Sometimes some of the fruit will be be misshaped due to damage or partial pollination. It is good to remove these fruits. Do not dig deep around a growing plant. These squash have immense root system that you not wish to disturb. Keep the top 3-4 cm loose and weed free either by cultivation or mulching. This variety send down additional roots at each leaf node. Assist them by pulling a little soil over the vine where they appear. A balanced fertilizer (1-1-1 NPK) watered in may help if soil is lacking in nutrients. Chicken manure has a high N ration and grows vine at the expense of fruit development. so use judiciously or not at all. Compost is fine as a top dressing.