown in rotation are corn, soybean, wheat, and alfalfa, with one crop grown each year during the 4-year cycle.
轮作的四种作物是玉米、大豆、小麦和苜蓿，四年内每年种植一种作物。
The location tests of different blend ratio between controlled-release urea and conventional urea in wheat-corn crop rotation system in Xinpo Village Zhumadian city are studied.
在驻马店新坡村进行了小麦一玉米轮作制下的控释尿素与普通尿素掺混比例定位试验研究。
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