旱地小麥休閑期深翻蓄水及播種技術(shù)的研究
【文章頁(yè)數(shù)】:52 頁(yè)
【學(xué)位級(jí)別】:碩士
【部分圖文】:
圖3可見(jiàn),隨土層深度的增加,拔節(jié)期土壤蓄水量呈?
圖2不同播種方式配套播量對(duì)越冬期0—300?cm各土層土壤蓄水量的影響??Fig.?2?Effect?of?different?sowing?method?and?sowing?quantities?on?soil?water?storage??in?different?soil....
圖4可見(jiàn),隨土層深度的增加,開(kāi)花期土壤蓄水量呈先降低后升高的變化趨勢(shì),??
圖3不同播種方式配套播量對(duì)拔節(jié)期0—300?cm各土層土壤蓄水量的影Fig.?3?Effect?of?different?sowing?method?and?sowing?quantities?on?soil?water?stin?different?soil?layers?at....
圖4不同播種方式配套播量對(duì)開(kāi)花期0—300?cm各土層土壤蓄水量的影
Fig.?3?Effect?of?different?sowing?method?and?sowing?quantities?on?soil?water?storage??in?different?soil?layers?at?the?Jointing?stage??由圖4可見(jiàn),....
圖8可見(jiàn),休閑期深翻后,拔節(jié)期0—300?cm?土壤蓄水量呈先降低后升高的趨勢(shì),??
.in?different?soil?layers?at?the?stages?of?elongation?stage??由圖8可見(jiàn),休閑期深翻后,拔節(jié)期0—300?cm?土壤蓄水量呈先降低后升高的趨勢(shì),??且在140—160cm處最低。相同播量處理,膜際條播較條播、溝播提高了?....
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